{"version":"1.0","author_url":"https://blog.hatena.ne.jp/utgwkk/","title":"MySQL\u306e\u751f\u6210\u30ab\u30e9\u30e0\u3092MODIFY (CHANGE COLUMN) \u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306f\u3042\u3093\u307e\u308a\u81ea\u660e\u3058\u3083\u306a\u3044","type":"rich","description":"\u3053\u306e\u8a18\u4e8b\u306e\u30bf\u30a4\u30c8\u30eb\u306b\u3042\u308b\u3053\u3068\u306e\u7406\u7531\u306f MySQL :: MySQL 8.0 \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb :: 13.1.9.2 ALTER TABLE \u304a\u3088\u3073\u751f\u6210\u3055\u308c\u308b\u30ab\u30e9\u30e0 \u3092\u8aad\u3093\u3060\u3089\u5206\u304b\u308a\u307e\u3059\u3002 \u751f\u6210\u30ab\u30e9\u30e0\u306e\u5f0f\u3092\u5909\u3048\u3066sqldef\u3067\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u53cd\u6620\u3057\u305f\u3089\u3001DROP COLUMN\u3057\u3066ADD COLUMN\u3059\u308bDDL\u304c\u5b9f\u884c\u3055\u308c\u305f\u3053\u3068\u3067\u3001\u8868\u984c\u306e\u4ef6\u306b\u6c17\u3065\u3044\u305f\u3002 \u3082\u306e\u3059\u3054\u304f\u5358\u7d14\u5316\u3059\u308b\u3068\u3001\u305f\u3068\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306aDDL\u304c\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002 ALTER TABLE `users` DROP COLUMN `id_mod`; ALTER TABLE `users` ADD COLUMN `id_mod` \u2026","provider_name":"Hatena Blog","author_name":"utgwkk","categories":["\u6280\u8853"],"blog_url":"https://blog.utgw.net/","blog_title":"\u79c1\u304c\u6b4c\u5ddd\u3067\u3059","width":"100%","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.utgw.net%2Fentry%2F2024%2F11%2F09%2F222619\" title=\"MySQL\u306e\u751f\u6210\u30ab\u30e9\u30e0\u3092MODIFY (CHANGE COLUMN) \u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306f\u3042\u3093\u307e\u308a\u81ea\u660e\u3058\u3083\u306a\u3044 - \u79c1\u304c\u6b4c\u5ddd\u3067\u3059\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2024-11-09 22:26:19","url":"https://blog.utgw.net/entry/2024/11/09/222619","provider_url":"https://hatena.blog","height":"190"}