{"id":6095,"date":"2024-03-14T16:57:53","date_gmt":"2024-03-14T07:57:53","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/"},"modified":"2024-03-20T14:00:20","modified_gmt":"2024-03-20T05:00:20","slug":"6095-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/","title":{"rendered":""},"content":{"rendered":"<p>MySQL\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u5c5e\u6027\u3092NOT NULL\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> customers (\r\n    id <span class=\"hljs-type\">INT<\/span> <span class=\"hljs-keyword\">PRIMARY<\/span> KEY,\r\n    name <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">50<\/span>) <span class=\"hljs-keyword\">NOT<\/span> <span class=\"hljs-keyword\">NULL<\/span>,\r\n    email <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">50<\/span>) <span class=\"hljs-keyword\">NOT<\/span> <span class=\"hljs-keyword\">NULL<\/span>\r\n);\r\n<\/code><\/pre>\n<p>\u4f8b\u3048\u3070\u3001\u4e0a\u306e\u4f8b\u3067\u306f\u3001name\u3068email\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304cNOT NULL\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u969b\u306b\u3053\u308c\u3089\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u7a7a\u767d\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u7a7a\u306e\u5024\u3092\u633f\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001MySQL\u306f\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u5c5e\u6027\u3092NOT NULL\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u4f8b\u3067\u3059\u3002 CREATE TAB [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6095","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>- 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\/6095-2\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"MySQL\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u5c5e\u6027\u3092NOT NULL\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u4f8b\u3067\u3059\u3002 CREATE TAB [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T07:57:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T05:00:20+00:00\" \/>\n<meta name=\"author\" content=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\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=\"\u7dbe\u4e43, \u4e00\u5e0c\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-14T07:57:53+00:00\",\"dateModified\":\"2024-03-20T05:00:20+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/\"]}]},{\"@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\/601389077b7f4e4ad6115428e3b73bff\",\"name\":\"\u7dbe\u4e43, \u4e00\u5e0c\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g\",\"caption\":\"\u7dbe\u4e43, \u4e00\u5e0c\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/ayanokazuki\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- 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\/6095-2\/","og_locale":"ja_JP","og_type":"article","og_description":"MySQL\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30d5\u30a3\u30fc\u30eb\u30c9\u5c5e\u6027\u3092NOT NULL\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u975enull\u5236\u7d04\u3092\u8ffd\u52a0\u3059\u308b\u4f8b\u3067\u3059\u3002 CREATE TAB [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-14T07:57:53+00:00","article_modified_time":"2024-03-20T05:00:20+00:00","author":"\u7dbe\u4e43, \u4e00\u5e0c","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7dbe\u4e43, \u4e00\u5e0c"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-14T07:57:53+00:00","dateModified":"2024-03-20T05:00:20+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/601389077b7f4e4ad6115428e3b73bff"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/"]}]},{"@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\/601389077b7f4e4ad6115428e3b73bff","name":"\u7dbe\u4e43, \u4e00\u5e0c","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2228fe98b71141214fb24fb1b5ae44f99bdfa0602bbd89b351f2acd49ece862d?s=96&d=mm&r=g","caption":"\u7dbe\u4e43, \u4e00\u5e0c"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/ayanokazuki\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/6095-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/6095","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=6095"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/6095\/revisions"}],"predecessor-version":[{"id":74171,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/6095\/revisions\/74171"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=6095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=6095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=6095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}