连接错误(Connection Error)
错误示例:Can't connect to MySQL server on 'localhost' (10061)
解决方法:
bind-address
设置正确。访问被拒绝(Access Denied)
错误示例:ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
解决方法:
数据库不存在(Database Not Found)
错误示例:ERROR 1049 (42000): Unknown database 'mydb'
解决方法:
表不存在(Table Not Found)
错误示例:ERROR 1146 (42S02): Table 'mydb.mytable' doesn't exist
解决方法:
语法错误(Syntax Error)
错误示例:ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'LIMIT 10' at line 1
解决方法:
字段不存在(Column Not Found)
错误示例:ERROR 1054 (42S22): Unknown column 'mycolumn' in 'field list'
解决方法:
数据类型不匹配(Data Type Mismatch)
错误示例:ERROR 1366 (HY000): Incorrect integer value: 'abc' for column 'mycolumn' at row 1
解决方法:
主键或唯一约束冲突(Primary Key or Unique Constraint Violation)
错误示例:ERROR 1062 (23000): Duplicate entry '1' for key 'PRIMARY'
解决方法:
外键约束冲突(Foreign Key Constraint Violation)
错误示例:ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails
解决方法:
存储引擎不支持的功能(Storage Engine Feature Not Supported)
错误示例:ERROR 1286 (HY000): Unknown storage engine 'InnoDB'
解决方法:
这些只是一些常见的MySQL错误及其解决方法。根据实际情况,可能需要采取其他措施来解决问题。在处理问题时,请务必参考MySQL官方文档以获取最准确的信息。