Subject | Re: [ib-support] select max(id) |
---|---|
Author | Helen Borrie |
Post date | 2002-05-07T12:46:41Z |
At 02:20 PM 07-05-02 +0200, you wrote:
quick result from MAX().
--- H
All for Open and Open for All
Firebird Open SQL Database · http://firebirdsql.org ·
http://users.tpg.com.au/helebor/
_______________________________________________________
>why is that a select max(id) from XX where id is the primary key on XXYes, but it is an ascending index. Create a descending one if you want a
>makes the query read the whole table? Isn't there a implicit index if
>you declare a primary key?
quick result from MAX().
--- H
All for Open and Open for All
Firebird Open SQL Database · http://firebirdsql.org ·
http://users.tpg.com.au/helebor/
_______________________________________________________