{"description":"1\u3064\u524d\u306e\u30a8\u30f3\u30c8\u30ea\u3067\u3001SQL\u306e\u5236\u7d04\u306f\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u62fe\u3048\u306a\u304f\u3066\u4f7f\u3048\u306a\u3044\u308f\u30fc\u3068\u3044\u3063\u305f\u306e\u304c\u805e\u3053\u3048\u305f\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3060\u308d\u3046\u304c\u3001Bruce Momijan(PostgreSQL\u306eCore Developer)\u304c\u3053\u3093\u306a\u30a8\u30f3\u30c8\u30ea\u3092\u66f8\u3044\u3066\u3044\u305f\u3002 Matching Server and Client Constraints \u30c1\u30a7\u30c3\u30af\u5236\u7d04\u3092\u4f7f\u3046\u3068\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u306e\u5165\u529b\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3059\u308b\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u306f\u3042\u307e\u308a\u5f79\u306b\u7acb\u305f\u306a\u3044\u30021\u3064\u306e\u6539\u5584\u6848\u306f\u3001\u5236\u7d04\u306b\u540d\u524d\u3092\u3064\u3051\u308b\u3053\u3068 CREATE TABLE ledger (id SERIAL, balance NUMERIC(10,2) CONSTRAINT \"Zero \u2026","author_url":"https://blog.hatena.ne.jp/iakio/","image_url":null,"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiakio.hatenablog.com%2Fentry%2F2013%2F04%2F13%2F212841\" title=\"SQL\u306e\u5236\u7d04\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5 - iakio\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","height":"190","categories":["SQLAP"],"title":"SQL\u306e\u5236\u7d04\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5","provider_name":"Hatena Blog","type":"rich","published":"2013-04-13 21:28:41","provider_url":"https://hatena.blog","blog_title":"iakio\u306e\u65e5\u8a18","author_name":"iakio","blog_url":"https://iakio.hatenablog.com/","url":"https://iakio.hatenablog.com/entry/2013/04/13/212841"}