{"height":"190","author_name":"HTN20190109","blog_url":"https://htn20190109.hatenablog.com/","image_url":null,"url":"https://htn20190109.hatenablog.com/entry/2019/01/27/001448","author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_url":"https://hatena.blog","width":"100%","categories":["DB"],"version":"1.0","published":"2019-01-27 00:14:48","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F01%2F27%2F001448\" title=\"\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210 - 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>","type":"rich","title":"\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210","description":"Oracle create table tab1(col1 int); create table tab2(col1 int,col2 varchar2(10), col3 date);alter table tab2 add constraint tab2p primary key (col1); MySQL --\u30c6\u30fc\u30d6\u30eb\u78ba\u8a8dshow tables;show tables from test;show tables in test;show full tables;show full tables like '%tab%'; --\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210create table tab1(col1 in\u2026","blog_title":"HTN20190109\u306e\u65e5\u8a18"}