Re: [SQL] getting a query column to return 0 if nothing matches

2006-01-03 Thread Michael Fuhr
On Tue, Jan 03, 2006 at 02:15:25PM -0800, Dan Tenenbaum wrote: > I want to show all rows where the first part of the WHERE clause is true, > regardless of whether the provider_key is in the login_provider table (in > that cause, I want to show 0 in that column). Sounds like you're looking for an o

[SQL] getting a query column to return 0 if nothing matches

2006-01-03 Thread Dan Tenenbaum
I have a query like this (this one is simplified to illustrate my question): select     l.email, p.practice_name, count(lp.provider_key) as patient_count from     login l, provider p, login_provider lp where     p.login_key = l.id and     lp.provider_key = p.provider_key group by