{"height":"190","version":"1.0","provider_url":"https://hatena.blog","width":"100%","published":"2021-12-03 02:01:13","type":"rich","author_url":"https://blog.hatena.ne.jp/HTN20190109/","title":"\u30c7\u30fc\u30bf\u5727\u7e2e\u30b5\u30a4\u30ba\u898b\u7a4d","blog_url":"https://htn20190109.hatenablog.com/","author_name":"HTN20190109","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F12%2F03%2F020113\" title=\"\u30c7\u30fc\u30bf\u5727\u7e2e\u30b5\u30a4\u30ba\u898b\u7a4d - 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>","url":"https://htn20190109.hatenablog.com/entry/2021/12/03/020113","categories":["DB"],"image_url":null,"provider_name":"Hatena Blog","blog_title":"HTN20190109\u306e\u65e5\u8a18","description":"MySQL (8.0.27) \u8abf\u3079\u305f\u9650\u308a\u3001\u5727\u7e2e\u30b5\u30a4\u30ba\u898b\u7a4d\u6a5f\u80fd\u306f\u306a\u3044\u6a21\u69d8 Oracle (19c)https://blogs.oracle.com/otnjp/post/shibacho-014 -- 1. \u975e\u5727\u7e2e\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210 drop table tab1 purge;create table tab1 (col1 int, col2 date, col3 varchar2(100) ); -- 1.1 \u30e9\u30f3\u30c0\u30e0\u30c7\u30fc\u30bf\u306e\u5834\u5408 insert into tab1 select floor(dbms_random.value(1, 1000001) ) ,to_date('20010101','yy\u2026"}