Define variable to use with IN operator (T-SQL)

Question

I have a Transact-SQL query that uses the IN operator. Something like this:

select * from myTable where myColumn in (1,2,3,4)

Is there a way to define a variable to hold the entire list "(1,2,3,4)"? How should I define it?

declare @myList {data type}

set @myList = (1,2,3,4)

select * from myTable where myColumn in @myList

Answer 1

Try using the below code:

DECLARE @MyList TABLE (Value INT)

INSERT INTO @MyList VALUES (1)

INSERT INTO @MyList VALUES (2)

INSERT INTO @MyList VALUES (3)

INSERT INTO @MyList VALUES (4)

SELECT *

FROM MyTable

WHERE MyColumn IN (SELECT Value FROM @MyList)