querying PostgreSQL version? - Mailing list pgsql-general

Hello.
 
Is there any way to check the version of PostgreSQL by a query? Maybe by querying catalog tables?
Thanks,
 
Zlatko

pgsql-general by date:

Previous
From: Bruce Momjian
Date:
Subject: Re: Win32 libpq and ecpg thread safety
Next
From: "Jared Evans"
Date:
Subject: Re: Quickly calculating row size of a table?