Re: find the number of row for each tables
Patrick Coulombe <11h11@videotron.ca>
From: Patrick Coulombe <11h11@videotron.ca>
To: pgsql-novice@postgresql.org
Date: 2000-06-14T15:36:04Z
Lists: pgsql-novice
> Try simply SELECT * from friends; ??? Not working... I just want to know if it's possible to know how many rows the query return for each table when i do a query with two table ie: select * from table1, table2 where... can i know the number of row for table1 and the number of row for table2 without do 2 querys. thank you hope to be more clear this time patrick > On Tue, 13 Jun 2000, Patrick Coulombe wrote: > > > hi, > > here's the question : if I do this query on my database : > > > > SELECT * from friends, strangers WHERE friends.f_id = strangers.s_id AND > > friends.categorie = 1 > > ---------- > > 88 rows > > > > and I need to do this query to know how many rows just for my table friends > > (not both table) : > > > > SELECT * from friends WHERE friends.f_id = strangers.s_id AND > > friends.categorie = 1 > > ---------- > > 80 rows > > > > > > Can I just do 1 query and be able to find the number of row for each tables? > > Hope to be understand... > > > > Patrick