Re: SELECT * FROM t where p or q;

frbn@efbs-seafrigo.fr wrote in message news:<3BF51764.8BEAC873@efbs-seafrigo.fr>...

> SELECT * FROM tab WHERE num = x OR num = y;
> 
> time: more than 10 mn !!!
> 
> num is an integer.

Parsers and optimizers don't always see what's _obvious_ to us.

Have you tried:

SELECT * from tab where num in (x,y);