Re: how to get row number in select query

Hi, Lu Ying.

How do you define which row is #1 ? And #2 ?

E.g. Ordered by lname? Or gname...?

Best,
Oliveiros


----- Original Message ----- 
From: "Emi Lu" <emilu@encs.concordia.ca>
To: <pgsql-sql@postgresql.org>
Sent: Wednesday, January 26, 2011 4:11 PM
Subject: [SQL] how to get row number in select query


> Good morning,
> 
> For postgresql 8.3, what is the system method/key word to get row number 
> please?
> 
> E.g.,
> 
> ==================
> lname1 gname1
> lname2 gname2
> lname3 gname3
> ......
> 
> I'd like to get
> 
> 1  lname1   gname1
> 2  lname2   gname2
> 3  lname3   gname3
> 
> ... ...
> 
> Something like
> select row_number?, lname, gname from Table1;
> 
> Thanks a lot!
> 
> 
> --
> Lu Ying
> 
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