> Thanks Roger
> That fixed the problem.....I was under the impression that I only had to
> the linked columns n the ON and everything else in the WHERE....live an
> learn I guess.
Ehm, I'm not completely sure, but isn't this invalid behaviour? Can you post
the DDL and INSERT INTO data for these tables?
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
> > * Rory McKinley
> > [...]
> > > SELECT a.line_number, a.category_value, IFNULL(b.parameter_trigger, 0)
> > > FROM DB1.Table 1 AS a LEFT JOIN DB2.Table 2 AS b ON
> > > a.category_name = b.parameter_value
> > > WHERE a.line_type = 13 AND b.parameter_ID = 13
> > >
> > > The only problem is that the query only returns the first two
> > > records and not the third record - contrary to my expectations. I
> > > am using MySQL 4.0.15-standard together with PHPMyAdmin 2.5.3.
> > >
> > > Does anybody know what I am doing wrong?
> > You have a criteria on the B table in the WHERE clause. Move it to the
> > clause:
> > SELECT ... AS b ON
> > a.category_name = b.parameter_value AND
> > b.parameter_ID = 13
> > WHERE a.line_type = 13
> > --
> > Roger