Sql server max function for decimal value

Question

dear team
i have column which contains decimal value eg,
  QuestionMasterId  Studentid   Score
19                         1            9.01,
19                         2            9.02,
19                         3            9.35,
19                         4            8.04,
 i have to display the max score  - that student score but when i am using the following query it is returning the int value  
  DECLARE @MAX decimal
  SELECT @MAX=max(Score) from [QuestionPaperwiseScore] where QuestionMasterId=19 
  print @MAX
 select Studentid,Score,@MAX-Score as diff from [QuestionPaperwiseScore] where QuestionMasterId=19
kindly help

Answer 1

Take a look at
BOL again. The default scale is 0. Thus it behaves like an INT.
DECLARE @Sample TABLE
QuestionMasterId INT ,
Studentid INT ,
Score DECIMAL(3, 2)
INSERT INTO @Sample
VALUES ( 19, 1, 9.01 ),
( 19, 2, 9.02 ),
( 19, 3, 9.35 ),
( 19, 4, 8.04 );
DECLARE @MAX DECIMAL(3,2);
SELECT @MAX = MAX(Score)
FROM @Sample
WHERE QuestionMasterId = 19
SELECT @MAX;
SELECT Studentid ,
Score ,
@MAX - Score AS diff
FROM @Sample
WHERE QuestionMasterId = 19