Shulou(Shulou.com)06/01 Report--

1. Shut down the database

[default orcl] sqlplus / nologconn sys/sys as sysdba;shutdown immediate;-- disable all instance lsnrctl stop

two。 The database instance that is closed separately cannot be started at present

[uu] sqlplus / nologconn sys/sys@uu as sysdba;shutdown immediate;-- close yourself, and you can't start after closing--! [uu2] sqlplus / nologconn sys/sys@uu2 as sysdba;shutdown immediate;-- close yourself, you can't start after shutting down!

3. Start the database

[session1] lsnrctl startsqlplus / nologconn sys/sys as sysdba;startup;-start all instances and start each instance separately to learn [session2] lsnrctl status

4. Check which instance is being used

SQL > select instance_name from vault instance

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