{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F08%2F29%2F000454\" title=\"merge\u6587 - 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>","categories":["DB"],"width":"100%","version":"1.0","image_url":null,"author_url":"https://blog.hatena.ne.jp/HTN20190109/","published":"2019-08-29 00:04:54","type":"rich","provider_name":"Hatena Blog","blog_url":"https://htn20190109.hatenablog.com/","title":"merge\u6587","provider_url":"https://hatena.blog","blog_title":"HTN20190109\u306e\u65e5\u8a18","author_name":"HTN20190109","url":"https://htn20190109.hatenablog.com/entry/2019/08/29/000454","height":"190","description":"Oracle (12R1) drop table tab1 purge;drop table tab2 purge; create table tab1(col1 int,col2 int);create unique index ind1 on tab1(col1); create table tab2(col1 int,col2 int);create unique index ind2 on tab2(col1); insert into tab1 values(1,1);insert into tab2 values(1,21);insert into tab2 values(2,22\u2026"}