SQL Select only rows with Minimum Value on a Column with Where Condition

Question

Table:

| id | productId | orderIndex | rejected |
------------------------------------------
| 1  |  1        |   0        |   1      |
| 2  |  1        |   1             


        

Answer 1

http://sqlfiddle.com/#!9/0196f/2

SELECT DISTINCT t.*
FROM table1 t
INNER JOIN (
SELECT productId, min(orderIndex) minIdx
FROM table1
WHERE rejected = 0
GROUP BY productId
  ) t1
ON t.productId = t1.productId
  AND t.orderIndex = t1.minIdx;