Hello,
Make inner query as following way to get SUM of two field based on Minimum Date
SELECT CONVERT(Varchar(20),MIN(START_DATETIME),114) as MinimumTime,
(SELECT PARM1 + PARM2 from TABLE1 as intbl where CONVERT(Varchar(20),intbl.START_DATETIME,114) = CONVERT(Varchar(20),MIN(outtbl.START_DATETIME),114))
FROM TABLE1 as outtbl
WHERE
NAME='CPF' AND
CONVERT(Varchar(10),START_DATETIME,102) between CONVERT(Varchar(10),CAST('5/8/2012' as DateTime),102)
and CONVERT(Varchar(10),CAST('5/8/2012' as DateTime),102)
Hope this helpful!
Thanks