Re: SQL query not returning the value expected !!!!!!!!!!!!!!!!!!

On Mon, 10 Nov 2003, Najib Abi Fadel wrote:

> Hi if you take a look at the following query's you can see that the
> third query should logically return 043219 but instead it's not
> returning any rows ?? What's happening ??????????????

Are there any NULLs in parcours_v.cod_etu?  NOT IN works oddly when
combined with NULLs.