{"id":50344,"date":"2023-02-21T22:49:52","date_gmt":"2023-11-07T17:16:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e-scalar-dlt-%e7%9a%84%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86-scalar-db-%e7%bc%96%e8%be%91\/"},"modified":"2024-04-29T15:40:37","modified_gmt":"2024-04-29T07:40:37","slug":"%e5%85%b3%e4%ba%8e-scalar-dlt-%e7%9a%84%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86-scalar-db-%e7%bc%96%e8%be%91","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e-scalar-dlt-%e7%9a%84%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86-scalar-db-%e7%bc%96%e8%be%91\/","title":{"rendered":"\u5173\u4e8e Scalar DLT \u7684\u7b2c\u4e00\u90e8\u5206 &#8211; Scalar DB \u7f16\u8f91"},"content":{"rendered":"<p>\u6211\u4ece12\u6708\u4efd\u5f00\u59cb\u5728\u4e00\u5bb6\u53eb\u505a Scalar \u7684\u516c\u53f8\u5de5\u4f5c\uff08\u5165\u804c\u7533\u8bf7\u5728\u8fd9\u91cc\uff09\u3002Scalar \u662f\u4e00\u5bb6\u5f00\u53d1\u548c\u9500\u552e\u5177\u6709\u53ef\u6269\u5c55\u6027\u548c\u9632\u7be1\u6539\u6027\u7684\u5206\u5e03\u5f0f\u8d26\u672c\u8f6f\u4ef6 Scalar DLT \u7684\u6570\u636e\u5e93\u4f9b\u5e94\u5546\u3002\u8fd9\u6b21\uff0c\u6211\u60f3\u8981\u501f\u6b64\u673a\u4f1a\u6765\u89e3\u91ca\u4e00\u4e0b Scalar DLT\uff0c\u4e5f\u662f\u4e3a\u4e86\u81ea\u5df1\u7684\u5b66\u4e60\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9069913a08637a6dbfd3\/1-0.png\" alt=\"Scalar DLT\" \/><\/div>\n<h1>Scalar DB\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>Scalar DB\u662f\u4e00\u4e2aJava\u5e93\uff0c\u53ef\u4ee5\u5c06\u4e0d\u7b26\u5408ACID\u6807\u51c6\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\u8f6c\u53d8\u4e3a\u7b26\u5408ACID\u6807\u51c6\u7684\u3002Scalar DB\u53ea\u662f\u4e00\u4e2a\u5e93\uff0c\u6570\u636e\u5e76\u4e0d\u7531Scalar DB\u81ea\u8eab\u4fdd\u5b58\uff0c\u800c\u662f\u5b58\u50a8\u5728\u4f7f\u7528\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\u4e2d\u3002<\/p>\n<p>\u6b64\u5916\uff0cScalar DB\u4e0d\u4f1a\u635f\u5bb3\u4f7f\u7528\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\uff08\u4f8b\u5982Cassandra\uff09\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7528\u6027\uff0c\u540c\u65f6\u652f\u6301ACID\u4e8b\u52a1\u3002\u5173\u4e8e\u8fd9\u4e9b\u673a\u5236\uff0c\u5c06\u5728\u63a5\u4e0b\u6765\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<h1>\u6807\u91cf\u6570\u636e\u5e93\u7684\u67b6\u6784<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9069913a08637a6dbfd3\/6-0.png\" alt=\"Scalar DB\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\" \/><\/div>\n<h2>\u5173\u4e8e\u5b58\u50a8\u9002\u914d\u5668\u7684\u5b9e\u73b0<\/h2>\n<p>\u5728\u5b9e\u73b0\u300c\u5b58\u50a8\u9002\u914d\u5668\u300d\u65f6\uff0c\u9700\u8981\u6839\u636e\u6240\u9700\u5b9e\u73b0\u7684\u5b58\u50a8\u65b9\u5f0f\uff0c\u5b9e\u73b0\u4ee5\u4e0b\u7684DistributedStorage\u63a5\u53e3\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728Scalar