{"id":50612,"date":"2023-04-17T12:00:11","date_gmt":"2022-12-26T10:09:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%95%b0%e6%8d%ae%e5%ba%93%e5%85%a5%e9%97%a8%ef%bc%88%e6%9e%b6%e6%9e%84%e5%92%8c%e5%88%86%e5%b8%83%e5%bc%8f%e7%9a%84%e6%a6%82%e8%bf%b0%ef%bc%89\/"},"modified":"2024-04-29T23:55:58","modified_gmt":"2024-04-29T15:55:58","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e5%85%a5%e9%97%a8%ef%bc%88%e6%9e%b6%e6%9e%84%e5%92%8c%e5%88%86%e5%b8%83%e5%bc%8f%e7%9a%84%e6%a6%82%e8%bf%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%95%b0%e6%8d%ae%e5%ba%93%e5%85%a5%e9%97%a8%ef%bc%88%e6%9e%b6%e6%9e%84%e5%92%8c%e5%88%86%e5%b8%83%e5%bc%8f%e7%9a%84%e6%a6%82%e8%bf%b0%ef%bc%89\/","title":{"rendered":"\u6570\u636e\u5e93\u5165\u95e8\uff08\u67b6\u6784\u548c\u5206\u5e03\u5f0f\u7684\u6982\u8ff0\uff09"},"content":{"rendered":"<h1>0. \u6570\u636e\u6a21\u578b<\/h1>\n<h2>0-2. \u6570\u636e\u6a21\u578b\u662f\u6307<\/h2>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u306f\u3001\u591a\u304f\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u591a\u304f\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5e7e\u3064\u3082\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u7a4d\u307f\u91cd\u306d\u3066\u3044\u304f\u3053\u3068\u306b\u3088\u3063\u3066\u8868\u73fe\u3055\u308c\u308b\u3002<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u5c42\u9762\u4e0a\uff0c\u6a21\u578b\u5316\u73b0\u5b9e\u4e16\u754c\uff08\u5305\u62ec\u4eba\u3001\u7ec4\u7ec7\u3001\u7269\u4f53\u3001\u884c\u4e3a\u3001\u8d27\u5e01\u6d41\u52a8\u7b49\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>1. \u7528\u4e8e\u5b58\u50a8\u7b2c\u4e00\u5c42\u6570\u636e\u7ed3\u6784\u7684\u901a\u7528\u6570\u636e\u6a21\u578b\uff0c\u53ef\u4ee5\u662fJSON\u6216XML\u6587\u6863\uff0c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u8868\u6216\u56fe\u6a21\u578b\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>2. \u5c06\u7b2c\u4e8c\u5c42\u6570\u636e\u8868\u793a\u4e3a\u5728\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u7edc\u4e0a\u7684\u5b57\u8282\u5e8f\u5217\u6a21\u578b\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4ee5\u5404\u79cd\u65b9\u5f0f\u8fdb\u884c\u6392\u961f\u3001\u641c\u7d22\u3001\u64cd\u4f5c\u548c\u5904\u7406\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>3. \u7528\u7535\u6d41\u3001\u5149\u8109\u51b2\u3001\u7535\u78c1\u7b49\u65b9\u5f0f\u8868\u793a\u5b57\u8282\u5e8f\u5217\u7684\u6a21\u578b\u3002<\/ol>\n<h2>0-2. \u901a\u7528\u6570\u636e\u6a21\u578b\u7528\u4e8e\u6570\u636e\u5b58\u50a8\u548c\u67e5\u8be2<\/h2>\n<h3>0-2-1. \u5173\u7cfb\u6570\u636e\u6a21\u578b<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u3092\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\uff08SQL\u306b\u304a\u3051\u308b\u30c6\u30fc\u30d6\u30eb\uff09\u3067\u69cb\u6210\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u9806\u5e8f\u306a\u3057\u306e\u30bf\u30d7\u30eb\uff08SQL\u306b\u304a\u3051\u308b\u884c\uff09\u306e\u96c6\u5408\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30c7\u30fc\u30bf\u306e\u51e6\u7406(\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u3084\u30d0\u30c3\u30c1\u51e6\u7406)\u3092\u8d77\u6e90\u3068\u3057\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3088\u3063\u3066\u80cc\u5f8c\u306e\u5b9f\u88c5\u306e\u8a73\u7d30\u3092\u96a0\u853d\u3059\u308b\u3053\u3068\u3092\u76ee\u6a19\u3068\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4e0a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30c6\u30fc\u30d6\u30eb\u4e0a\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u9593\u306b\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30df\u30b9\u30de\u30c3\u30c1 \u304c\u751f\u3058\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b9\u30ad\u30fc\u30de\u30aa\u30f3\u30e9\u30a4\u30c8\uff08\u30b9\u30ad\u30fc\u30de\u306f\u660e\u793a\u3055\u308c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u66f8\u304d\u8fbc\u307e\u308c\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c\u305d\u306e\u30b9\u30ad\u30fc\u30de\u306b\u5f93\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\uff09\u3002<\/ul>\n<h3>0-2-2. \u6587\u6863\u6a21\u578b<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">NoSQL\uff08Not Only SQL\uff09\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5e83\u307e\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3068\u6bd4\u8f03\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3064\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u5de8\u5927\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3084\u66f8\u304d\u8fbc\u307f\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u542b\u3080\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3002<br \/>\n\u30b9\u30ad\u30fc\u30de\u306e\u5236\u7d04\u304c\u306a\u304f\u3001\u52d5\u7684\u3067\u8868\u73fe\u529b\u306b\u5bcc\u3080\u3002<\/p>\n<p>\u30b9\u30ad\u30fc\u30de\u30aa\u30f3\u30ea\u30fc\u30c9\uff08\u30c7\u30fc\u30bf\u306e\u69cb\u9020\u306f\u6697\u9ed9\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u6642\u306b\u306e\u307f\u89e3\u91c8\u3055\u308c\u308b\u3002\u203b \u30b9\u30ad\u30fc\u30de\u30ec\u30b9\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\uff09\u3002<\/p>\n<h3>0-2-3. JSON (JavaScript Object Notation)\u7684\u542b\u4e49\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u307b\u307c\u305d\u308c\u81ea\u4f53\u3067\u5b8c\u7d50\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3042\u308b\u5c65\u6b74\u66f8\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u306f\u3001JSON\u304c\u9069\u3057\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>MongoDB\u3001RethinkDB\u306a\u3069\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3053\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002<br \/>\nMySQL\u3001PostgreSQL\u306a\u3069\u3067\u3082\u3001JSON\u578b\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n<h4>\u4f18\u70b9<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30ad\u30fc\u30de\u304c\u67d4\u8edf\u3067\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ed\u30fc\u30ab\u30ea\u30c6\u30a3\u306b\u512a\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u8907\u6570\u306e\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u304b\u3001\u8907\u6570\u306e\u7d50\u5408\u3092\u3057\u305f\u4e0a\u3067\u306e\u30af\u30a8\u30ea\u304c\u5fc5\u8981\u306a\u5834\u5408\u3067\u3082\u3001JSON\u3067\u3042\u308c\u3070\uff08\u3059\u3079\u3066\u306e\u60c5\u5831\u304c1\u7b87\u6240\u306b\u96c6\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3001\uff091\u5ea6\u306e\u30af\u30a8\u30ea\u3060\u3051\u3067\u5341\u5206\u306b\u306a\u308b\u3002<br \/>\n\u4e00\u5ea6\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u5927\u90e8\u5206\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u306b\u30e1\u30ea\u30c3\u30c8\u306b\u306a\u308b\u3002<\/p>\n<h4>\u7f3a\u70b9<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JSON\u3067\u306f1\u5bfe\u591a\u306e\u30c4\u30ea\u30fc\u69cb\u9020\u306b\u306f\u7d50\u5408\u304c\u5fc5\u8981\u306a\u3044\u3053\u3068\u304b\u3089\u3001\u591a\u304f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u7d50\u5408\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u5f31\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u304f\u306b\u3064\u308c\u3066\u7d50\u5408\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u7d50\u5408\u306e\u51e6\u7406\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u5fc5\u8981\u306b\u306a\u308a\u3001\u591a\u5bfe\u591a\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u591a\u304f\u767a\u751f\u3059\u308b\u5834\u5408\u306b\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30fc\u30c9\u304c\u8907\u96d1\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u975e\u6b63\u898f\u5316\uff08\u30c7\u30fc\u30bf\u3092\u8907\u88fd\uff09\u3059\u308b\u304b\u3001\u3042\u308b\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u4ed6\u306e\u30ec\u30b3\u30fc\u30c9\u3078\u306e\u53c2\u7167\u3092\u81ea\u5206\u3067\u8fbf\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h1>\u8003\u8651\u5173\u4e8e\u5355\u4e00\u6570\u636e\u5e93<\/h1>\n<h2>1-1. \u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08DBMS\uff09\u67b6\u6784\u7684\u6574\u4f53\u6982\u89c8<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d92af913a08637a6e3a1f\/17-0.png\" alt=\"001.png\" \/><\/div>\n<h2>1-2. \u67e5\u8be2\u5904\u7406\u5668\uff08\u67e5\u8be2\u8bc4\u4f30\u5f15\u64ce\uff09<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d92af913a08637a6e3a1f\/19-0.jpeg\" alt=\"TH770_001.jpg\" \/><\/div>\n<p>\u4ece\u5ba2\u6237\u7aef\uff08\u5982\u5e94\u7528\u7a0b\u5e8f\u548cSQL\u63a5\u53e3\uff09\u7f16\u5199\u548c\u6267\u884cSQL\u5f00\u59cb\uff0c\u7136\u540e\u4f20\u8f93\u7ed9DBMS\u3002<\/p>\n<h4>\u89e3\u6790\u5668<\/h4>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u89e3\u6790\u5668\u68c0\u67e5\u63a5\u6536\u5230\u7684SQL\u67e5\u8be2\u662f\u5426\u7b26\u5408\u8bed\u6cd5\u6b63\u786e\u3002<\/p>\n<h4>\u4f18\u5316\u5668<\/h4>\n<p>\u7136\u540e\uff0c\u4f18\u5316\u5668\u4f1a\u67e5\u770b\u7531\u76ee\u5f55\u7ba1\u7406\u5668\u7ba1\u7406\u7684\u8868\u548c\u7d22\u5f15\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u5728\u751f\u6210\u8ba1\u5212\u5e76\u8bc4\u4f30\u6210\u672c\u540e\uff0c\u9009\u62e9\u6700\u4f4e\u6210\u672c\u7684\u4e00\u4e2a\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<p>\u5f53\u6267\u884cEXPLAIN\u8bed\u53e5\u65f6\uff0c\u53ef\u4ee5\u67e5\u770b\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<h4>\u8ba1\u5212\u8bc4\u4f30<\/h4>\n<p>\u5728\u8ba1\u5212\u8bc4\u4f30\u4e2d\uff0c\u63a5\u6536\u6267\u884c\u8ba1\u5212\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u53ef\u6267\u884c\u7684\u4ee3\u7801\u8fdb\u884c\u5b9e\u9645\u6267\u884c\u3002<\/p>\n<h2>1-3. \u5b58\u50a8\u5f15\u64ce\uff08\u6570\u636e\u5e93\u5f15\u64ce\uff09<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u51e6\u7406\uff08\u66f8\u304d\u8fbc\u307f\u3068\u8aad\u307f\u51fa\u3057\uff09\u3092\u884c\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u65b9\u6cd5\u3001\u4fdd\u5b58\u65b9\u6cd5\u3001\u51e6\u7406\u65b9\u6cd5\u304c\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002<br \/>\n\u540c\u6642\u5b9f\u884c\u5236\u5fa1\u3068\u3044\u3046\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30de\u30cd\u30fc\u30b8\u30e3\u3084\u30ed\u30c3\u30af\u30de\u30cd\u30fc\u30b8\u30e3\u306e\u6a5f\u80fd\u3092\u542b\u3080\u3002<\/p>\n<p>MySQL\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306b\u306f\u3001MyISAM\uff085.5\u672a\u6e80\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u3001InnoDB\uff085.5\u4ee5\u964d\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u306a\u3069\u304c\u3042\u308b\u3002<br \/>\n\u203b MyISAM\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u975e\u5bfe\u5fdc\u3067\u3042\u3063\u305f\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u5358\u4f4d\u3067\u30ed\u30c3\u30af\u3092\u884c\u3046\u305f\u3081\u66f4\u65b0\u306b\u4e0d\u5411\u304d\u306a\u3069\u306e\u554f\u984c\u304c\u3042\u3063\u305f\u4e00\u65b9\u3067\u3001InnoDB\u3067\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5bfe\u5fdc\u3068\u884c\u30ed\u30c3\u30af\u304c\u5099\u308f\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>\u7b2c13\u7ae0\uff1a\u67e5\u8be2\u5904\u7406\u5668 \u67e5\u8be2\u5904\u7406\u5668\u7684\u5b9a\u4e49 &#8211; SQL Server 7.0 \u8d44\u6e90\u5305<br \/>\n\u7b2c\u4e00\u8bb2\uff1aMySQL\u5b58\u50a8\u5f15\u64ce\u6982\u8ff0 &#8211; ThinkIT<br \/>\n\u5173\u4e8eMySQL\u5b58\u50a8\u5f15\u64ce &#8211; Qiita<\/p>\n<h2>\u5229\u7528\u7528\u9014\u89d2\u5ea6\u4e0b\u7684\u6570\u636e\u5e93\uff08\u5b58\u50a8\u5f15\u64ce\uff09\u79cd\u7c7b\u4e3a1-4\u3002<\/h2>\n<h4>OLTP\uff08\u5728\u7ebf\u4e8b\u52a1\u5904\u7406\u7cfb\u7edf\uff09<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u6700\u9069\u5316\u3055\u308c\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e00\u822c\u7684\u306b\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3002\u30ec\u30b3\u30fc\u30c9\u306e\u633f\u5165\u3084\u66f4\u65b0\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u306b\u57fa\u3065\u3044\u3066\u884c\u308f\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u3092\u884c\u3046\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>B-Tree, Hash index, SSTable\uff08Sorted String Table\uff09<\/p>\n<p>\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u3068\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u66f8\u304d\u8fbc\u307f\u304c\u6c42\u3081\u3089\u308c\u308b\u3002<\/p>\n<h4>\u8054\u673a\u5206\u6790\u5904\u7406\uff08OLAP\uff09\uff0c\u4ea6\u79f0\u5728\u7ebf\u5206\u6790\u5904\u7406\u7cfb\u7edf\uff08Online Analytic