Friday, 18 January 2013

Shutting down database instance | Oracle DBA Tutorial pdf

Shutting down database instance

SQL> SHUTDOWN NORMAL or simply SQL> SHUTDOWN
Waits for all database users to disconnect then closes database.
SQL> SHUTDOWN IMMEDIATE
Terminates all user connections, rolls back uncommitted transactions, closes database.
SQL> SHUTDOWN TRANSACTIONAL
Waits for all transactions to commit or roll back, then closes database.
SQL> SHUTDOWN ABORT
Immediately closes database leaving it in inconsistent state. SMON automatically performs instance recovery during next startup.

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