DB\u4e2d\uff0c\u6211\u4eec\u5047\u8bbe\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u7684\u5b58\u50a8\u5668\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Linearizable\u306a\u30ec\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u8fbc\u307f\u304c\u3067\u304d\u308b<\/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\">Linearizable\uff08Atomic\uff09\u306a\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30ca\u30eb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8(\u3044\u308f\u3086\u308bCAS\u64cd\u4f5c)\u304c\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5404\u30ec\u30b3\u30fc\u30c9\u306b\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/ul>\n<h1>Scalar DB\u7684\u6570\u636e\u6a21\u578b<\/h1>\n<p>Scalar DB\u7684\u6570\u636e\u6a21\u578b\u662f\u6240\u8c13\u7684\u591a\u7ef4\u6620\u5c04\u7ed3\u6784\u3002\u4e00\u6761\u8bb0\u5f55\u5305\u542b\u5206\u533a\u952e\uff08Partition key\uff09\u548c\u805a\u7c07\u952e\uff08Clustering key\uff09\uff0c\u4ee5\u53ca\u5e26\u6709\u540d\u79f0\uff08Value name\uff09\u7684\u591a\u4e2a\u503c\uff08Value content\uff09\u3002\u4e00\u4e2a\u503c\u4f1a\u6839\u636e\u5206\u533a\u952e\u3001\u805a\u7c07\u952e\u4ee5\u53ca\u8be5\u503c\u7684\u540d\u79f0\u8fdb\u884c\u552f\u4e00\u6620\u5c04\u3002<\/p>\n<pre class=\"post-pre\"><code>(Partition key, Clustering key, Value name) -&gt; Value content\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9069913a08637a6dbfd3\/15-0.png\" alt=\"Scalar DB\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\" \/><\/div>\n<p>\u6b64\u5916\uff0c\u6bcf\u4e2a\u503c\u90fd\u6709\u5176\u76f8\u5e94\u7684\u6570\u636e\u7c7b\u578b\u3002\u76ee\u524d\u652f\u6301\u4ee5\u4e0b\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">BOOLEAN<\/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\">INT<\/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\">BIGINT<\/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\">FLOAT<\/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\">DOUBLE<\/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\">TEXT<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">BLOB<\/ul>\n<h1>\u5173\u4e8e\u4ea4\u6613\u529f\u80fd<\/h1>\n<p>\u6807\u91cfDB\u7684\u4e8b\u52a1\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u534f\u8c03\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u4e3b\u63a7\u4e2d\u5fc3\u7684\u89d2\u8272\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u5206\u5e03\u5f0f\u6570\u636e\u5e93\/\u5b58\u50a8\u7684\u53ef\u4f38\u7f29\u6027\u548c\u53ef\u7528\u6027\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u4e8b\u52a1\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d9069913a08637a6dbfd3\/20-0.png\" alt=\"wal.png\" \/><\/div>\n<h2>\u5173\u4e8e\u4e8b\u52a1\u534f\u8bae\u3002<\/h2>\n<p>Scalar DB\u91c7\u7528\u4e50\u89c2\u5e76\u53d1\u63a7\u5236\uff08OCC\uff09\u4f5c\u4e3a\u5176\u5e76\u53d1\u63a7\u5236\u65b9\u6cd5\uff0c\u5e76\u7c7b\u4f3c\u4e8e2\u9636\u6bb5\u63d0\u4ea4\u4f5c\u4e3a\u5176\u63d0\u4ea4\u534f\u8bae\u3002\u6b64\u5916\uff0c\u8fd8\u91c7\u7528\u4e86\u79f0\u4e3a\u60f0\u6027\u6062\u590d\uff08Lazy