{"blog_url":"https://www.te-nu.com/","provider_url":"https://hatena.blog","description":"\u30b7\u30b9\u30c6\u30e0\u9593\u9023\u643a\u7b49\u306e\u4e8b\u60c5\u3067\u3001\u5225DB\u3092\u4f5c\u3063\u3066\u30c7\u30fc\u30bf\u3092\u6d41\u3057\u8fbc\u307f\u305f\u304f\u306a\u3063\u305f\u306e\u3067\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u624b\u9806 \u4f8b\u3068\u3057\u3066Book\u30e2\u30c7\u30eb\u3092\u4f5c\u308a\u3001\u5225DB\u3092\u5bfe\u8c61\u306b\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 \u74b0\u5883\u306fmysql\u3067\u3059\u3002\u5143\u3005\u4f7f\u3063\u3066\u3044\u308bDB\u306fmain_database\u3001\u65b0\u3057\u304f\u4f7f\u3046DB\u306fsub_database\u3068\u3044\u3046\u540d\u524d\u306b\u3057\u3066\u3044\u307e\u3059\u3002 \u5bfe\u8c61\u3068\u306a\u308bDB\u3068\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u3063\u3066\u304a\u304f \u5225DB\u306b\u3088\u308amigration\u306e\u7ba1\u7406\u5916\u306a\u306e\u3067\u3001\u4e88\u3081\u30b9\u30ad\u30fc\u30de\uff08DB\uff09\u3068\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u3063\u3066\u304a\u304d\u307e\u3059\u3002 CREATE DATABASE sub_database; use sub_database; CREATE TABLE `books` ( `id` int(11) \u2026","url":"https://www.te-nu.com/entry/2018/06/26/202606","author_name":"te-nu","type":"rich","published":"2018-06-26 20:26:06","provider_name":"Hatena Blog","title":"Rails\u3067\u7279\u5b9a\u306eModel\u3060\u3051\u5225DB\u3092\u64cd\u4f5c\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u305f","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/te-nu/","height":"190","image_url":null,"categories":["Rails","Ruby"],"blog_title":"\u30a6\u30a7\u30d6\u30a8\u30f3\u30b8\u30cb\u30a2\u73cd\u9053\u4e2d","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.te-nu.com%2Fentry%2F2018%2F06%2F26%2F202606\" title=\"Rails\u3067\u7279\u5b9a\u306eModel\u3060\u3051\u5225DB\u3092\u64cd\u4f5c\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u305f - \u30a6\u30a7\u30d6\u30a8\u30f3\u30b8\u30cb\u30a2\u73cd\u9053\u4e2d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}