{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2023%2F05%2F05%2F161801\" title=\"\u30ab\u30e9\u30e0\u30c7\u30d5\u30a9\u30eb\u30c8\u5024 - 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>","width":"100%","type":"rich","height":"190","image_url":null,"categories":["DB"],"published":"2023-05-05 16:18:01","blog_title":"HTN20190109\u306e\u65e5\u8a18","author_name":"HTN20190109","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_name":"Hatena Blog","title":"\u30ab\u30e9\u30e0\u30c7\u30d5\u30a9\u30eb\u30c8\u5024","url":"https://htn20190109.hatenablog.com/entry/2023/05/05/161801","description":"MySQL (8.0.32)drop table tab1 ;create table tab1( col1 bigint, col2 bigint default -1, col3 varchar(100), col4 varchar(100) default 'A', col5 datetime, col6 datetime default now()); select ordinal_position , column_name , data_type , character_maximum_length , numeric_precision , numeric_scale , is_\u2026","provider_url":"https://hatena.blog","blog_url":"https://htn20190109.hatenablog.com/","version":"1.0"}