{"blog_title":"F\u30e1\u30e2","description":"\u30b9\u30ad\u30fc\u30de\u5909\u66f4\u547d\u4ee4*1 create_table(name, options) \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3002 options[:id] false \u306b\u3057\u306a\u3044\u9650\u308a\u4e3b\u30ad\u30fc\u306e\u30ab\u30e9\u30e0('id')\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002(default: true) options[:primary_key] \u4e3b\u30ad\u30fc\u306e\u30ab\u30e9\u30e0\u540d\u3092\u6307\u5b9a\u3059\u308b\u3002(default: 'id') options[:options] \u5f8c\u7f6e\u3059\u308b\u4efb\u610f\u306e\u6587\u5b57\u5217\u3002(\"DEFAULT CHARSET=UTF-8\" \u306e\u3088\u3046\u306b\u5229\u7528) drop_table(name) \u30c6\u30fc\u30d6\u30eb\u3092\u524a\u9664\u3059\u308b\u3002 add_column(table_name, column_name, type, optio\u2026","published":"2006-10-16 14:32:12","image_url":null,"type":"rich","provider_url":"https://hatena.blog","height":"190","url":"https://setekh.hatenadiary.org/entry/20061016/1160976732","author_url":"https://blog.hatena.ne.jp/Setekh/","title":"migration\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u65b9","provider_name":"Hatena Blog","blog_url":"https://setekh.hatenadiary.org/","version":"1.0","author_name":"Setekh","categories":["Rails"],"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsetekh.hatenadiary.org%2Fentry%2F20061016%2F1160976732\" title=\"migration\u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u65b9 - F\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}