Re: [PHP] Item in two db tables

2001-04-04 Thread Steve Werby
"bill" <[EMAIL PROTECTED]> wrote: > If I want to find a list of items in one table whose id does not appear > in another table, can that be done in one query? Absolutely. SELECT * FROM table_1 LEFT JOIN table_2 on table_2.id = table_1.id WHERE table_2.id IS NULL Read about LEFT JOINs in the man

Re: [PHP] Item in two db tables

2001-04-04 Thread Joe Sheble (Wizaerd)
I'm not 100% certain about this, but I believe you want to look at using a LEFT OUTER JOIN At 11:37 AM 4/4/01 -0400, bill wrote: >If I want to find a list of items in one table whose id does not appear >in another table, can that be done in one query? > >I can only figure it out if I use two que