文档解释 ORA-30505: system triggers should not reference a column in a WHEN clause Cause: An attempt was made to use a WHEN
ORA-30505: system triggers should not reference a column in a WHEN clause
Cause: An attempt was made to use a WHEN clause to reference a column with a system trigger, but this type of trigger is not supported because a system trigger does not have a base table.
Action: Change the WHEN clause to an appropriate clause.
>ORA-30505: system triggers should not reference a column in a WHEN clause错误表明在使用触发器时，不应该在WHEN子句中引用表中列。
– 确保触发器不在WHEN子句中引用列
– 在触发器WHEN子句中使用if条件语句而不是列
– 确保在触发器中使用的完全限定的表别名
– 检查触发器的定义，检查是否有不允许的列访问
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本文标题: ORA-30505: system triggers should not reference a column in a WHEN clause ORACLE 报错 故障修复 远程处理
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