文档解释
ORA-41674: dmlevents policy allowed only for event structures with table aliases
Cause: An attempt was made to use the dmlevents policy for an event structure with no table alias constructs.
Action: Correct the rule class properties and try again.
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ORA-41674: dmlevents policy allowed only for event structures with table aliases 错误是Oracle 数据库的一个错误代码,指的是用户在使用“dmlevents”事件结构时缺少表别名(alias)导致的。
官方解释
This error is raised when attempting to define events for an event structure using dmlevents policy when no table aliases are specified. Oracle requires the use of table aliases when using the dmlevents policy option.
常见案例
当一个用户试图在使用“dmlevents” 事件结构时定义事件而没有指定表别名时,就会出现ORA-41674: dmlevents policy allowed only for event structures with table aliases 错误。
一般处理方法及步骤
1.检查是否指定了表别名(alias)。
2.如果没有指定,则必须指定表别名(alias),否则会出现ORA-41674: dmlevents policy allowed only for event structures with table aliases错误。
3.指定表别名(alias)之前应先检查事件名称,保证每个表只有一个独特的别名。
4.完成之后,用户应将更改保存至数据库中,以正确处理事件请求。