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CREATE TABLE Table1 (`A` int, `B` int, `C` int) ; INSERT INTO Table1 (`A`, `B`, `C`) VALUES (2, 2, 3), (1, 2, 3), (2, 5, 6), (3, 5, 6) ;
SET @rownum:=0; select `A`, `B`, `C` from ( select *,row_number() over (partition by `B`, `C` order by rownum) rnk from ( select *,@rownum:=@rownum+1 AS rownum from Table1 ) T ) T where rnk = 1;
A
B
C
2
2
3
2
5
6