Recovery\uff09\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u5373\u5f53\u4e8b\u52a1\u53d1\u751f\u5d29\u6e83\u65f6\uff0c\u5f53\u5176\u4ed6\u4e8b\u52a1\u8bfb\u53d6\u5df2\u7531\u5d29\u6e83\u4e8b\u52a1\u8fdb\u884c\u5199\u5165\u7684\u8bb0\u5f55\u65f6\uff0c\u5c06\u89e6\u53d1\u6062\u590d\u5904\u7406\u3002<\/p>\n<p>Scalar DB\u7684\u4e8b\u52a1\u534f\u8bae\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f00\u59cb\u4e8b\u52a1\uff0c\u5e76\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u5199\u3002\u5bf9\u4e8e\u6570\u636e\u7684\u8bfb\u53d6\uff0c\u5b9e\u9645\u4e0a\u662f\u4ece\u5b58\u50a8\u4e2d\u8bfb\u53d6\uff0c\u5e76\u5c06\u8be5\u6570\u636e\u5b58\u50a8\u5728\u672c\u5730\u5185\u5b58\u7684\u8bfb\u53d6\u96c6\u4e2d\u3002\u5bf9\u4e8e\u6570\u636e\u7684\u5199\u5165\uff0c\u5728\u6b64\u65f6\u5e76\u4e0d\u5b9e\u9645\u5199\u5165\u5230\u5b58\u50a8\u4e2d\uff0c\u800c\u662f\u5c06\u5176\u5b58\u50a8\u5728\u672c\u5730\u5185\u5b58\u4e2d\u7684\u5199\u5165\u96c6\u4e2d\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u8bfb\u5199\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u8fdb\u5165\u51c6\u5907\u9636\u6bb5\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>\u9488\u5bf9\u6bcf\u6761\u5199\u5165\u8bb0\u5f55\uff0c\u4f7f\u7528\u6761\u4ef6\u66f4\u65b0\uff08\u6761\u4ef6\u4e3aVersion=&lt;\u524d\u4e00\u4e2aVersion&gt;\u4e14TxID=&lt;\u524d\u4e00\u4e2aTxID&gt;\uff09\u5c06\u72b6\u6001\u66f4\u6539\u4e3aPREPARED\uff0c\u5e76\u66f4\u65b0Version\u548cTxID\uff0c\u5e76\u5c06\u5e94\u7528\u7a0b\u5e8f\u6570\u636e\u548cWAL\u4fe1\u606f\u5199\u5165\u3002<br \/>\n\u5982\u679c\u5bf9\u6240\u6709\u8bb0\u5f55\u7684\u6761\u4ef6\u66f4\u65b0\u90fd\u6210\u529f\uff0c\u5219Prepare\u64cd\u4f5c\u6210\u529f\u3002\u5982\u679c\u5bf9\u6240\u6709\u8bb0\u5f55\u7684\u6761\u4ef6\u66f4\u65b0\u90fd\u5931\u8d25\uff0c\u5219\u56de\u6eda\u5df2\u6210\u529f\u7684\u6761\u4ef6\u66f4\u65b0\u8bb0\u5f55\uff0c\u5e76\u4f7f\u4e8b\u52a1\u4e2d\u6b62\u3002<\/p>\n<p>\u5982\u679cPrepare\u64cd\u4f5c\u6210\u529f\uff0c\u5219\u8fdb\u5165Commit\u9636\u6bb5\u3002<\/p>\n<p>\u5c06\u65b0TxID\u7684\u8bb0\u5f55\u4f5c\u4e3aCOMMITTED\u4f7f\u7528\u6761\u4ef6\u66f4\u65b0\uff08\u6761\u4ef6\u662f\u8be5TxID\u7684\u8bb0\u5f55\u4e0d\u5b58\u5728\uff09\u63d2\u5165\u5230Coordinator\u8868\u4e2d\u3002<br \/>\n\u5982\u679c\u6761\u4ef6\u66f4\u65b0\u64cd\u4f5c\u6210\u529f\uff0c\u5219\u4f7f\u7528\u6761\u4ef6\u66f4\u65b0\uff08\u6761\u4ef6\u4e3aStatus=PREPARED\u4e14TxID=&lt;\u65b0TxID&gt;\uff09\u5c06\u6bcf\u6761\u8bb0\u5f55\u7684\u72b6\u6001\u66f4\u6539\u4e3aCOMMITTED\u3002\u5982\u679c\u6761\u4ef6\u66f4\u65b0\u64cd\u4f5c\u5931\u8d25\uff0c\u5219\u56de\u6eda\u6240\u6709\u8bb0\u5f55\u3002<\/p>\n<p>\u8fd9\u4e2a\u534f\u8bae\u7684\u4e3b\u8981\u70b9\u5728\u4e8e\u4f7f\u7528\u4e86\u6761\u4ef6\u66f4\u65b0\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5728\u