{"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaityo-diary.hatenablog.jp%2Fentry%2F2017%2F03%2F17%2F064553\" title=\"PostgreSQL\u306e\u691c\u67fb\u5236\u7d04\u306b\u304a\u3051\u308bNULL\u306e\u6271\u3044 - \u3071\u3068\u968a\u9577\u65e5\u8a8c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://taityo-diary.hatenablog.jp/entry/2017/03/17/064553","title":"PostgreSQL\u306e\u691c\u67fb\u5236\u7d04\u306b\u304a\u3051\u308bNULL\u306e\u6271\u3044","version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/pato_taityo/","width":"100%","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51CGypjLrvL._SL160_.jpg","blog_url":"https://taityo-diary.hatenablog.jp/","provider_url":"https://hatena.blog","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"],"blog_title":"\u3071\u3068\u968a\u9577\u65e5\u8a8c","description":"\u306f\u3058\u3081\u306b PostgreSQL\u3092\u57fa\u6e96\u3068\u3057\u305f\u8cc7\u683c\u8a66\u9a13\u306e\u554f\u984c\u96c6\u300c\u5fb9\u5e95\u653b\u7565 OSS-DB Silver\u554f\u984c\u96c6\uff3bOSDBS-01\uff3d\u5bfe\u5fdc\u300d\u306b\u3066\u3001\u4ee5\u4e0b\u306e\u691c\u67fb\u5236\u7d04\u3092\u8a2d\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u3001\u5024\u306bNULL\u3092\u542b\u3093\u3060INSERT\u304c\u6210\u529f\u3059\u308b\u304b\uff1f\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002 CREATE TABLE points ( col1 INTEGER PRIMARY KEY, col2 INTEGER, CHECK ( col1 > 0 AND col2 < 0 ) ); INSERT INTO points VALUES (3, NULL); \u7b54\u3048\u306f\u300c\u6210\u529f\u3059\u308b\u300d\u306a\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u691c\u67fb\u5236\u7d04\u306b\u304a\u3051\u308bNULL\u306e\u6271\u3044\u304c\u30dd\u30a4\u2026","published":"2017-03-17 06:45:53","author_name":"pato_taityo","type":"rich"}