解决ERROR 1231 (42000): Variable 'time_zone' can't解决mysql 数据库在迁移或还原数据过程中出现的如下报错：ERROR1231(42000):Variable'time_zone'can'tbesettothevalueof'NULL'ERROR1231(42000):Variabl

MySQL 5.5 报错"ERROR 1075 (42000): Incorrect table definition"--给表增加自增字段的时候报错

mysql> desc t7;
+-------+-------------+------+-----+---------+-------+
| Field | Type| Null | Key | Default | Extra |
+-------

ERROR 1044 (42000): Access denied for user 'root'@'%' to database-- 2014.12.10 昨天根据开发的需要，创建了几个用户，但是在授权的时候报错：ERROR 1044 (42000): Access denied for user 'root'@'%' to database 'mdm'在网上搜了一下，大概有以