{"type":"rich","blog_url":"https://donbulinux.hatenablog.jp/","height":"190","published":"2022-10-27 18:15:55","blog_title":"AR \u30db\u30fc\u30e0\u30d9\u30fc\u30ab\u30ea\u30fc","provider_name":"Hatena Blog","categories":["MySQL"],"url":"https://donbulinux.hatenablog.jp/entry/2022/10/27/181555","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdonbulinux.hatenablog.jp%2Fentry%2F2022%2F10%2F27%2F181555\" title=\"ERROR 3678 (HY000): Schema directory &#39;./example_development&#39; already exists. This must be resolved manually (e.g. by moving the schema directory to another location). - AR \u30db\u30fc\u30e0\u30d9\u30fc\u30ab\u30ea\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"ERROR 3678 (HY000): Schema directory './example_development' already exists. This must be resolved manually (e.g. by moving the schema directory to another location).","author_name":"donbulinux","description":"\u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\u3002 DROP DATABASE example_development; \u3057\u305f\u3089\u306a\u3093\u304b\u6b8b\u3063\u3066\u3057\u307e\u3044\u3001 rails db: \u7cfb\u30b3\u30de\u30f3\u30c9\u3082\u901a\u3089\u306a\u304f\u306a\u3063\u305f\u3002 \u539f\u56e0\u306f\u3001 mysql_data \u4ee5\u4e0b\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u6b8b\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3002 \u524a\u9664\u3059\u308b /usr/local/var/mysql/ \u306f\u4ed6\u74b0\u5883\u306e mysql_data \u306e\u5834\u5408\u8aad\u307f\u66ff\u3048\u3066\u304f\u308c\u3001\u3068\u3044\u3046\u611f\u3058\u3067\u3002 cd /usr/local/var/mysql/ rm -rf ./example_development \u6a29\u9650\u304c\u3053\u3053\u3060\u3051\u8150\u3063\u3066\u308b\u3001\u307f\u305f\u3044\u306a\u3082\u306e\u3067\u3082\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u306a\u3093\u3067\u524a\u9664\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u304b\u306f\u4e0d\u660e\u3002 \u3068\u2026","author_url":"https://blog.hatena.ne.jp/donbulinux/","image_url":null,"width":"100%","version":"1.0","provider_url":"https://hatena.blog"}