Processing\/\u30aa\u30f3\u30e9\u30a4\u30f3\u5206\u6790\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\uff09\u3002<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5206\u6790\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u6700\u9069\u5316\u3055\u308c\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5206\u6790\u76ee\u7684\u3067\u4f7f\u308f\u308c\u3001\u7d50\u679c\u304c\u30d3\u30b8\u30cd\u30b9\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\uff08BI\uff09\u306e\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3002\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8ca0\u8377\u304c\u9ad8\u304f\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5927\u90e8\u5206\u3092\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u3088\u3046\u306a\u3001\u30a2\u30c9\u30db\u30c3\u30af\u306a\uff08\u7279\u5b9a\u306e\uff09\u5206\u6790\u30af\u30a8\u30ea\u304c\u30ea\u30fc\u30c9\u30aa\u30f3\u30ea\u30fc\u3067\u5b9f\u884c\u3055\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">OLTP\u306e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306e\u30b3\u30d4\u30fc\u304c\u3001\u5b9a\u671f\u7684\u306a\u30c7\u30fc\u30bf\u30c0\u30f3\u30d7\u3084\u9023\u7d9a\u7684\u306a\u66f4\u65b0\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u3088\u3063\u3066\u66f8\u304d\u8fbc\u307e\u308c\u308b\u3002<\/ul>\n<h2>1-5. \u7d22\u5f15<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u7279\u5b9a\u306e\u30ad\u30fc\u306e\u5024\u3092\u52b9\u7387\u7684\u306b\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3046\u307e\u304f\u9078\u629e\u3059\u308c\u3070\u3001\u8aad\u307f\u51fa\u3057\u306e\u30af\u30a8\u30ea\u3092\u9ad8\u901f\u306b\u3057\u3066\u304f\u308c\u308b\u304c\u3001\u3042\u3089\u3086\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u66f8\u304d\u8fbc\u307f\u3092\u4f4e\u901f\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u305d\u306e\u305f\u3081\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5168\u3066\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u3064\u3051\u308b\u3088\u3046\u306a\u3053\u3068\u306f\u3057\u306a\u3044\u3002<\/p>\n<p>OLTP\u306f\u3001\u9078\u629e\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u306b\u95a2\u3057\u30662\u3064\u306e\u8003\u3048\u65b9\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306b\u5206\u304b\u308c\u308b\u3002<\/p>\n<p>log-structured\u3068\u30da\u30fc\u30b8\u6307\u5411\uff08B\u30c4\u30ea\u30fc\uff09<\/p>\n<h3>\u65e5\u5fd7\u7ed3\u6784\u5316<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6bd4\u8f03\u7684\u6700\u8fd1\u958b\u767a\u3055\u308c\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u8ffd\u8a18\u3068\u53e4\u304f\u306a\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u524a\u9664\u3060\u3051\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u4e00\u5ea6\u66f8\u304b\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306f\u6c7a\u3057\u3066\u66f4\u65b0\u3055\u308c\u306a\u3044\uff08\u30ec\u30b3\u30fc\u30c9\u306e\u8ffd\u52a0\u3068\u30b3\u30f3\u30d1\u30af\u30b7\u30e7\u30f3\u64cd\u4f5c\u306e\u5206\u96e2\uff09\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u66f4\u65b0\u6642\u306e\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u3092\u6e1b\u3089\u305b\u308b\u4e00\u65b9\u3067\u3001\u66f8\u304d\u8fbc\u307f\u306e\u5897\u5e45\u304c\u751f\u3058\u308b\u306a\u3069\u306e\u7279\u5fb4\u304c\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4f8b\uff1aSSSTable\uff08Sorted String Table\uff09\u3001LSM\uff08Log-Structured Merge\uff09\u30c4\u30ea\u30fc\u3001Cassandra\u3001Lucene\u7b49<\/ul>\n<h3>B\u6811<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">RDBMS\u3067\u306f\u3001\u57fa\u672cCREATE INDEX\u547d\u4ee4\u3092\u5b9f\u884c\u3059\u308b\u3068B-Tree\u304c1\u500b\u4f5c\u3089\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u30ad\u30fc\u3067\u30bd\u30fc\u30c8\u3055\u308c\u305f\u72b6\u614b\u3067\u4fdd\u6301\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ad\u30fc\u3068\u5024\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3084\u7bc4\u56f2\u306b\u5bfe\u3059\u308b\u30af\u30a8\u30ea\u3092\u52b9\u7387\u3088\u304f\u51e6\u7406\u3067\u304d\u308b\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\uff08\u30e1\u30e2\u30ea\u4e0a\u3067\u306f\u306a\u304f\uff09\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u30da\u30fc\u30b8\u306b\u5206\u5272\u3059\u308b\u3002<\/p>\n<p>\uff11\u3064\u306e\u30da\u30fc\u30b8\u306f\u4e00\u5ea6\u306b\u8aad\u307f\u66f8\u304d\u3055\u308c\u3001\u5404\u30da\u30fc\u30b8\u306f\u30a2\u30c9\u30ec\u30b9\u3042\u308b\u3044\u306f\u5834\u6240\u306b\u3088\u3063\u3066\u8b58\u5225\u3067\u304d\u308b\u306e\u3067\u3001\u3042\u308b\u30da\u30fc\u30b8\u304b\u3089\u4ed6\u306e\u30da\u30fc\u30b8\u3092\u53c2\u7167\u3067\u304d\u308b\uff08\u30dd\u30a4\u30f3\u30bf\u306b\u4f3c\u3066\u3044\u308b\uff09\u3002<\/p>\n<p>\u3053\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u30c4\u30ea\u30fc\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u4fdd\u305f\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u306e\u3067\u3001n\u3053\u306e\u30ad\u30fc\u3092\u6301\u3064B\u30c4\u30ea\u30fc\u306e\u6df1\u3055\u306f\u5e38\u306bO\uff08log n\uff09\u306b\u306a\u308b\u3002<br \/>\n\u30da\u30fc\u30b8\u6570\u304c\u5897\u3048\u3066\u3082\u6728\u306e\u9ad8\u3055\u304c\u3042\u307e\u308a\u5897\u3048\u306a\u3044\uff08\u6df1\u304f\u306a\u3089\u306a\u3044\uff09\u306e\u3067\u3001\u30c7\u30a3\u30b9\u30af\u3078\u306e\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u306e\u56de\u6570\u3092\u6e1b\u3089\u3059\u306e\u306b\u5f79\u7acb\u3064\u3002<br \/>\n\u4f8b\uff1aMySQL\u3001PostgreSQL\u306a\u3069\u306eRDB\u7b49<\/p>\n<h2>1-6. \u4ea4\u6613<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u82b1\u5f62\u6280\u8853\u3067\u3042\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u8907\u6570\u306e\u8aad\u307f\u66f8\u304d\u3092\u4e00\u3064\u306e\u8ad6\u7406\u7684\u306a\u5358\u4f4d\u3068\u3057\u3066\u307e\u3068\u3081\u308b\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u6210\u529f\uff08\u30b3\u30df\u30c3\u30c8\/commit\uff09\u3082\u3057\u304f\u306f\u5931\u6557\uff08\u4e2d\u65ad\/abort\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\/rollback\uff09\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u6e80\u305f\u3059\u3079\u304d\u6027\u8cea\u3001\u5b89\u5168\u6027\u306e\u4fdd\u8a3c\u3092\u793a\u3059\u8a9e\u3068\u3057\u3066\u3001ACID \u304c\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u6642\u3001\u3069\u306e\u3088\u3046\u306a\u30ec\u30d9\u30eb\u3067\u305d\u308c\u305e\u308c\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5206\u96e2\u3059\u308b\u306e\u304b\uff08\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\uff09\u3092\u9078\u629e\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u305d\u308c\u305e\u308c\u306e\u5206\u96e2\u30ec\u30d9\u30eb\u3067\u3002\u3069\u306e\u3088\u3046\u306a\u7570\u5e38\u72b6\u614b\uff08Anomaly\u3001\u3042\u308b\u3044\u306f\u7af6\u5408\u72b6\u614b\/race-condition\uff09 \u304c\u767a\u751f\u3059\u308b\u304b\u3001\u3044\u304f\u3064\u304b\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u5b58\u5728\u3059\u308b\u3002<\/p>\n<h3>\u9178<\/h3>\n<ul class=\"post-ul\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u6e80\u305f\u3059\u3079\u304d\u6027\u8cea\u3001\u5b89\u5168\u6027\u306e\u4fdd\u8a3c\u3092\u793a\u3059\u8a9e\u3002<\/ul>\n<p>\u7531\u4e8e\u6bcf\u4e2a\u6570\u636e\u5e93\u5b9e\u73b0ACID\u7684\u65b9\u5f0f\u4e0d\u540c\uff0c\u56e0\u6b64\u65e0\u6cd5\u786e\u5b9a\u5b9e\u9645\u53ef\u4ee5\u671f\u671b\u4ec0\u4e48\u6837\u7684\u4fdd\u969c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Atomicity\uff08\u539f\u5b50\u6027\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>\u4e2d\u9014\u534a\u7aef\u306a\u7d50\u679c\u306b\u306a\u3089\u306a\u3044\u3053\u3068\u3002<\/p>\n<p>\u30a8\u30e9\u30fc\u306e\u969b\u306b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4e2d\u65ad\u3057\u3001\u305d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u3059\u3079\u3066\u306e\u66f8\u304d\u8fbc\u307f\u3092\u7834\u68c4\u3067\u304d\u308b\u3002<\/p>\n<p>Consistency\uff08\u4e00\u8cab\u6027\uff09<\/p>\n<p>\u5c11\u306a\u304f\u3068\u30824\u3064\u306e\u7570\u306a\u308b\u610f\u5473\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u30ec\u30d7\u30ea\u30ab\u306e\u4e00\u8cab\u6027\u3068\u3001\u975e\u540c\u671f\u306b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u884c\u3046\u30b7\u30b9\u30c6\u30e0\u3067\u751f\u3058\u308b\u7d50\u679c\u6574\u5408\u6027\u3002<br \/>\n\u30b3\u30f3\u30b7\u30b9\u30c6\u30f3\u30c8\u30cf\u30c3\u30b7\u30e5\u6cd5<br \/>\nCAP\u5b9a\u7406\u306b\u304a\u3051\u308b\u7dda\u5f62\u5316\u53ef\u80fd\u6027\u3002\u203b \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8868\u793a\u306e\uff08\u53e4\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u30ec\u30d7\u30ea\u30ab\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\uff09\u6700\u65b0\u6027\u306e\u4fdd\u8a3c\u306e\u3053\u3068\u3002<br \/>\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u300c\u826f\u3044\u72b6\u614b\u300d\u306b\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u6982\u5ff5\u3002<\/p>\n<p>Isolation\uff08\u5206\u96e2\u6027\uff09<\/p>\n<p>\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u304a\u4e92\u3044\u304b\u3089\u5206\u96e2\u3055\u308c\u3066\u304a\u308a\u3001\u7570\u5e38\uff08Anomaly\u3001race condition\uff09\u304c\u767a\u751f\u3057\u306a\u3044\u3053\u3068\u3002<br \/>\n\u53e4\u5178\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6559\u79d1\u66f8\u3067\u306f\u3001\u5206\u96e2\u6027\u306fSerializability\uff08\u76f4\u5217\u5316\u53ef\u80fd\u6027\uff09\u3092\u6307\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u76f4\u5217\u5316\u53ef\u80fd\u306a\u5206\u96e2\u6027\u304c\u7528\u3044\u3089\u308c\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3002<\/p>\n<p>Durability\uff08\u6c38\u7d9a\u6027\uff09<\/p>\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30b3\u30df\u30c3\u30c8\u304c\u6210\u529f\u3057\u305f\u3089\u3001\u4eee\u306b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u969c\u5bb3\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30e9\u30c3\u30b7\u30e5\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u66f8\u304d\u8fbc\u307e\u308c\u305f\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306f\u5931\u308f\u308c\u306a\u3044\u3053\u3068\u3092\u7d04\u675f\u3059\u308b\u3082\u306e\u3002<\/p>\n<h2>1-7. \u4e8b\u52a1\u9694\u79bb\u7ea7\u522b<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7c73\u56fd\u56fd\u5bb6\u898f\u683c\u5354\u4f1a\uff08ANSI\uff09\u306b\u3088\u3063\u3066\u5b9a\u3081\u3089\u308c\u305f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4fdd\u8a3c\u3059\u308bIsolation\uff08\u5206\u96e2\u6027\uff09\u306e4\u3064\u306e\u30ec\u30d9\u30eb\u306e\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>READ UNCOMMITTED<br \/>\nREAD COMMITTED<br \/>\nREPEATABLE READ<br \/>\nSERIALIZABLE<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a2\u30ce\u30de\u30ea\u30fc\u304c\u5b58\u5728\u3059\u308b\u3002<\/p>\n<p>Dirty Read<br \/>\nRead Skew<br \/>\nLost Update<br \/>\nNon-Repeatable Read<br \/>\nWrite Skew<br \/>\nPhantom Read<\/p>\n<p>\u4ee5\u4e0b\u662f\u53ef\u7528\u7684\u4e2d\u6587\u8bd1\u6587\u9009\u9879\uff1a<br \/>\n1. https:\/\/zenn.dev\/mpyw\/articles\/rdb-transaction-isolations<br \/>\n2. https:\/\/qiita.com\/kumagi\/items\/1dc1a91ec007365ac694<br \/>\n3. https:\/\/qiita.com\/kumagi\/items\/5ef5e404546736ebac49<br \/>\n4. https:\/\/qiita.com\/PruneMazui\/items\/4135fcf7621869726b4b<\/p>\n<h3>\u53ef\u4e32\u884c\u5316<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u304b\u3064\u3066\u306f\u57fa\u672c\u306e\u5206\u96e2\u30ec\u30d9\u30eb\u3060\u3063\u305f\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u306e\u4e2d\u3067\u6700\u3082\u5f37\u3044\u5206\u96e2\u30ec\u30d9\u30eb\u3068\u3055\u308c\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3001\u76f4\u5217\u3067\uff08\u9806\u756a\u306b\uff09\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u3068\u540c\u3058\u306b\u306a\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002= Anomaly\u304c\u3059\u3079\u3066\u767a\u751f\u3057\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>2PL\uff08\u30c4\u30fc\u30d5\u30a7\u30fc\u30ba\u30ed\u30c3\u30af\uff09 \u3068\u3044\u3046\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u308b\u3002<\/p>\n<h4>2PL\uff08\u4e8c\u9636\u6bb5\u9501\u5b9a\uff09<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2\u3064\u306e\u30d5\u30a7\u30fc\u30ba\u304c\u5b58\u5728\u3059\u308b\u30ed\u30c3\u30af\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u6700\u521d\u306e\u30d5\u30a7\u30fc\u30ba\uff08\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u4e2d\uff09\u3067\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3057\u30012\u756a\u76ee\u306e\u30d5\u30a7\u30fc\u30ba\uff08\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u6642\u70b9\uff09\u304c\u3059\u3079\u3066\u306e\u30ed\u30c3\u30af\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u3002<\/p>\n<p>\u5171\u6709\u30e2\u30fc\u30c9\u3068\u6392\u4ed6\u30e2\u30fc\u30c9\u306e2\u3064\u306e\u7a2e\u985e\u306e\u30ed\u30c3\u30af\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<br \/>\n\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u304c\u5bb9\u6613\u306b\u751f\u3058\u3001\u307e\u305f\u30ed\u30c3\u30af\u306e\u53d6\u5f97\u3068\u89e3\u653e\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u3042\u308b\u305f\u3081\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u3044\u3002<\/p>\n<h4>\u5171\u6709\u6a21\u5f0f<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u3092\u884c\u3046\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u307e\u305a\u5171\u6709\u30e2\u30fc\u30c9\u306e\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5171\u6709\u30e2\u30fc\u30c9\u306e\u30ed\u30c3\u30af\u306f\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u6642\u306b\u53d6\u5f97\u3067\u304d\u308b\u304c\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6392\u4ed6\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3057\u3066\u3044\u305f\u3089\u3001\u5171\u6709\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3059\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u305d\u306e\u6392\u4ed6\u30ed\u30c3\u30af\u306e\u89e3\u653e\u3092\u5f85\u305f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/ul>\n<h4>\u72ec\u5360\u6a21\u5f0f (d\u00fa m\u00f3 sh\u00ec)<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u307e\u305a\u6392\u4ed6\u30e2\u30fc\u30c9\u306e\u30ed\u30c3\u30af\u3092\u53d6\u5f97\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u6642\u306b\u540c\u3058\u30ed\u30c3\u30af\u3092\uff08\u5171\u6709\u30e2\u30fc\u30c9\u304b\u6392\u4ed6\u30e2\u30fc\u30c9\u304b\u306b\u95a2\u308f\u3089\u305a\uff09\u4fdd\u6301\u3059\u308b\u3053\u3068\u306f\u8a31\u3055\u308c\u305a\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30ed\u30c3\u30af\u304c\u3059\u3067\u306b\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u305d\u306e\u89e3\u653e\u3092\u5f85\u305f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/ul>\n<h4>\u50f5\u5c40<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30c3\u30af\u89e3\u653e\u3092\u5f85\u3061\u7d9a\u3051\u3001\u9006\u306b\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30c3\u30af\u89e3\u653e\u3092\u5f85\u3061\u7d9a\u3051\u3066\u3057\u307e\u3046\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u9593\u306e\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u3057\u3001\u3044\u305a\u308c\u304b\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4e2d\u65ad\u3055\u305b\u3066\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u51e6\u7406\u3092\u9032\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/ul>\n<h3>\u8bfb\u672a\u63d0\u4ea4<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dirty Write\u304c\u767a\u751f\u3057\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u66f8\u304d\u8fbc\u307f\u4e0d\u6574\u5408\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5909\u66f4\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<p>Dirty Read\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u8aad\u307f\u53d6\u308a\u4e0d\u6574\u5408\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5909\u66f4\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<p>\u57fa\u672c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u3044 \u3002<\/p>\n<h4>\u810f\u5199\u4f5c<\/h4>\n<ul class=\"post-ul\">\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u307f\u3001\u307e\u3060\u30b3\u30df\u30c3\u30c8\u306f\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u6642\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u306e\u66f8\u304d\u8fbc\u307f\u3067\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3002<\/ul>\n<p>\u5728\u5b9e\u9645\u60c5\u51b5\u4e0b\uff0c\u4e0d\u8bba\u5206\u79bb\u7ea7\u522b\u5982\u4f55\uff0c\u90fd\u4e0d\u4f1a\u53d1\u751f\u3002<\/p>\n<h4>\u810f\u8bfb<\/h4>\n<ul class=\"post-ul\">\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u307f\u3001\u307e\u3060\u30b3\u30df\u30c3\u30c8\u306f\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u6642\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u3067\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf\u3092\u898b\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3002<\/ul>\n<h3>\u9605\u8bfb\u63d0\u4ea4<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dirty Read \u3001Dirty Write \u304c\u767a\u751f\u3057\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u884c\u30ec\u30d9\u30eb\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<p>Non-Repeatable Read \u3001 Read Skew\uff08\u8aad\u307f\u53d6\u308a\u30b9\u30ad\u30e5\u30fc\uff09\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u8aad\u307f\u53d6\u308a\u4e0d\u6574\u5408\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u5909\u66f4\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<p>Lost Update\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u66f4\u65b0\u7af6\u5408\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u5909\u66f4\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<p>Oracle 11g\u3001PostgreSQL\u3001SQL Server 2012\u3001MemSQL\u7b49\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8a2d\u5b9a\u3002<\/p>\n<h4>\u884c\u7ea7\u9501<\/h4>\n<blockquote><p>\u5f53\u884c\u88ab\u66f4\u65b0\uff08\u6216\u6807\u8bb0\u4e3a\u5220\u9664\u3001\u66f4\u65b0\uff09\u65f6\uff0c\u5c06\u83b7\u5f97\u884c\u7ea7\u9501\u3002\u884c\u7ea7\u9501\u4e0d\u4f1a\u5bf9\u6570\u636e\u67e5\u8be2\u4ea7\u751f\u5f71\u54cd\uff0c\u4ec5\u963b\u6b62\u5bf9\u540c\u4e00\u884c\u7684\u5199\u5165\u3002<\/p><\/blockquote>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u4e00\u4e2a\u4e8b\u52a1\u66f4\u65b0\u4e00\u6761\u8bb0\u5f55\u65f6\uff0c\u8be5\u4e8b\u52a1\u4f1a\u83b7\u53d6\u8be5\u8bb0\u5f55\u7684\u9501\u3002\u8be5\u8bb0\u5f55\u7684\u9501\u4f1a\u88ab\u4fdd\u6301\uff0c\u76f4\u5230\u8be5\u4e8b\u52a1\u63d0\u4ea4\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u5176\u4ed6\u4e8b\u52a1\u8981\u66f4\u65b0\u8be5\u8bb0\u5f55\u65f6\uff0c\u5b83\u4eec\u5fc5\u987b\u7b49\u5f85\u4e00\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5f53\u4e00\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u540e\uff0c\u5176\u4ed6\u4e8b\u52a1\u53ef\u4ee5\u83b7\u53d6\u8be5\u8bb0\u5f55\u7684\u9501\u5e76\u7ee7\u7eed\u5904\u7406\u3002<\/ol>\n<p>&nbsp;<\/p>\n<h4>\u4e0d\u53ef\u91cd\u590d\u8bfb\u53d6\u3001\u8bfb\u53d6\u504f\u659c<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u30fb\u30b3\u30df\u30c3\u30c8\u3057\u305f\u6642\u3001\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u3067\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u898b\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u203b \u3082\u3046\u4e00\u5ea6\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u305f\u5834\u5408\u306f\u3001\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u3068\u8aad\u307f\u53d6\u308a\u6642\u3067\u4e0d\u6574\u5408\u306f\u767a\u751f\u3057\u306a\u3044\u3002<\/ul>\n<h4>\u9057\u5931\u66f4\u65b0\uff08Lost Update\uff09<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f55\u3089\u304b\u306e\u5024\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u8aad\u307f\u53d6\u308a\u3001\u305d\u306e\u5024\u3092\u5909\u66f4\u3057\u3066\u66f8\u304d\u623b\u3059\uff08read-modify-write\u30b5\u30a4\u30af\u30eb\uff09\u5834\u5408\u306b\u751f\u3058\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>2\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u4e26\u884c\u3057\u3066\u3053\u306e\u51e6\u7406\u3092\u884c\u3046\u3068\u30012\u3064\u76ee\u306e\u66f8\u304d\u8fbc\u307f\u306f1\u3064\u76ee\u306e\u5909\u66f4\u3092\u8e0f\u307e\u3048\u3066\u306f\u3044\u306a\u3044\u306e\u3067\u3001\u5909\u66f4\u306e1\u3064\u306f\u5931\u308f\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u3002<\/p>\n<p>\u660e\u793a\u7684\u306a\u30ed\u30c3\u30af\u3084\u3001cursor stability\uff08\u30ab\u30fc\u30bd\u30eb\u56fa\u5b9a\uff09\u306b\u3088\u3063\u3066\u5bfe\u7b56\u3055\u308c\u308b\u3002<\/p>\n<h5>\u5149\u6807\u7a33\u5b9a\u6027<\/h5>\n<ul class=\"post-ul\">\u5024\u306e\u8aad\u307f\u53d6\u308a\u306e\u969b\u306b\u6392\u4ed6\u30ed\u30c3\u30af\u3092\u53d6\u308a\u3001\u66f4\u65b0\u306e\u9069\u7528\u304c\u7d42\u308f\u308b\u307e\u3067\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u305d\u306e\u5024\u3092\u8aad\u3081\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u5b9f\u88c5\u3055\u308c\u308b\u3001\u30a2\u30c8\u30df\u30c3\u30af\u306a\u64cd\u4f5c\u306e\u3053\u3068\u3002<\/ul>\n<h5>\u660e\u786e\u9501\u5b9a\uff08SELECT ~ FOR UPDATE;\uff09<\/h5>\n<ul class=\"post-ul\">FOR UPDATE\u8aac\u306f\u3001\u30af\u30a8\u30ea\u304c\u8fd4\u3059\u3059\u3079\u3066\u306e\u884c\u306b\u5bfe\u3059\u308b\u30ed\u30c3\u30af\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u53d6\u5f97\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u3002<\/ul>\n<p>&nbsp;<\/p>\n<h3>\u53ef\u91cd\u590d\u8bfb \/ \u5feb\u7167\u9694\u79bb<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Non-Repeatable Read \u3001 Read Skew\uff08\u8aad\u307f\u53d6\u308a\u30b9\u30ad\u30e5\u30fc\uff09\u304c\u767a\u751f\u3057\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>MVCC\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<p>Write Skew\uff08\u66f8\u304d\u8fbc\u307f\u30b9\u30ad\u30e5\u30fc\uff09\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u76f4\u5217\u5316\u7570\u5e38\u3067\u3042\u308a\u3001\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u8aad\u307f\u53d6\u3063\u305fx\u3092\u4f7f\u3063\u3066y\u306e\u5909\u66f4\u3092\u3059\u308b\u6642\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u8aad\u307f\u53d6\u3063\u305fy\u306e\u5024\u3092\u4f7f\u3063\u3066x\u3092\u5909\u66f4\u3057\u3066\u3057\u307e\u3044\u3001\u3059\u308c\u9055\u3044\u3056\u307e\u306b\u76f8\u624b\u306e\u5909\u66f4\u524d\u306e\u5024\uff08y\uff09\u306b\u4f9d\u5b58\u3057\u305f\u66f4\u65b0\u3092\u884c\u306a\u3063\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<p>Phantom Read\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u8aad\u307f\u53d6\u308a\u4e0d\u6574\u5408\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u5909\u66f4\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046\u30a2\u30ce\u30de\u30ea\u30fc\u3002<\/p>\n<h4>MVCC\uff08\u591a\u7248\u672c\u5e76\u53d1\u63a7\u5236\uff09<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9032\u884c\u4e2d\u306e\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\uff08\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\uff09\u304b\u3089\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u6642\u70b9\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u72b6\u614b\u304c\u898b\u308c\u308b\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u8907\u6570\u306e\u30b3\u30df\u30c3\u30c8\u6e08\u307f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e26\u3079\u3066\u7ba1\u7406\u3001\u4fdd\u6301\u3059\u308b\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u4f8b\uff1a<\/p>\n<p>\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5206\u96e2\u304c\u4e0d\u8981\uff08read committed\uff09\u306a\u5834\u5408: 1\u3064\u306e\u5024\u306b\u3064\u304d\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u3001\u4e0a\u66f8\u304d\u3055\u308c\u305f\u3082\u306e\u306e\u307e\u3060\u30b3\u30df\u30c3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e2\u3064\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3060\u3051\u3092\u4fdd\u6301\u3067\u304d\u308c\u3070\u3088\u3044\u3002<br \/>\n\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5206\u96e2\u304c\u5fc5\u8981\u306a\u5834\u5408: read committed\u3067\u306f\u30af\u30a8\u30ea\u3054\u3068\u306b\u500b\u5225\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4f7f\u3044\u3001\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5206\u96e2\u3067\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5168\u4f53\u306b\u308f\u305f\u3063\u3066\u540c\u3058\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u4f7f\u3046\u3002<\/p>\n<p>\u4ed5\u69d8:<\/p>\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u958b\u59cb\u3055\u308c\u308b\u3068\u3001\u305d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u306f\u30e6\u30cb\u30fc\u30af\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3002<br \/>\n\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u3068\u3001\u66f8\u304d\u8fbc\u307e\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u306e\u884c\u306ecreated_by\u3068\u3044\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3002<br \/>\n\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u8aad\u307f\u53d6\u308a\u3092\u884c\u3046\u5834\u5408\u3001\u305d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304b\u3089\u898b\u3048\u308b\u30c7\u30fc\u30bf\u3068\u898b\u3048\u306a\u3044\u30c7\u30fc\u30bf\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u305d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306eID\u304c\u4f7f\u308f\u308c\u308b\u3002<\/p>\n<h4>\u5199\u5165\u504f\u5dee (xi\u011b r\u00f9 