Tuesday, May 24, 2011


I feel powerful executing the above command as a sysadmin 3=) While practicing on my own database for DBA625, I happened to close a session after thinking that zenit has once again frozen. As it turns out, closing session doesn't necessarily end all processes in my database. When I tried logging on again, I got this:

SQL> connect sys as sysdba
Enter password:
Connected to an idle instance.
SQL> startup
ORA-01012: not logged on
SQL> startup mount;
ORA-01012: not logged on

After some googling and deciding that I do not want to mess with resetting memory sizes, I came across "SHUTDOWN ABORT;" and it fixed all my problems.

ORACLE instance shut down.
ORACLE instance started.

Total System Global Area 631914496 bytes
Fixed Size 1338364 bytes
Variable Size 440402948 bytes
Database Buffers 184549376 bytes
Redo Buffers 5623808 bytes
Database mounted.
Database opened.

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