{"id":30265,"date":"2024-03-19T00:06:19","date_gmt":"2024-03-18T15:06:19","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-22T22:57:00","modified_gmt":"2024-03-22T13:57:00","slug":"sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"SQL\u3067\u306eIF\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<p>SQL\u5185\u3067\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bIF\u6761\u4ef6\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002IF\u6761\u4ef6\u6587\u306f\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u304a\u3088\u3073\u95a2\u6570\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>IF\u6587\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code>IF <span class=\"hljs-keyword\">condition<\/span>\r\n    <span class=\"hljs-keyword\">BEGIN<\/span>\r\n        <span class=\"hljs-comment\">-- \u6267\u884c\u7684\u4ee3\u7801\u5757<\/span>\r\n    <span class=\"hljs-keyword\">END<\/span>\r\n<\/code><\/pre>\n<p>\u6761\u4ef6\u90e8\u5206\u306f\u6761\u4ef6\u5f0f\u3067\u3001TRUE\u307e\u305f\u306fFALSE\u306e\u5024\u3092\u8fd4\u3059\u8868\u73fe\u5f0f\u3067\u3042\u308b\u3002<\/p>\n<p>IF \u6761\u4ef6\u6587\u3092\u4f7f\u7528\u3057\u305f\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u540d\u304c\u300cCustomers\u300d\u3067\u3001&#8221;Age&#8221; \u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u30e6\u30fc\u30b6\u30fc\u306e\u5e74\u9f62\u5c64\u3092\u5224\u65ad\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>IF Age <span class=\"hljs-operator\">&lt;<\/span> <span class=\"hljs-number\">18<\/span>\r\n    <span class=\"hljs-keyword\">BEGIN<\/span>\r\n        <span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-string\">'\u672a\u6210\u5e74\u4eba'<\/span> <span class=\"hljs-keyword\">AS<\/span> AgeGroup;\r\n    <span class=\"hljs-keyword\">END<\/span>\r\n<span class=\"hljs-keyword\">ELSE<\/span> IF Age <span class=\"hljs-operator\">&gt;=<\/span> <span class=\"hljs-number\">18<\/span> <span class=\"hljs-keyword\">AND<\/span> Age <span class=\"hljs-operator\">&lt;<\/span> <span class=\"hljs-number\">65<\/span>\r\n    <span class=\"hljs-keyword\">BEGIN<\/span>\r\n        <span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-string\">'\u6210\u5e74\u4eba'<\/span> <span class=\"hljs-keyword\">AS<\/span> AgeGroup;\r\n    <span class=\"hljs-keyword\">END<\/span>\r\n<span class=\"hljs-keyword\">ELSE<\/span>\r\n    <span class=\"hljs-keyword\">BEGIN<\/span>\r\n        <span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-string\">'\u8001\u5e74\u4eba'<\/span> <span class=\"hljs-keyword\">AS<\/span> AgeGroup;\r\n    <span class=\"hljs-keyword\">END<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u300c\u5e74\u9f62\u300d\u306e\u5024\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u7d50\u679c\u30bb\u30c3\u30c8\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u300c\u5e74\u9f62\u300d\u304c18\u672a\u6e80\u3067\u3042\u308c\u3070\u3001\u300c\u672a\u6210\u5e74\u8005\u300d\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u300c\u5e74\u9f62\u300d\u304c18\u4ee5\u4e0a\u304b\u306465\u672a\u6e80\u3067\u3042\u308c\u3070\u3001\u300c\u6210\u4eba\u300d\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u300c\u8001\u5e74\u4eba\u300d\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>IF\u6761\u4ef6\u6587\u3092\u4f7f\u3046\u969b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306bBEGIN\u3084END\u3092\u4f7f\u7528\u3057\u3001\u8907\u6570\u306e\u6761\u4ef6\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u306fELSE IF\u3084ELSE\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL\u5185\u3067\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bIF\u6761\u4ef6\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002IF\u6761\u4ef6\u6587\u306f\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u304a\u3088\u3073\u95a2\u6570\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 IF\u6587\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a IF c [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-30265","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\u3067\u306eIF\u6761\u4ef6\u6587\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\u3067\u306eif\u6761\u4ef6\u6587\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\u3067\u306eIF\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"SQL\u5185\u3067\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bIF\u6761\u4ef6\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002IF\u6761\u4ef6\u6587\u306f\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u304a\u3088\u3073\u95a2\u6570\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 IF\u6587\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a IF c [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/sql\u3067\u306eif\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-18T15:06:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T13:57:00+00:00\" \/>\n<meta name=\"author\" content=\"\u967d, \u5411\u5b87\" \/>\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=\"\u967d, \u5411\u5b87\" \/>\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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/\",\"name\":\"SQL\u3067\u306eIF\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-18T15:06:19+00:00\",\"dateModified\":\"2024-03-22T13:57:00+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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\u3067\u306eIF\u6761\u4ef6\u6587\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\/4aef6196128551a0f5d66db46c42866c\",\"name\":\"\u967d, \u5411\u5b87\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g\",\"caption\":\"\u967d, \u5411\u5b87\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/hinatasora\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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\u3067\u306eIF\u6761\u4ef6\u6587\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\u3067\u306eif\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"SQL\u3067\u306eIF\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5","og_description":"SQL\u5185\u3067\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bIF\u6761\u4ef6\u6587\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002IF\u6761\u4ef6\u6587\u306f\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u304a\u3088\u3073\u95a2\u6570\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 IF\u6587\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a IF c [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/sql\u3067\u306eif\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-18T15:06:19+00:00","article_modified_time":"2024-03-22T13:57:00+00:00","author":"\u967d, \u5411\u5b87","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u967d, \u5411\u5b87"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","name":"SQL\u3067\u306eIF\u6761\u4ef6\u6587\u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-18T15:06:19+00:00","dateModified":"2024-03-22T13:57:00+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4aef6196128551a0f5d66db46c42866c"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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\u3067\u306eIF\u6761\u4ef6\u6587\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\/4aef6196128551a0f5d66db46c42866c","name":"\u967d, \u5411\u5b87","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ad96b120e219751fa368cbd7d2c48ca01b59185e6ed394449bac72614a760bf3?s=96&d=mm&r=g","caption":"\u967d, \u5411\u5b87"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/hinatasora\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/sql%e3%81%a7%e3%81%aeif%e6%9d%a1%e4%bb%b6%e6%96%87%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\/30265","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=30265"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/30265\/revisions"}],"predecessor-version":[{"id":114478,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/30265\/revisions\/114478"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=30265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=30265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=30265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}