{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","version":"1.0","url":"https://daisuke-m.hatenablog.com/entry/20071110/1194692271","blog_url":"https://daisuke-m.hatenablog.com/","author_name":"daisuke-m","title":"\u578b\u306e\u4e92\u63db\u6027","author_url":"https://blog.hatena.ne.jp/daisuke-m/","image_url":null,"height":"190","categories":["Jiemamy"],"width":"100%","published":"2007-11-10 19:57:51","blog_title":"\u90fd\u5143\u30c0\u30a4\u30b9\u30b1 IT-PRESS","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdaisuke-m.hatenablog.com%2Fentry%2F20071110%2F1194692271\" title=\"\u578b\u306e\u4e92\u63db\u6027 - \u90fd\u5143\u30c0\u30a4\u30b9\u30b1 IT-PRESS\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u5404RDBMS\u306b\u306f\u8272\u3093\u306a\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002INTEGER\u3084VARCHAR\u3084TIMESTAMP\u306a\u3069\u3002\u305d\u3053\u3067\u3001\u5916\u90e8\u30ad\u30fc\u3092\u5f35\u308c\u308b\u578b\u306e\u30ea\u30b9\u30c8\uff08\u8aac\u660e\u3057\u3065\u3089\u3044\uff57\uff09\u304c\u6b32\u3057\u3044\u3002\u4f8b\u3048\u3070\u3001INTEGER\u306fSERIAL\u3092\u53c2\u7167\u3067\u304d\u308b\u3051\u3069\u3001TEXT\u306f\u53c2\u7167\u3067\u304d\u306a\u3044\u3001\u307f\u305f\u3044\u306a\u3001\u578b\u306e\u4e92\u63db\u6027\u60c5\u5831\u3002\u3081\u3093\u3069\u304f\u3061\u3083\u3044\u2026\uff57 \u8ffd\u8a18 \u4e92\u63db\u6027\u306e\u306a\u3044\u578b\u3092\u6301\u3064\u30ab\u30e9\u30e0\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\u3092\u3001Validation\u3067\u30a8\u30e9\u30fc\u306b\u3057\u305f\u3044\u306e\u3067\u3059\u3002\u5168\u304f\u540c\u3058\u578b\u306e\u30ab\u30e9\u30e0\u3058\u3083\u306a\u3044\u3068\u30c0\u30e1\u3001\u3063\u3066\u306e\u306a\u3089\u7c21\u5358\u306a\u3093\u3067\u3059\u304c\u3001INT\u30ab\u30e9\u30e0\u304cSERIAL\u30ab\u30e9\u30e0\u3092\u53c2\u7167\u3059\u308b\u3060\u3051\u3067\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3046orz\u3042\u3068\u3001SMALLINT\u30ab\u30e9\u30e0\u304cBIGINT\u30ab\u30e9\u30e0\u3092\u53c2\u7167\u306f\u3067\u304d\u308b\u306e\u304b\u3002\u305d\u306e\u9006\u306f\u3069\u3046\u306a\u306e\u2026"}