Thread: Re: Newbie question: How to check how many tables avaliable at that database?
Re: Newbie question: How to check how many tables avaliable at that database?
From
Nils Zonneveld
Date:
Carfield Yim wrote: > > I am a new user of PostgreSQL dbms, how can I check how many tables > avaliable at that database? To get a list of tables through SQL: SELECT tablename FROM pg_tables WHERE tablename NOT LIKE 'pg_%' ORDER BY tablename; To get the number of tables through SQL: SELECT count(*) FROM pg_tables WHERE tablename NOT LIKE 'pg_%'; HTH, Nils Zonneveld
Re: Re: Newbie question: How to check how many tables avaliable at that database?
From
will trillich
Date:
On Wed, Jun 13, 2001 at 07:25:46PM +0200, Nils Zonneveld wrote: > > > Carfield Yim wrote: > > > > I am a new user of PostgreSQL dbms, how can I check how many tables > > avaliable at that database? > > To get a list of tables through SQL: > > SELECT tablename FROM pg_tables WHERE tablename NOT LIKE 'pg_%' ORDER BY tablename; > > To get the number of tables through SQL: > > SELECT count(*) FROM pg_tables WHERE tablename NOT LIKE 'pg_%'; to learn more of these tricks, start 'psql' with '-E' as in psql -E mydatabasenamehere then when you give any '\d' command you'll see the sql behind the scenes that does the work. also try '\?' for more info on using psql. -- I figure: if a man's gonna gamble, may as well do it without plowing. -- Bama Dillert, "Some Came Running" will@serensoft.com http://sourceforge.net/projects/newbiedoc -- we need your brain! http://www.dontUthink.com/ -- your brain needs us!