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DECLARE @TableA TABLE

(

EmployeeIDINT

,EmployeeLoginDateTimeDATETIME

,JobFunction VARCHAR(25)

)

INSERT @TableA

SELECT 123,'2012-02-01 01:00:24','Coding'

UNION ALL SELECT 123,'2012-02-01 3:00:00','Programming'

UNION ALL SELECT 123,'2012-02-01 5:00:00' ,'LogOut'

UNION ALL SELECT 234,'2012-02-01 01:00:24','Coding'

UNION ALL SELECT 234,'2012-02-01 3:00:00','Programming'

UNION ALL SELECT 234,'2012-02-01 5:00:00' ,'Coding'

SELECT EmployeeID

,EmployeeLoginDateTime

,JobFunction

FROM @TableA OutTab

WHERE NOT EXISTS ( SELECT 1 FROM @TableA InrTab

WHERE InrTab.JobFunction = 'LogOut'

AND InrTab.EmployeeID = OutTab.EmployeeID)