mysqldump: Couldn‘t execute ‘SELECT COLUMN_NAME, JSON_EXTRACT(HISTOGRAM,
mysqldump 导出提示Couldn’t execute SELECT CO...
ERROR 1840 (HY000) at line 24: @@GLOBAL.GTID_PURGED can only be set when @@GLOBAL.GTID_EXECUTED is empty.
解决方法： root登录mysql后 重置 master 即可 root@localhost...
MySQL mysqldump 时出现Warning:Using a password on the command line interface can be insecure
1.针对mysql: mysql -u root -pPASSWORD改成mysql -u ...
