oracle error- ORA-01091: failure during startup force

Oracle error

ORA-01091: failure during startup force

Cause: Unable to destroy the old SGA.

Action: Manually remove the old SGA and reissue the STARTUP command

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oracle error- ORA-01090: shutdown in progress - connection is not permitted

Oracle error

ORA-01090: shutdown in progress - connection is not permitted

Cause: The SHUTDOWN command was used to shut down a running ORACLE instance, so you cannot connect to ORACLE.

Action: Wait for the instance to be restarted, or contact your DBA.

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oracle error- ORA-01089: immediate shutdown in progress - no operations are permitted

Oracle error

ORA-01089: immediate shutdown in progress - no operations are permitted

Cause: The SHUTDOWN IMMEDIATE command was used to shut down a running ORACLE instance, so your operations have been terminated.

Action: Wait for the instance to be restarted, or contact your DBA.

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