51c6\u5907\u9636\u6bb5\uff0c\u901a\u8fc7\u5bf9\u6bcf\u4e2a\u8bb0\u5f55\u8fdb\u884c\u6761\u4ef6\u66f4\u65b0\uff0c\u5373\u4f7f\u6709\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u5c1d\u8bd5\u5bf9\u540c\u4e00\u6761\u8bb0\u5f55\u8fdb\u884c\u5199\u5165\uff0c\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\u4f1a\u6210\u529f\u3002\u5bf9\u4e8e\u5bf9Coordinator\u8868\u7684\u5199\u5165\uff0c\u4e5f\u662f\u540c\u6837\u7684\u60c5\u51b5\uff0c\u65e0\u8bba\u662f\u4e8b\u52a1\u8fd8\u662fLazy Recovery\u540c\u65f6\u5c1d\u8bd5\u8fdb\u884c\u5199\u5165\uff0c\u53ea\u4f1a\u6709\u4e00\u4e2a\u6210\u529f\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u4ea7\u751f\u77db\u76fe\u7684\u72b6\u6001\u3002<\/p>\n<p>\u5982\u679c\u4ec5\u4ec5\u901a\u8fc7\u6587\u7ae0\u96be\u4ee5\u7406\u89e3\u7684\u8bdd\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u8d44\u6599\uff1a<br \/>\n<iframe loading=\"lazy\" title=\"Making Cassandra more capable, faster, and more reliable (at ApacheCon@Home 2020)\" src=\"https:\/\/www.slideshare.net\/slideshow\/embed_code\/key\/HXMZ4bYvEKjTZ0\" width=\"427\" height=\"356\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" style=\"border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;\" allowfullscreen> <\/iframe> <\/p>\n<div style=\"margin-bottom:5px\"> <strong> <a href=\"https:\/\/www.slideshare.net\/scalar-inc\/making-cassandra-more-capable-faster-and-more-reliable-at-apacheconhome-2020\" title=\"Making Cassandra more capable, faster, and more reliable (at ApacheCon@Home 2020)\" target=\"_blank\">Making Cassandra more capable, faster, and more reliable (at ApacheCon@Home 2020)<\/a> <\/strong> from <strong><a href=\"https:\/\/www.slideshare.net\/scalar-inc\" target=\"_blank\">Scalar, Inc.<\/a><\/strong> <\/div>\n<h2>\u5173\u4e8eLazy Recovery\u5927\u61d2\u764c\u548c\u5077\u61d2\u7684\u89c2\u70b9<\/h2>\n<p>\u5f53\u8bfb\u53d6\u5230\u672a\u63d0\u4ea4\uff08\u72b6\u6001\u4e0d\u4e3aCOMMITTED\uff09\u7684\u8bb0\u5f55\u65f6\uff0cLazy Recovery\u4f1a\u88ab\u89e6\u53d1\uff0c\u5b83\u4f4d\u4e8e\u4e8b\u52a1\u534f\u8bae\u4e2d\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>\u61d2\u4eba\u6062\u590d\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6839\u636e\u8981\u6062\u590d\u7684\u8bb0\u5f55\u7684TxID\uff0c\u67e5\u8be2Coordinator\u8868\uff0c\u68c0\u67e5\u8be5\u4e8b\u52a1\u7684Status\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5982\u679cStatus\u4e3aCOMMITED\uff0c\u5219\u6267\u884c\u524d\u5411\u56de\u6eda\u5e76\u6309\u7167\u4e8b\u52a1\u534f\u8bae3-2\u7684\u6b65\u9aa4\u5c06\u8981\u6062\u590d\u7684\u8bb0\u5f55\u7684Status\u66f4\u6539\u4e3aCOMMITED\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5982\u679cStatus\u4e3aABORTED\uff0c\u5219\u6267\u884c\u56de\u6eda\u64cd\u4f5c\uff0c\u5e76\u6839\u636eWAL\u7684\u4fe1\u606f\u5c06\u8981\u6062\u590d\u7684\u8bb0\u5f55\u7684\u6570\u636e\u8fd8\u539f\u5230\u5148\u524d\u7684\u7248\u672c\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