{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fymotongpoo.hatenablog.com%2Fentry%2F20060815%2F1155620051\" title=\"\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3000\u5909\u6570\u578b - YAMAGUCHI::weblog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://ymotongpoo.hatenablog.com/","title":"\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3000\u5909\u6570\u578b","width":"100%","image_url":null,"description":"\u307e\u305a\u901a\u5e38\u306eSQL\u6587\u3067\u3082\u7528\u3044\u308b\u578b\u306e\u5834\u5408\u306f var_name [CONSTANT] type [NOT NULL] [:= expression]; \u5b9a\u6570\u306a\u3089CONSTANT\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u521d\u671f\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u306a\u3089\u6700\u5f8c\u306e\u69d8\u306b\u3042\u3089\u304b\u3058\u3081\u4ee3\u5165\u3092\u3059\u308b\u3002\u6b21\u306bPL/pgSQL\u3067\u306e\u578b\u306f var_name table.column%TYPE; var_name table%ROWTYPE; var_name RECORD; var_name refcursor %TYPE\u3067\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u3042\u308b\u5217\u306e\u578b\u3092\u3001%ROWTYPE\u3067\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u5168\u4f53\u3092\u578b\u3068\u3057\u3066\u6271\u3048\u308b\u3002\u307e\u305fRECORD\u578b\u306f\u4e8b\u524d\u306b\u30c7\u30fc\u30bf\u578b\u3092\u6301\u305f\u306a\u3044\u3002SELECT I\u2026","blog_title":"YAMAGUCHI::weblog","url":"https://ymotongpoo.hatenablog.com/entry/20060815/1155620051","author_url":"https://blog.hatena.ne.jp/ymotongpoo/","author_name":"ymotongpoo","provider_url":"https://hatena.blog","version":"1.0","provider_name":"Hatena Blog","published":"2006-08-15 14:34:11","type":"rich","categories":["PostgreSQL"],"height":"190"}