{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://htn20190109.hatenablog.com/entry/2021/10/09/071030","description":"MySQL (8.0.22) \u8abf\u3079\u305f\u9650\u308a\u65b9\u6cd5\u306a\u3057 Oracle (19c) -- 1. \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u4f5c\u6210drop table tab1 purge;create table tab1(col1 int,col2 varchar2(2000) ); declarebeginfor i in 1..1000 loop insert into tab1 values(i,rpad('X',200,'X') ); commit;end loop;end;/ create index ind1 on tab1(col2);exec dbms_stats.gather_table_stats(user,'\u2026","published":"2021-10-09 07:10:30","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F10%2F09%2F071030\" title=\"\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u30d5\u30a1\u30af\u30bf - 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>","height":"190","blog_url":"https://htn20190109.hatenablog.com/","type":"rich","author_name":"HTN20190109","title":"\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u30d5\u30a1\u30af\u30bf","author_url":"https://blog.hatena.ne.jp/HTN20190109/","version":"1.0","categories":["DB"],"image_url":null,"width":"100%","blog_title":"HTN20190109\u306e\u65e5\u8a18"}