{"id":130395,"date":"2024-03-25T14:36:29","date_gmt":"2024-03-25T05:36:29","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T19:54:03","modified_gmt":"2024-04-05T10:54:03","slug":"sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<p>SQL\u306b\u304a\u3051\u308bDECODE\u95a2\u6570\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u8907\u6570\u306e\u5024\u306e\u3046\u3061\u3001\u4e00\u81f4\u3057\u305f\u3082\u306e\u306b\u5bfe\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u7d50\u679c\u3092\u8fd4\u3059\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002DECODE\u95a2\u6570\u306e\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>DECODE(expression, search_value1, result1, search_value2, result2, ..., default_result)\r\n<\/code><\/pre>\n<p>\u305d\u306e\u3046\u3061<\/p>\n<ol>\n<li>\u5f0f\u306f\u30de\u30c3\u30c1\u3055\u305b\u305f\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/li>\n<li>\u30b5\u30fc\u30c1\u30d0\u30ea\u30e5\u30fc 1\u3001\u30b5\u30fc\u30c1\u30d0\u30ea\u30e5\u30fc 2 \u306a\u3069\u306f\u4e00\u81f4\u3059\u308b\u5024\u3067\u3059\u3002<\/li>\n<li>\u300cresult1\u300d\u300cresult2\u300d\u306a\u3069\u306b\u5bfe\u5fdc\u3059\u308b\u300csearch_value\u300d\u3068\u5408\u81f4\u3057\u305f\u5834\u5408\u306e\u691c\u7d22\u7d50\u679c<\/li>\n<li>default_result\u306f\u5024\u304c\u4e00\u81f4\u3057\u306a\u304b\u3063\u305f\u6642\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u8fd4\u3059\u7d50\u679c<\/li>\n<\/ol>\n<p>DECODE\u95a2\u6570\u306e\u4f7f\u7528\u30b1\u30fc\u30b9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u5024\u306e\u4e00\u81f4\u306e\u7c21\u6613\u5316<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> DECODE(<span class=\"hljs-keyword\">column<\/span>, <span class=\"hljs-string\">'value1'<\/span>, <span class=\"hljs-string\">'result1'<\/span>, <span class=\"hljs-string\">'value2'<\/span>, <span class=\"hljs-string\">'result2'<\/span>, <span class=\"hljs-string\">'default_result'<\/span>) <span class=\"hljs-keyword\">FROM<\/span> <span class=\"hljs-keyword\">table<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>\u5024\u306e\u7bc4\u56f2\u306b\u4e00\u81f4\u3059\u308b:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> DECODE(<span class=\"hljs-keyword\">column<\/span>, <span class=\"hljs-string\">'value1'<\/span>, <span class=\"hljs-string\">'result1'<\/span>, <span class=\"hljs-string\">'value2'<\/span>, <span class=\"hljs-string\">'result2'<\/span>, <span class=\"hljs-string\">'default_result'<\/span>) <span class=\"hljs-keyword\">FROM<\/span> <span class=\"hljs-keyword\">table<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>\u8907\u6570\u306e\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> DECODE(column1, <span class=\"hljs-string\">'value1'<\/span>, <span class=\"hljs-string\">'result1'<\/span>, column2, <span class=\"hljs-string\">'result2'<\/span>, <span class=\"hljs-string\">'default_result'<\/span>) <span class=\"hljs-keyword\">FROM<\/span> <span class=\"hljs-keyword\">table<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>\u518d\u5e30\u7684\u306a DECODE \u95a2\u6570\u3092\u30cd\u30b9\u30c8\u3059\u308b<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> DECODE(<span class=\"hljs-keyword\">column<\/span>, <span class=\"hljs-string\">'value1'<\/span>, <span class=\"hljs-string\">'result1'<\/span>, DECODE(column2, <span class=\"hljs-string\">'value2'<\/span>, <span class=\"hljs-string\">'result2'<\/span>, <span class=\"hljs-string\">'default_result'<\/span>)) <span class=\"hljs-keyword\">FROM<\/span> <span class=\"hljs-keyword\">table<\/span>;\r\n<\/code><\/pre>\n<p>\u5404\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u304a\u3051\u308bDECODE\u95a2\u6570\u306e\u5b9f\u88c5\u3084\u69cb\u6587\u306e\u8981\u4ef6\u306f\u7570\u306a\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u306f\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL\u306b\u304a\u3051\u308bDECODE\u95a2\u6570\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u8907\u6570\u306e\u5024\u306e\u3046\u3061\u3001\u4e00\u81f4\u3057\u305f\u3082\u306e\u306b\u5bfe\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u7d50\u679c\u3092\u8fd4\u3059\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002DECODE\u95a2\u6570\u306e\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 DECODE(expression, search_value1, [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-130395","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>SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/sql-\u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"SQL\u306b\u304a\u3051\u308bDECODE\u95a2\u6570\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u8907\u6570\u306e\u5024\u306e\u3046\u3061\u3001\u4e00\u81f4\u3057\u305f\u3082\u306e\u306b\u5bfe\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u7d50\u679c\u3092\u8fd4\u3059\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002DECODE\u95a2\u6570\u306e\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 DECODE(expression, search_value1, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/sql-\u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-25T05:36:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-05T10:54:03+00:00\" \/>\n<meta name=\"author\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"name\":\"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-25T05:36:29+00:00\",\"dateModified\":\"2024-04-05T10:54:03+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\",\"name\":\"\u7d50\u8863, \u6625\u82b1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"caption\":\"\u7d50\u8863, \u6625\u82b1\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/sql-\u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5","og_description":"SQL\u306b\u304a\u3051\u308bDECODE\u95a2\u6570\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u8907\u6570\u306e\u5024\u306e\u3046\u3061\u3001\u4e00\u81f4\u3057\u305f\u3082\u306e\u306b\u5bfe\u3057\u3066\u5bfe\u5fdc\u3059\u308b\u7d50\u679c\u3092\u8fd4\u3059\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002DECODE\u95a2\u6570\u306e\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 DECODE(expression, search_value1, [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/sql-\u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-25T05:36:29+00:00","article_modified_time":"2024-04-05T10:54:03+00:00","author":"\u7d50\u8863, \u6625\u82b1","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7d50\u8863, \u6625\u82b1"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","name":"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-25T05:36:29+00:00","dateModified":"2024-04-05T10:54:03+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"SQL \u30c7\u30b3\u30fc\u30c9\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac","name":"\u7d50\u8863, \u6625\u82b1","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","caption":"\u7d50\u8863, \u6625\u82b1"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%83%87%e3%82%b3%e3%83%bc%e3%83%89%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/130395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=130395"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/130395\/revisions"}],"predecessor-version":[{"id":323406,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/130395\/revisions\/323406"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=130395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=130395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=130395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}