oracle error- ORA-00720: ALTER DATABASE RESET COMPATIBILITY command has been de-supported

Oracle error

ORA-00720: ALTER DATABASE RESET COMPATIBILITY command has been de-supported

Cause: ALTER DATABASE RESET COMPATIBILITY command has been de-supported since Oracle 10i.

Action: No action required

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oracle error- ORA-00712: cannot rename system tablespace

Oracle error

ORA-00712: cannot rename system tablespace

Cause: An attempt to rename the system tablespace failed.

Action: No action required.

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Oracle error

ORA-00711: new tablespace name is invalid

Cause: An attempt to rename a tablespace failed because the new name is invalid.

Action: Choose a valid new name and retry the command.