文档解释 ORA-30516: database role change triggers cannot have BEFORE type Cause: An attempt was made to create a trigger that fires before the role ……

文档解释 ORA-30507: normal triggers cannot be based on a schema or a database Cause: An attempt was made to base a normal trigger on a schema or a d……

文档解释 ORA-30513: cannot create system triggers of INSTEAD OF type Cause: Only BEFORE or AFTER triggers can be created on system events. Action: C……

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 ……

文档解释 ORA-30503: system triggers cannot have a REFERENCING clause Cause: An attempt was made to use a REFERENCING clause with a system trigger, b……

文档解释 ORA-30506: system triggers cannot be based on tables or views Cause: An attempt was made to base a system trigger on a table or a view. Act……

文档解释 ORA-25033: triggers cannot be executed at this time Cause: An attempt was made to execute a trigger when the session was almost finished. A……

文档解释 ORA-30510: system triggers cannot be defined on the schema of SYS user Cause: An attempt was made to define a system trigger on the schema ……

文档解释 ORA-25002: cannot create INSTEAD OF triggers on tables Cause: Only BEFORE or AFTER triggers can be created on a table. Action: Change the t……

文档解释 ORA-30515: suspend triggers cannot have BEFORE type Cause: An attempt was made to create a trigger that fires before execution suspended. T……