'In' clause in SQL server with multiple columns

Normally you can not do it, but can use the following technique.

SELECT * FROM <table_name> 
where (value_type+'/'+CODE1) IN (('I'+'/'+'COMM'),('I'+'/'+'CORE'));

This syntax doesn't exist in SQL Server. Use a combination of And and Or.

SELECT * 
FROM <table_name> 
WHERE 
  (value_type = 1 and CODE1 = 'COMM')
  OR (value_type = 1 and CODE1 = 'CORE') 

(In this case, you could make it shorter, because value_type is compared to the same value in both combinations. I just wanted to show the pattern that works like IN in oracle with multiple fields.)

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When using IN with a subquery, you need to rephrase it like this:

Oracle:

SELECT * 
FROM foo 
WHERE 
  (value_type, CODE1) IN (
    SELECT type, code 
    FROM bar
    WHERE <some conditions>)

SQL Server:

SELECT * 
FROM foo 
WHERE 
  EXISTS (
    SELECT * 
    FROM bar 
    WHERE <some conditions>
      AND foo.type_code = bar.type 
      AND foo.CODE1 = bar.code)

There are other ways to do it, depending on the case, like inner joins and the like.