SQL: distinct on single field
Ivan Smahin
ivan_smahin at valentina-db.com
Wed Mar 22 10:35:03 CST 2006
Hello Heinrich,
Wednesday, March 22, 2006, 1:45:07 AM, you wrote:
> Hi to all,
> is it possible to use DISTINCT only on a single field instead of all
> selected fields?
> e.g.:
> id ProductCode Color
> 1 product_a red
> 2 product_a blue
> 3 product_b green
> SELECT DISTINCT ProductCode, Color, id FROM Products
->> all records are returned because id and color are different
> but I'd like to make only ProductCode DISTINCT to get only the first
> apperance of product_a
SELECT ProductCode, Color, id FROM Products Group By ProductCode
--
Best regards,
Ivan mailto:ivan_smahin ÎÁ valentina-db.com
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