{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2023%2F05%2F08%2F230103\" title=\"\u6700\u5927\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6570 - 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>","version":"1.0","image_url":null,"url":"https://htn20190109.hatenablog.com/entry/2023/05/08/230103","published":"2023-05-08 23:01:03","description":"MySQL 64Oracle \u7121\u5236\u9650PostgreSQL \u7121\u5236\u9650SQL Server 999 MySQL (8.0.32)https://dev.mysql.com/doc/refman/8.0/en/innodb-limits.html 64 secondary indexes 1017\u30ab\u30e9\u30e0\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210 : > a.sql for i in $(seq 1 65); do echo \"create index ind1_${i} on tab1(col${i});\" >> a.sqldone >> a.sql source a.sql ERROR 1069 (42000): Too m\u2026","blog_title":"HTN20190109\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/HTN20190109/","width":"100%","type":"rich","title":"\u6700\u5927\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6570","blog_url":"https://htn20190109.hatenablog.com/","height":"190","author_name":"HTN20190109","categories":["DB"]}