5982\u679cCoordinator\u8868\u4e2d\u4e0d\u5b58\u5728\u5177\u6709\u8be5TxID\u7684\u8bb0\u5f55\uff0c\u5219\u5c06\u8be5TxID\u7684\u8bb0\u5f55\u63d2\u5165Coordinator\u8868\uff0c\u5e76\u5c06Status\u8bbe\u7f6e\u4e3aABORT\uff0c\u4f7f\u7528\u6761\u4ef6\u6027\u66f4\u65b0\uff08\u6761\u4ef6\u662f\u4e0d\u5b58\u5728\u5177\u6709\u8be5TxID\u7684\u8bb0\u5f55\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u6267\u884c\u56de\u6eda\u64cd\u4f5c\uff0c\u5c06\u8981\u6062\u590d\u7684\u8bb0\u5f55\u7684\u6570\u636e\u901a\u8fc7WAL\u7684\u4fe1\u606f\u8fd8\u539f\u5230\u5148\u524d\u7684\u7248\u672c\u3002<\/ol>\n<h2>\u5173\u4e8e\u4e8b\u52a1\u5d29\u6e83\u65f6\u7684\u6062\u590d<\/h2>\n<p>\u5982\u679c\u5728\u4e8b\u52a1\u534f\u8bae1\u7684\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e8b\u52a1\u5d29\u6e83\uff0c\u5219\u5728\u6b64\u65f6\u5c1a\u672a\u5bf9\u5b58\u50a8\u8fdb\u884c\u4efb\u4f55\u5199\u5165\uff0c\u56e0\u6b64\u65e0\u9700\u91c7\u53d6\u4efb\u4f55\u63aa\u65bd\u3002<br 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\/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c\u4e8b\u52a1\u5728\u8fdb\u884c\u4e2d\u5d29\u6e83\uff0c\u5e76\u4e14\u5b58\u5728\u90e8\u5206\u5b8c\u6210\u7684\u8bb0\u5f55\uff0cLazy Recovery\u5c06\u901a\u8fc7\u60f0\u6027\u65b9\u5f0f\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<h2>\u5173\u4e8e\u5206\u79bb\u6c34\u5e73\u7684\u95ee\u9898<\/h2>\n<p>Scalar DB \u652f\u6301\u5feb\u7167\u9694\u79bb\uff08\u4ee5\u4e0b\u7b80\u79f0SI\uff09\u548c\u53ef\u4e32\u884c\u5316\u4f5c\u4e3a\u9694\u79bb\u7ea7\u522b\u3002\u4e0d\u8fc7\uff0cScalar DB \u7684SI\u4e0eANSI\u5b9a\u4e49\u7684SI\u6709\u6240\u4e0d\u540c\uff0c\u66f4\u63a5\u8fd1\u4e8eSQL Server \u4e2d\u4f7f\u7528\u7684\u8bfb\u53d6\u5df2\u63d0\u4ea4\u7684\u5feb\u7167\u9694\u79bb\uff08RCSI\uff09\u3002\u5728Scalar DB 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DLT\u7684\u4e00\u4e2a\u7ec4\u6210\u8981\u7d20Scalar DB\u3002\u4e0b\u4e00\u6b21\uff0c\u6211\u4eec\u8ba1\u5212\u8981\u8bb2\u89e3\u53e6\u4e00\u4e2a\u7ec4\u6210\u8981\u7d20Scalar DL\u3002<\/p>\n<h1>\u6211\u4eec\u6b63\u5728\u62db\u8058!<\/h1>\n<p>Scalar\u6b63\u5728\u62db\u52df\u4e00\u8d77\u5de5\u4f5c\u7684\u6210\u5458\uff01\u8be6\u7ec6\u4fe1\u606f\u8bf7\u67e5\u770b\u4ee5\u4e0b\u94fe\u63a5\uff1a<br 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2020\u4f1a\u8bae\u4e0a\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4ece12\u6708\u4efd\u5f00\u59cb\u5728\u4e00\u5bb6\u53eb\u505a Scalar \u7684\u516c\u53f8\u5de5\u4f5c\uff08\u5165\u804c\u7533\u8bf7\u5728\u8fd9\u91cc\uff09\u3002Scalar \u662f\u4e00\u5bb6\u5f00\u53d1\u548c\u9500\u552e\u5177\u6709\u53ef\u6269 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50344","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5173\u4e8e Scalar DLT \u7684\u7b2c\u4e00\u90e8\u5206 - Scalar DB \u7f16\u8f91 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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