{"url":"https://htn20190109.hatenablog.com/entry/2021/10/10/221458","blog_url":"https://htn20190109.hatenablog.com/","provider_name":"Hatena Blog","width":"100%","categories":["DB"],"published":"2021-10-10 22:14:58","provider_url":"https://hatena.blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F10%2F10%2F221458\" title=\"\u30c6\u30fc\u30d6\u30eb\u30ea\u30cd\u30fc\u30e0\u306e\u6a29\u9650\u3078\u306e\u5f71\u97ff - 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>","height":"190","image_url":null,"author_name":"HTN20190109","blog_title":"HTN20190109\u306e\u65e5\u8a18","title":"\u30c6\u30fc\u30d6\u30eb\u30ea\u30cd\u30fc\u30e0\u306e\u6a29\u9650\u3078\u306e\u5f71\u97ff","author_url":"https://blog.hatena.ne.jp/HTN20190109/","description":"MySQL (8.0.22) drop table tab1;create table tab1(col1 int);grant select on tab1 to user1@'%'; show grants for user1@'%'; alter table tab1 rename to tab1_new; \u30c6\u30fc\u30d6\u30eb\u6a29\u9650\u306f\u7d99\u627f\u3055\u308c\u306a\u3044\u2605 Oracle (19c) drop table tab1 purge;create table tab1(col1 int);grant select on tab1 to user1; select * from user_tab_privs wher\u2026","type":"rich"}