ch\u00e0)<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u3058\u8907\u6570\u306e\u5024\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u3092\u884c\u3044\u3001\u305d\u308c\u3089\u306e\u3046\u3061\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u3044\u304f\u3064\u304b\u306e\uff08\u540c\u3058\u3042\u308b\u3044\u306f\u7570\u306a\u308b\uff09\u5024\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306b\u751f\u3058\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u66f4\u65b0\u30ed\u30b9\u30c8\u306e\u554f\u984c\u3092\u4e00\u822c\u5316\u3057\u305f\u3082\u306e\u3002<br \/>\n\u30c0\u30fc\u30c6\u30a3\u30e9\u30a4\u30c8\u3084\u66f4\u65b0\u30ed\u30b9\u30c8\u306f\u3001\u5225\u3005\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u3058\u5024\u3092\u66f4\u65b0\u3059\u308b\u3068\u3044\u3046\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u3067\u751f\u3058\u308b\u3002<\/p>\n<h4>\u5e7d\u7075\u8bfb\u53d6<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3042\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306e\u66f8\u304d\u8fbc\u307f\u304c\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e2d\u306e\u691c\u7d22\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u5909\u5316\u3055\u305b\u3066\u3057\u307e\u3046\u52b9\u679c\u306e\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u5206\u96e2\u30ec\u30d9\u30eb\u3067\u306f\u3001\u8aad\u307f\u53d6\u308a\u306e\u307f\u3092\u884c\u3046\u30af\u30a8\u30ea\u3067\u306ePhantom Read\u306f\u9632\u3044\u3067\u304f\u308c\u308b\u304c\u3001\u8aad\u307f\u66f8\u304d\u3092\u884c\u3046\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Phantom Read\u306b\u3088\u3063\u3066\u8907\u96d1\u306aWrite Skew\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/ul>\n<h1>\u8003\u8651\u5c06\u6570\u636e\u5206\u53d1\u5230\u591a\u4e2a\u6570\u636e\u5e93\u3002<\/h1>\n<p>\u4e3a\u4ec0\u4e48\u8981\u5c06\u6570\u636e\u5e93\u5206\u6563\u5230\u591a\u53f0\u673a\u5668\uff1f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/ul>\n<\/li>\n<\/ul>\n<p>\u30c7\u30fc\u30bf\u306e\u91cf\u3001\u8aad\u307f\u53d6\u308a\u306e\u8ca0\u8377\u3001\u66f8\u304d\u8fbc\u307f\u306e\u8ca0\u8377\u304c\u5358\u4e00\u306e\u30de\u30b7\u30f3\u306e\u624b\u306b\u306f\u4f59\u308b\u307b\u3069\u306b\u306a\u3063\u3066\u304d\u305f\u3089\u3001\u8907\u6570\u306e\u30de\u30b7\u30f3\u306b\u8ca0\u8377\u3092\u5206\u6563\u3055\u305b\u308b\u3068\u3044\u3046\u65b9\u6cd5\u304c\u3042\u308b\u3002<\/p>\n<p>\u8010\u969c\u5bb3\u6027\/\u9ad8\u53ef\u7528\u6027<\/p>\n<p>1\u53f0\u306e\u30de\u30b7\u30f3\uff08\u3042\u308b\u3044\u306f\u8907\u6570\u306e\u30de\u30b7\u30f3\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u3042\u308b\u3044\u306f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5168\u4f53\uff09\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3082\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3057\u7d9a\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u8907\u6570\u306e\u30de\u30b7\u30f3\u3092\u4f7f\u3063\u3066\u5197\u9577\u6027\u3092\u6301\u305f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30021\u53f0\u306b\u969c\u5bb3\u304c\u8d77\u304d\u3066\u3082\u3001\u4ed6\u306e\u30de\u30b7\u30f3\u304c\u4ee3\u7406\u3092\u52d9\u3081\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30a4\u30c6\u30f3\u30b7<\/p>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u4e16\u754c\u4e2d\u306b\u3044\u308b\u306a\u3089\u3001\u4e16\u754c\u4e2d\u306e\u69d8\u3005\u306a\u5834\u6240\u306b\u30b5\u30fc\u30d0\u30fc\u3092\u914d\u7f6e\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u7406\u7684\u306b\u8fd1\u3044\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304b\u3089\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d7\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3067\u304d\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u7403\u3092\u534a\u5468\u3057\u3066\u304f\u308b\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b1\u30c3\u30c8\u3092\u5f85\u305f\u305a\u306b\u3059\u3080\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<h2>2.1. \u590d\u5236<\/h2>\n<ul class=\"post-ul\">\u8907\u6570\u306e\u30de\u30b7\u30f3\u306b\u540c\u3058\u30c7\u30fc\u30bf\u306e\u30b3\u30d4\u30fc\u3092\u4fdd\u6301\u3059\u308b\u65b9\u6cd5\u3002<\/ul>\n<h3>\u590d\u5236\u7684\u76ee\u7684 de<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8aad\u307f\u53d6\u308a\u306e\u30af\u30a8\u30ea\u3092\u51e6\u7406\u3059\u308b\u30de\u30b7\u30f3\u6570\u3092\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u3057\u3001\u8ca0\u8377\u5206\u6563\u3055\u305b\u308b\uff08\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u5411\u4e0a\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">1\u3064\u306e\u30de\u30b7\u30f3\u306b\u969c\u5bb3\u304c\u3042\u3063\u3066\u3082\u30b7\u30b9\u30c6\u30e0\u304c\u52d5\u4f5c\u3057\u7d9a\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\uff08\u53ef\u7528\u6027\u306e\u5411\u4e0a\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u3092\u5730\u7406\u7684\u306b\u30e6\u30fc\u30b6\u30fc\u306e\u8fd1\u304f\u3067\u4fdd\u6301\u3057\u3066\u304a\u304f\uff08\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u4e0b\u3052\u308b\uff09<\/ul>\n<h3>\u590d\u5236\u54c1\u7684\u79cd\u7c7b<\/h3>\n<ul class=\"post-ul\">\u30b7\u30f3\u30b0\u30eb\u30ea\u30fc\u30c0\u30fc\uff08Leader\uff09\u3001\u30de\u30eb\u30c1\u30ea\u30fc\u30c0\u30fc\u3001\u30ea\u30fc\u30c0\u30fc\u30ec\u30b9<\/ul>\n<h3>Leader-based replication \uff08Active\/Passive, Master-Slave replication\uff09<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u3001\u3059\u3079\u3066\u306e\u30ec\u30d7\u30ea\u30ab\u3067\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u306e\u3053\u3068\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ea\u30fc\u30c0\u30fc\u306b\u66f8\u304d\u8fbc\u307f\u304c\u3042\u308b\u3068\u3001\u30d5\u30a9\u30ed\u30ef\u30fc\u304c\u540c\u3058\u9806\u5e8f\u3067\u66f8\u304d\u8fbc\u3080\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30b3\u30d4\u30fc\u3092\u4fdd\u5b58\u3057\u3066\u3044\u308b\u5404\u30ce\u30fc\u30c9\u3092\u3001\u30ec\u30d7\u30ea\u30ab\u3068\u547c\u3076\u3002<br \/>\n\u30ec\u30d7\u30ea\u30ab\u306e1\u3064\u306e \u30ea\u30fc\u30c0\u30fc\uff08\u30de\u30b9\u30bf\u30fc\u3001\u30d7\u30e9\u30a4\u30de\u30ea\uff09 \u3068\u547c\u3076\u3002<br \/>\n\u4ed6\u306e\u30ec\u30d7\u30ea\u30ab\u3092\u30d5\u30a9\u30ed\u30ef\u30fc\uff08\u30b9\u30ec\u30fc\u30d6\u3001\u30bb\u30ab\u30f3\u30c0\u30ea\u3001\u30db\u30c3\u30c8\u30b9\u30bf\u30f3\u30d0\u30a4\u3001\u30ea\u30fc\u30c9\u30ec\u30d7\u30ea\u30ab\uff09 \u3068\u547c\u3076\u3002<\/p>\n<h3>\u5728\u590d\u5236\u8fc7\u7a0b\u4e2d\u7684\u6743\u8861<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540c\u671f\u304b\u975e\u540c\u671f\u304b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u969c\u5bb3\u304c\u8d77\u3053\u3057\u305f\u30ec\u30d7\u30ea\u30ab\u306e\u6271\u3044\u3092\u3069\u3046\u3059\u308b\u304b<\/ul>\n<p>\u5982\u679c\u4e3b\u8981\u6570\u636e\u5e93\u5d29\u6e83\uff0c\u5c31\u9700\u8981\u51b3\u5b9a\u5982\u4f55\u5904\u7406Read Replica\u7684\u6570\u636e\u5e93\uff0c\u4f8b\u5982\u662f\u5426\u5347\u7ea7\u4e3a\u4e3b\u8981\u6570\u636e\u5e93\u3002<\/p>\n<h3>\u4e9a\u9a6c\u900a\u4e91\u6570\u636e\u5e93\u670d\u52a1\uff08Amazon RDS\uff09\u4e2d\u590d\u5236\u7684\u6982\u5ff5\u548c\u5b9e\u73b0<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b7\u30f3\u30b0\u30eb\u30ea\u30fc\u30c0\u30fc\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f8b\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e1\u30a4\u30f3\u3068\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08Primary\uff09\u304c\u3042\u3063\u3066\u3001\u305d\u3053\u306bRead\/Write\u3092\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u975e\u540c\u671f\u3067Read\u5c02\u7528\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08Read Replica\uff09\u306b\u30c7\u30fc\u30bf\u3092\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u8907\u88fd\uff09\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Read Replica\u306b\u306fReadonly\u306e\u30af\u30a8\u30ea\u3060\u3051\u3092\u6295\u3052\u308b\u3002<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d92af913a08637a6e3a1f\/107-0.png\" alt=\"read-replicas-scaling-disaster-recovery.3b8da7093daeb1e87426225caf49e32efe7ae01a.png\" \/><\/div>\n<p>&nbsp;<\/p>\n<h2>2.2. \u5206\u533a\uff08\u5206\u7247\uff09<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5206\u5272\u3057\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5168\u304f\u540c\u3058\u30c7\u30fc\u30bf\u306e\u30b3\u30d4\u30fc\u3092\u8907\u6570\u306e\u30de\u30b7\u30f3\u306b\u6301\u3064\u624b\u6cd5\u3060\u3063\u305f\u304c\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3067\u306f\u8907\u6570\u306e\u30de\u30b7\u30f3\u306b\u30c7\u30fc\u30bf\u3092\u5206\u5272\u3059\u308b\u3002<br \/>\n\u30c7\u30fc\u30bf\u3092\u6642\u9593\u7bc4\u56f2(1\u6642\u9593\u30011\u65e5\u306a\u3069)\u3001\u3042\u308b\u3044\u306f\u30ad\u30fc\u7bc4\u56f2\u306a\u3069\u3067\u5206\u5272\u3059\u308b\u3002<\/p>\n<p>\u4f8b\uff1a24\u6642\u9593\u3054\u3068\u306b\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001\u8a72\u5f53\u65e5\u6642\u306e\u30c7\u30fc\u30bf\u3092\u898b\u3084\u3059\u304f\u3059\u308b\u306a\u3069\u3002<\/p>\n<p>\u5747\u7b49\u306b\u8ca0\u8377\u5206\u6563\u3067\u304d\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u826f\u3044\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3068\u8a00\u3048\u308b\u3002<br \/>\n\u5b9f\u969b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3059\u308b\u6642\u306b\u306f\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u305f\u308a\u3068\u304b\u3001\u3044\u308d\u3044\u308d\u306a\u624b\u6cd5\u304c\u3042\u308b\u3002<\/p>\n<h3>\u5206\u533a\u7684\u76ee\u7684\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u5411\u4e0a<\/ul>\n<\/li>\n<\/ul>\n<p>\u30af\u30a8\u30ea\u306e\u8ca0\u8377\u5206\u6563<\/p>\n<p>&#8220;\u826f\u3044&#8221;\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u306f\u30c7\u30fc\u30bf\u3068\u30af\u30a8\u30ea\u306e\u8ca0\u8377\u3092\u30ce\u30fc\u30c9\u9593\u3067\u5747\u7b49\u306b\u5206\u6563\u3055\u305b\u308b<\/p>\n<p>\u504f\u308a\u304c\u3042\u308b\u72b6\u614b\uff1askew\u3068\u3044\u3046\u3002<br \/>\n\u8ca0\u8377\u96c6\u4e2d\u3057\u3066\u3044\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff1a\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3068\u3044\u3046\u3002<\/p>\n<h3>\u7528A-Z\u7684\u5b57\u6bcd\u6309\u7167\u5206\u533a\u7684\u4f8b\u5b50\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4ee5\u4e0b\u306b\u3088\u308a\u8ca0\u8377\u5206\u6563\u3055\u305b\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>Key\u304cA-G\u306e\u5834\u5408\u306fA-G\u30b7\u30e3\u30fc\u30c9\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u3002<br \/>\nKey\u304cH-Z\u306e\u5834\u5408\u306fH-Z\u30b7\u30e3\u30fc\u30c9\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001Key\u304c\u5168\u4f53\u3067A-G\u3067\u3042\u308b\u30c7\u30fc\u30bf\u3057\u304b\u5b58\u5728\u305b\u305a\u3001A-G\u30b7\u30e3\u30fc\u30c9\u306b\u3057\u304b\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001A-G\u30b7\u30e3\u30fc\u30c9\u306f\u8ca0\u8377\u304c\u96c6\u4e2d\u3057\u3066\u3044\u308b\u30b7\u30e3\u30fc\u30c9\uff08\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff09\u3067\u3042\u308a\u3001\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3067\u3042\u308b\u3002<\/p>\n<blockquote><p>\u4ea7\u54c1\u5e93\u5b58\u6570\u636e\u5c06\u6839\u636e\u4ea7\u54c1\u7684Key\u8fdb\u884c\u5206\u7247\uff08\u5206\u5272\uff09\u5904\u7406\u3002<br \/>\n\u6bcf\u4e2a\u5206\u7247\u6301\u6709\u6309\u5b57\u6bcd\u987a\u5e8f\u6392\u5217\u7684\u8fde\u7eed\u8303\u56f4\u5185\u7684\u5206\u7247Key\uff08A-G\u548cH-Z\uff09\u7684\u6570\u636e\u3002<br \/>\n\u5206\u7247\u80fd\u591f\u5c06\u8d1f\u8f7d\u5206\u6563\u5230\u66f4\u591a\u7684\u8ba1\u7b97\u673a\u4e0a\uff0c\u51cf\u5c11\u7ade\u4e89\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p><\/blockquote>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d92af913a08637a6e3a1f\/116-0.png\" alt=\"datapartitioning01.png\" \/><\/div>\n<p>&nbsp;<\/p>\n<h1>\u8bf7\u4f60\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u6216\u8005\u53e5\u5b50\u6765\u8fdb\u884c\u8f6c\u8ff0\u3002<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u6307\u5411\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30b6\u30a4\u30f3<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5206\u6563\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u5165\u9580\u306e\u6c7a\u5b9a\u7248\u300e\u30c7\u30fc\u30bf\u6307\u5411\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30b6\u30a4\u30f3\u300f\u3092\u305f\u3063\u305f30\u5206\u3067\u5b66\u3093\u3067\u307f\u305f#DataEngineeringStudy<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7814\u4fee\uff08\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u57fa\u790e\u7de8\uff09\u3010\u30df\u30af\u30b7\u30a322\u65b0\u5352\u6280\u8853\u7814\u4fee\u3011<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MySQL\/Postgres \u306b\u304a\u3051\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u3068\u767a\u751f\u3059\u308b\u30a2\u30ce\u30de\u30ea\u30fc\u3092\u6574\u7406\u3059\u308b &#8211; 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