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Oracle Not Available

:confused: We have Oracle 9i installed on Windows 2000 Server , It was working fine , suddenly when we log it is giving Oracle Not Available Shared Memory Realrm dose not exists.

When we try to log with sqlplus nolog
we get the SQL Prompt but when we connect to dba as
connect sys as sysdba

we get an error Message :- TNS: Unable to Connect to destination


If any one can help please

Thanks in Advance
Aug 29 '06 #1
1 3325
vssp
268 100+
Hai try this
Check the event for viewer to cross-check whether all the Oracle background (like PMON) have started successfully.. If so, then ur instance startup mode could be manual. For this you have 2 options :

1) drop and re-create service for the database in automatic mode => using Oradim
2)write a command line scipt to start the database from the SQL+ when running it


Try issuing the following commands..

sqlplus /nolog

connect / as sysdba

(just check whether it says "Connected to an idle instance")

shutdown immediate

startup

This will start the database..
Aug 29 '06 #2

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