Martin Marques <[EMAIL PROTECTED]> writes:
> I need to know if there is at least one row in the relation that comes from a
> determinated query. Which is the best way to do this:
> (a) Build the query with "SELECT * ..." and after executing the query see if
> numRows()>0
> (b) Build the query wi
O Martin Marques έγραψε στις Sep 28, 2004 :
> I have a bunch of queries in a system I'm finishing, and I bumped with a
> question on performace.
> Which is the best way to solve this:
>
> I need to know if there is at least one row in the relation that comes from a
> determinated query. Which i
I have a bunch of queries in a system I'm finishing, and I bumped with a
question on performace.
Which is the best way to solve this:
I need to know if there is at least one row in the relation that comes from a
determinated query. Which is the best way to do this:
(a) Build the query with "SEL
