MySQL升到5.7版本后,设置root密码时居然报: ERROR 1819 (HY000): Your password does not satisfy the current policy requirements 搜了下,5.7版本增加了密码强度检测,可以通过口令查看强度和相关信息: SHOW VARIABLES LIKE ‘validate_password%’; +————————————–+——–+ | Variable_name | Value | +————————————–+——–+ | validate_password_dictionary_file | | | validate_password_length | 8 | | … “MySQL 5.7 解除错误码1819的弱口令”