{"description":"MySQL (8.0.22) vim /etc/my.cnfmax_allowed_packet = 16MB; show variables like 'max_allowed_packet'; set sql_log_bin = OFF; drop table tab1;create table tab1( col1 int,col2 varchar(500),col3 varchar(500),col4 varchar(500),col5 varchar(500),col6 varchar(500),col7 varchar(500),col8 varchar(500),col9 var\u2026","title":"drop\u3068truncate\u306e\u901f\u5ea6\u6bd4\u8f03","blog_title":"HTN20190109\u306e\u65e5\u8a18","author_name":"HTN20190109","image_url":null,"author_url":"https://blog.hatena.ne.jp/HTN20190109/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F10%2F17%2F002031\" title=\"drop\u3068truncate\u306e\u901f\u5ea6\u6bd4\u8f03 - 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>","version":"1.0","width":"100%","provider_url":"https://hatena.blog","url":"https://htn20190109.hatenablog.com/entry/2021/10/17/002031","blog_url":"https://htn20190109.hatenablog.com/","type":"rich","height":"190","provider_name":"Hatena Blog","categories":["DB"],"published":"2021-10-17 00:20:31"}