{"height":"190","url":"https://htn20190109.hatenablog.com/entry/2020/11/07/150948","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2020%2F11%2F07%2F150948\" title=\"\u30d1\u30e9\u30ec\u30ebDDL - 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>","provider_name":"Hatena Blog","description":"MySQL (8.0.21) \u203b8.0.14\u304b\u3089\u4e00\u90e8\u306eSQL\u306b\u3064\u3044\u3066\u30d1\u30e9\u30ec\u30eb\u5b9f\u884c\u53ef\u80fdselect @@session.innodb_parallel_read_threads; SET @@session.innodb_parallel_read_threads=2;SET @@session.innodb_parallel_read_threads=1; -- \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u4f5c\u6210drop table tab1;create table tab1(col11 int primary key,col12 int); drop procedure proc1; delimiter //create \u2026","blog_title":"HTN20190109\u306e\u65e5\u8a18","blog_url":"https://htn20190109.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_url":"https://hatena.blog","author_name":"HTN20190109","categories":["DB"],"version":"1.0","type":"rich","image_url":null,"title":"\u30d1\u30e9\u30ec\u30ebDDL","published":"2020-11-07 15:09:48"}