{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftrinityt.hatenablog.jp%2Fentry%2F20090122%2F1232601803\" title=\"Ruby on Rails\uff0bOracle\u3067Migration\u6642\u306b\u300cORA-00972\u300d\u30a8\u30e9\u30fc - TrinityT&#39;s BLOG\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","title":"Ruby on Rails\uff0bOracle\u3067Migration\u6642\u306b\u300cORA-00972\u300d\u30a8\u30e9\u30fc","blog_title":"TrinityT's BLOG","blog_url":"https://trinityt.hatenablog.jp/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/TrinityT/","provider_url":"https://hatena.blog","author_name":"TrinityT","version":"1.0","url":"https://trinityt.hatenablog.jp/entry/20090122/1232601803","height":"190","description":"Oracle\u306bMigration\u4e2d\u3001\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f Migration\u30d5\u30a1\u30a4\u30eb def self.up add_index :hogehoge_groups, :hogehoge_id end def self.down remove_index :hogehoge_groups end \u30a8\u30e9\u30fc ORA-00972: \u8b58\u5225\u5b50\u304c\u9577\u3059\u304e\u307e\u3059\u3002: DROP INDEX index_hogehoge_groups_on_hogehoge_id \u4f55\u304b\u3068\u601d\u3044\u8abf\u3079\u3066\u307f\u308b\u3068\u3001Oracle\u306f\u30c6\u30fc\u30d6\u30eb\u540d\u3001\u30ab\u30e9\u30e0\u540d\u306a\u3069\u306b30\u6587\u5b57\u4ee5\u4e0a\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u306a\u3044\u3089\u3057\u3044\u3002\uff08\u8a2d\u5b9a\u3067\u5909\u66f4\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\uff09 add_i\u2026","categories":["Rails","Oracle"],"published":"2009-01-22 14:23:23","image_url":null,"width":"100%"}