{"version":"1.0","author_url":"https://blog.hatena.ne.jp/HTN20190109/","height":"190","description":"Oracle --\u30d2\u30f3\u30c8\u53e5select /*+ parallel(2) */A.*from tab1 A inner join tab1 Bon A.col1 = B.col1; --\u30bb\u30c3\u30b7\u30e7\u30f3\u5909\u66f4ALTER SESSION FORCE PARALLEL QUERY;select A.*from tab1 A inner join tab1 Bon A.col1 = B.col1; --\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9create table tab21(col1 int) parallel 4;insert into tab21 values(123);commit;select * from tab21; -\u2026","url":"https://htn20190109.hatenablog.com/entry/2019/04/08/001314","title":"\u30d1\u30e9\u30ec\u30eb\u5b9f\u884c","categories":["DB"],"width":"100%","provider_name":"Hatena Blog","type":"rich","author_name":"HTN20190109","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F04%2F08%2F001314\" title=\"\u30d1\u30e9\u30ec\u30eb\u5b9f\u884c - 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>","published":"2019-04-08 00:13:14","blog_title":"HTN20190109\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","blog_url":"https://htn20190109.hatenablog.com/","image_url":null}