aklaver@comcast.net (Adrian Klaver) writes:
> From: "Alain Roger" <raf.news@gmail.com>
>> once to do a comparison they use :
> IF (ret == 1) THEN ...
>> once,
> IF (ret = 1) THEN...
> Both are correct.
No they're not, as a simple test would convince you ...
there is no '==' operator in SQL.
regards, tom lane