{"description":"\u30de\u30b9\u30af\u304b\u3051\u3066\u30c7\u30fc\u30bf\u3092\u6271\u3044\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002 update\u6587\u3067\u30de\u30b9\u30af\u304b\u3051\u308b\u3084\u308a\u65b9\u3067\u3059\u3002 \u30c9\u30e1\u30a4\u30f3\u3060\u3051\u6b8b\u3057\u3066\u3001\u5f8c\u306f\u56fa\u5b9a\u6587\u5b57\u5217\u3068\u304b\u30ab\u30e9\u30e0\u3060\u3051\u4f7f\u3046\u65b9\u6cd5 id\u306ftable_name\u306b\u3042\u308b\u9023\u756a\u306e\u30ab\u30e9\u30e0\u3067\u3059\u3002 update table_name set email = concat(id,'-foo-',SUBSTRING_INDEX(email, '@', -1)) \u5143\u306e\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u305f\u308a\u3059\u308b\u65b9\u6cd5 \u30c9\u30e1\u30a4\u30f3\u3092\u6b8b\u3057\u3001\u5143\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u90e8\u5206\u3092\u6697\u53f7\u5316\u3057\u3066 \u305d\u308c\u305e\u308c\u306e\u5024\u3092\u56fa\u6709\u306b\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u540c\u58eb\u3067\u30c6\u30fc\u30d6\u30eb\u3092JOIN\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u3053\u306e\u307b\u3046\u304c\u4fbf\u5229\u3067\u3057\u305f\u3002 MD5\u306fsha1\u306b\u3057\u305f\u307b\u2026","width":"100%","url":"https://kkkw.hatenablog.jp/entry/2013/12/18/094531","published":"2013-12-18 09:45:31","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/devillikeaangel/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkkkw.hatenablog.jp%2Fentry%2F2013%2F12%2F18%2F094531\" title=\"MySQL\u3067\u30de\u30b9\u30af - kikukawa&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","categories":["MySQL"],"type":"rich","version":"1.0","title":"MySQL\u3067\u30de\u30b9\u30af","blog_title":"kikukawa's diary","image_url":null,"blog_url":"https://kkkw.hatenablog.jp/","provider_url":"https://hatena.blog","author_name":"devillikeaangel"}