Then this?

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'

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

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

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

UNION ALL SELECT 234,'2012-02-03 5:00:00' ,'Coding'

UNION ALL SELECT 234,'2012-02-04 5:00:00' ,'Coding'

UNION ALL SELECT 234,'2012-02-04 7:00:00' ,'Logout'

UNION ALL SELECT 567,'2012-02-01 3:00:00','Programming'

UNION ALL SELECT 567,'2012-02-01 5:00:00' ,'LogOut'

UNION ALL SELECT 567,'2012-02-02 3:00:00','Programming'

UNION ALL SELECT 789,'2012-02-01 3:00:00','Programming'

SELECT EmployeeID

,CrsApp.EmployeeLoginDateTime

,'Missed LogOut' JobFunction

FROM @TableA OutTab

CROSS APPLY ( SELECT DATEADD(DD,DATEDIFF(DD,0,OutTab.EmployeeLoginDateTime),0) ) CrsApp (EmployeeLoginDateTime)

WHERE NOT EXISTS

( SELECT 1

FROM @TableA InrTab

WHERE InrTab.JobFunction = 'LogOut'

AND InrTab.EmployeeID = OutTab.EmployeeID

AND DATEADD(DD,DATEDIFF(DD, 0 ,InrTab.EmployeeLoginDateTime),0) = CrsApp.EmployeeLoginDateTime)

GROUP BY EmployeeID

,CrsApp.EmployeeLoginDateTime