>>I have two tables - we'll call them Customer and Bill. A customer can have zero or many bills, and it is linked by the CustomerID. What I want to do is pull a customer by CustomerID and also pull their last bill only if it is within 30 days old. If there isn't a bill that fits that criteria, I want null value.
>>
>>Can I do this with a JOIN? Anybody have any advice on how to do the filtering in the JOIN statement?
>
>Try
>
>SELECT *
> FROM Customer c
> LEFT JOIN (SELECT TOP 1 FROM Bill b
> WHERE CustomerID = @CustomerID AND BillDate > ...
> ORDER BY BillDate DESC) bd on bd.CustomerID = c.CustomerID
> WHERE c.CustomerID = @CustomerID
>
You're the man, Sergey.
(I haven't tried it yet, but if you say it will work I'm sure it will ;-))