我收到了Wordpress WP-DBManager插件的错误:
MYSQL dump path does NOT exist. Please check your mysqldump path under DB Options.
If uncertain, contact your server administrator.
MYSQL path does NOT exist. Please check your mysql path under DB Options.
If uncertain, contact your server administrator.
IT服务器管理员不
这是用于InnoDB和MySQL 5.7的。
我有4组相关的级联查询:
SELECT DISTINCT A, COUNT(*) FROM MYTABLE
WHERE D IN ? AND A > ?
GROUP BY A ORDER BY A LIMIT 100
SELECT DISTINCT B, COUNT(*) FROM MYTABLE
WHERE A = ? AND D IN ? AND B > ?
GROUP BY B ORDER BY B LIMIT 100
SELECT DISTINCT C, COUNT(*) FROM MYTAB