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how to know whether oracle is installed or not? [message #313815]

Mon, 14 April 2008 13:30

soujanya_srk
Messages: 111
Registered: November 2006
Location: HYDERABAD

Senior Member

can anyone please tell me how to know whether oracle
is installed in unix?

what is the path to check if oracle is installed or not?

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Re: how to know whether oracle is installed or not? [message #313816 is a reply to message #313815]

Mon, 14 April 2008 13:32

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

find / -name oracle -ls

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Re: how to know whether oracle is installed or not? [message #313983 is a reply to message #313816]

Tue, 15 April 2008 06:56

Frank Naude
Messages: 4596
Registered: April 1998

Senior Member

Check for an "oracle" user and "dba" group:
$ grep oracle /etc/passwd; grep dba /etc/group

Check if any Oracle processes are running:
$ ps -ef | grep ora

If all else fails, ask the DBA.

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Re: how to know whether oracle is installed or not? [message #313987 is a reply to message #313983]

Tue, 15 April 2008 07:02

Michel Cadot
Messages: 68776
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

Oracle owner may not be named "oracle".
SYSDBA OS group may not be named "dba".

I think Ana's answer is the best one.

Regards
Michel

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Re: how to know whether oracle is installed or not? [message #314000 is a reply to message #313987]

Tue, 15 April 2008 08:11

Frank Naude
Messages: 4596
Registered: April 1998

Senior Member

Thanks Michel! I was adding to Ana's answer - not trying to provide a better answer. Since when is this a competition anyway?

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Re: how to know whether oracle is installed or not? [message #314002 is a reply to message #314000]

Tue, 15 April 2008 08:27

Michel Cadot
Messages: 68776
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

Sorry, I didn't mean this.
"More reliable way to get the answer" might be a better Smile

way to say what I meant.

Regards
Michel

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Re: how to know whether oracle is installed or not? [message #314005 is a reply to message #314002]

Tue, 15 April 2008 08:36

Frank Naude
Messages: 4596
Registered: April 1998

Senior Member

Neither solution is 100% "reliable". For example, a client-only install will not have an "oracle" executable.

One should use a combination of the above (and possibly some other) techniques and hope for the best.

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