CODEWITHSUNDEEP
sql-server-2008
johan
johan

Reputation: 6656

Grouping result set data in SQL Server

I have a stored procedure in which I would like to return a result set looking something like this:

id | student | term1 | term2

The problem is that the data isn't stored like this in the db. So the query will generate a result set looking something like this:

id | student | termNo | termValue
1  | lorem   | 1      | someValue
2  | ipsum   | 2      | anotherValue

Is there any simple way to convert this. The result sets is large, so I don't want to make several queries which would be the obvious solution.

Hope this is understandable =)

Upvotes: 0

Views: 128

Answers (1)

Lamak
Lamak

Reputation: 70638

Ok, based on your comment, you can do this:

SELECT  id, 
        student, 
        MIN(CASE WHEN termNo = 1 THEN termValue END) term1,
        MIN(CASE WHEN termNo = 2 THEN termValue END) term2,
        MIN(CASE WHEN termNo = 3 THEN termValue END) term3,
        MIN(CASE WHEN termNo = 4 THEN termValue END) term4
FROM YourTable
GROUP BY id, student

or

SELECT id, student, [1] AS Term1, [2] AS Term2, [3] AS Term3, [4] AS Term4
FROM YourTable T
PIVOT(MIN(termValue) FOR termNo IN ([1],[2],[3],[4])) AS PT

Upvotes: 3

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