Group By value RAND()

Question

It\'s possible get a random value of the group by?

----------------
 nID |  val
---------------
  A  |   XXX
  A  |   YYY
  B  |   L
  B  |   M
  B  |   N
           


        

Answer 1

Try This

SELECT nID, VAL
FROM (select nID, VAL from T1 order by rand()) as T
group by nID