Here’s how I solved it: Working SQL Fiddle
First I have create a function which splits the string value i.e. '1,2,4,5'
Split function:
CREATE FUNCTION fn_Split(@text varchar(8000), @delimiter varchar(20) = ' ')
RETURNS @Strings TABLE
(
position int IDENTITY PRIMARY KEY,
value varchar(8000)
)
AS
BEGIN
DECLARE @index int
SET @index = -1
WHILE (LEN(@text) > 0)
BEGIN
SET @index = CHARINDEX(@delimiter , @text)
IF (@index = 0) AND (LEN(@text) > 0)
BEGIN
INSERT INTO @Strings VALUES (@text)
BREAK
END
IF (@index > 1)
BEGIN
INSERT INTO @Strings VALUES (LEFT(@text, @index - 1))
SET @text = RIGHT(@text, (LEN(@text) - @index))
END
ELSE
SET @text = RIGHT(@text, (LEN(@text) - @index))
END
RETURN
END
Later in my query I use that split function
declare @startdate1 varchar(100) ='20120201'
declare @enddate1 varchar(100)='20130601'
declare @dptId varchar(100)='3,4'
select * from dummy
where DateJoining >=@startdate1 and DateJoining < @enddate1
and departmentID IN (SELECT Value FROM fn_Split(@dptId, ','));