Question

I have one table vwuser. I want join this table with the table valued function fnuserrank(userID). So I need to cross apply with table valued function:

SELECT *
FROM vwuser AS a
CROSS APPLY fnuserrank(a.userid)

For each userID it generates multiple records. I only want the last record for each empid that does not have a Rank of Term(inated). How can I do this?

Data:

HistoryID empid  Rank  MonitorDate
1          A1     E1    2012-8-9
2          A1     E2    2012-9-12 
3          A1     Term  2012-10-13
4          A2     E3     2011-10-09
5          A2     TERM   2012-11-9 

From this 2nd record and 4th record must be selected.

Answer 1

In SQL Server 2005+ you can use this Common Table Expression (CTE) to determine the latest record by MonitorDate that doesn’t have a Rank of ‘Term’:

WITH EmployeeData AS
(
   SELECT *
      , ROW_NUMBER() OVER (PARTITION BY empId, ORDER BY MonitorDate DESC) AS RowNumber
   FROM vwuser AS a
   CROSS APPLY fnuserrank(a.userid)
   WHERE Rank != 'Term'
)
SELECT *
FROM EmployeeData AS ed
WHERE ed.RowNumber = 1;

Note: The statement before this CTE will need to end in a semi-colon. Because of this, I have seen many people write them like ;WITH EmployeeData AS...