{"description":"MySQL (8.0.32) drop table tab1;create table tab1(col1 int,col2 int);show create table tab1; alter table tab1 add col3 int ;alter table tab1 add ( col4 int );alter table tab1 add ( col5 int,col6 int ); alter table tab1 drop col3 ; \u30ab\u30e9\u30e0\u8ffd\u52a0\u306f\u8907\u6570\u540c\u6642\u5b9f\u65bd\u53ef\u80fd\u30ab\u30e9\u30e0\u524a\u9664\u306f1\u30ab\u30e9\u30e0\u305a\u3064\u306e\u307f\u53ef\u80fd\u2605 alter table tab1 add ( col7 int,col8 i\u2026","url":"https://htn20190109.hatenablog.com/entry/2023/02/23/011140","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2023%2F02%2F23%2F011140\" title=\"\u8907\u6570\u30ab\u30e9\u30e0\u8ffd\u52a0\u524a\u9664 - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["DB"],"title":"\u8907\u6570\u30ab\u30e9\u30e0\u8ffd\u52a0\u524a\u9664","provider_name":"Hatena Blog","author_name":"HTN20190109","published":"2023-02-23 01:11:40","blog_url":"https://htn20190109.hatenablog.com/","image_url":null,"author_url":"https://blog.hatena.ne.jp/HTN20190109/","type":"rich","width":"100%","blog_title":"HTN20190109\u306e\u65e5\u8a18","height":"190","version":"1.0"}