Oracle Database Errors or Warnings from Error ORA-30509 to ORA-30551

SQLServerF1

ORA-30509: client logoff triggers cannot have AFTER type
Cause: An attempt was made to create a trigger that fires after logoff. This type of trigger is not supported.
Action: Do not attempt to create a trigger that fires after logoff.
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 of SYS user. This type of trigger is not supported currently.
Action: Do not attempt to create a system trigger defined on the schema of SYS user.
ORA-30511: invalid DDL operation in system triggers
Cause: An attempt was made to perform an invalid DDL operation in a system trigger. Most DDL operations currently are not supported in system triggers. The only currently supported DDL operations are table operations and ALTER?COMPILE operations.
Action: Remove invalid DDL operations in system triggers.

ORA-30512: cannot modify string.string more than once in a transaction
Cause: An attempt was made to modify an object more than once in a transaction. This error is usually caused by a DDL statement that fires a system trigger that tries to modify the same object. It can also happen when an attempt is made to perform more than one DDL operation on a queue table in the same transaction without issuing a commit between operations.
Action: Do not create system triggers that might modify an already modified object. Also, do not specify more than one DDL operation on a queue table in the same transaction.
ORA-30513: cannot create system triggers of INSTEAD OF type
Cause: Only BEFORE or AFTER triggers can be created on system events.
Action: Change the trigger type to BEFORE or AFTER.
ORA-30514: system trigger cannot modify tablespace being made read only
Cause: A beofre trigger tries to modify a tablespace which is being made READ ONLY as the part of DDL oepration
Action: Modify the trigger to avoid modifications to the objects in the same tablespace as the one which is being made read only, or use autonomous transactions to commit modifications

ORA-30515: suspend triggers cannot have BEFORE type
Cause: An attempt was made to create a trigger that fires before execution suspended. This type of trigger is not supported.
Action: Do not attempt to create a trigger that fires before execution suspended.
ORA-30516: database role change triggers cannot have BEFORE type
Cause: An attempt was made to create a trigger that fires before the role change completed. This type of trigger is not supported.
Action: Do not attempt to create a trigger that fires before the role change completes.
ORA-30550: index depends on a package/function spec/body which is not valid
Cause: the functional indexes depends on some invalid/non-existent package/function spec/body
Action: verify that all the package/functions which the index depends on exist and are valid
ORA-30551: The index depends on a package/type body which does not exist
Cause: the functional indexes depends on a package/type body which does not exist
Action: create the package/type body

Above are list of Oracle Database Errors or Warnings from Error ORA-30509 to ORA-30551 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database. Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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