Connect as DBA. [oracle@orcl ~]$ sql / as sysdba Disconnect all users. Shutdown and startup mount (!Caution). SQL> SHTDOWN IMMEDIATE Database closed. Database dismounted. ORACLE instance shut down. SQL> STARTUP MOUNT ORACLE instance star...
Check Status and Parameters. Shutdown and startup mount (!Caution). [oracle@orcl ~]$ sqlplus / as sysdba SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount ORACLE instance started. ...
