ORA-30508: client logon triggers cannot have BEFORE type

文档解释

ORA-30508: client logon triggers cannot have BEFORE type

Cause: An attempt was made to create a trigger that fires before logon. This type of trigger is not supported.

Action: Do not attempt to create a trigger that fires before logon.

ORA-30508：客户端登录触发器不能有BEFORE类型。

官方解释

常见案例

一般处理方法及步骤

1.检查客户端登录触发器是否包含BEFORE类型的代码。

2.如果是，将BEFORE类型的代码从客户端登录触发器中删除，然后再次运行创建或修改语句。

3.确保客户端登录触发器中允许使用INSTEAD OF类型。