{"id":89286,"date":"2024-03-21T10:56:44","date_gmt":"2024-03-21T01:56:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%a7%e5%a4%89%e6%95%b0%e3%81%ae%e5%9e%8b%e3%82%92%e5%88%a4%e5%ae%9a%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-05T02:16:27","modified_gmt":"2024-04-04T17:16:27","slug":"oracle%e3%81%a7%e5%a4%89%e6%95%b0%e3%81%ae%e5%9e%8b%e3%82%92%e5%88%a4%e5%ae%9a%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%a7%e5%a4%89%e6%95%b0%e3%81%ae%e5%9e%8b%e3%82%92%e5%88%a4%e5%ae%9a%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af%ef%bc%9f\/","title":{"rendered":"Oracle\u3067\u5909\u6570\u306e\u578b\u3092\u5224\u5b9a\u3059\u308b\u306b\u306f\uff1f"},"content":{"rendered":"<p>Oracle\u3067\u306f\u3001\u5909\u6570\u306e\u578b\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5224\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u5909\u6570\u304c NULL \u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001IS NULL \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>IF variable <span class=\"hljs-keyword\">IS<\/span> <span class=\"hljs-keyword\">NULL<\/span> <span class=\"hljs-keyword\">THEN<\/span>\r\n  <span class=\"hljs-comment\">-- \u53d8\u91cf\u4e3a\u7a7a<\/span>\r\n<span class=\"hljs-keyword\">ELSE<\/span>\r\n  <span class=\"hljs-comment\">-- \u53d8\u91cf\u4e0d\u4e3a\u7a7a<\/span>\r\n<span class=\"hljs-keyword\">END<\/span> IF;\r\n<\/code><\/pre>\n<ol>\n<li>%TYPE \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u5909\u6570\u306e\u30c7\u30fc\u30bf\u578b\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4f8b\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>variable_name table_name.column_name<span class=\"hljs-operator\">%<\/span>TYPE;\r\n<\/code><\/pre>\n<ol>\n<li>%ROWTYPE\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5909\u6570\u306e\u30c7\u30fc\u30bf\u578b\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>variable_name table_name<span class=\"hljs-operator\">%<\/span>ROWTYPE;\r\n<\/code><\/pre>\n<ol>\n<li>%TYPE \u304a\u3088\u3073 %ROWTYPE \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001DESCRIBE \u6587\u3067\u5909\u6570\u306e\u30c7\u30fc\u30bf\u578b\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u4f8b:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">DESCRIBE<\/span> variable_name;\r\n<\/code><\/pre>\n<p>\u5909\u6570\u306e\u578b\u3092\u5224\u65ad\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3088\u304f\u4f7f\u308f\u308c\u308b\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u6319\u3052\u305f\u304c\u3001\u4ed6\u306b\u3082\u7528\u9014\u306b\u5fdc\u3058\u3066\u5909\u6570\u306e\u578b\u3092\u5224\u65ad\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\u3067\u306f\u3001\u5909\u6570\u306e\u578b\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5224\u65ad\u3067\u304d\u307e\u3059\u3002 \u5909\u6570\u304c NULL \u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001IS NULL \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001 IF variable IS NULL THEN &#8212; \u53d8\u91cf\u4e3a\u7a7a ELSE &#8212; [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-89286","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) - 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