SQL Server: How can I use the COUNT clause without GROUPing?

Question

I\'m looking get two things from a query, given a set of contraints:

• The first match
• The total number of matches

I can get the first ma

Answer 1

Well, you can use OVER clause, which is an window function.

SELECT  TOP (1)
    OrderID, CustID, EmpID,
    COUNT(*) OVER() AS MatchCount
FROM    Sales.Orders
WHERE   OrderID % 2 = 1
ORDER BY OrderID DESC