SELECT max(count) from tmpprono2R1 = 2.5REQ DCOUNT : select distinct(count) from tmpprono2 order by count desc limit 0,2
REQ COUNT : SELECT count(*) as nb from tmpprono2 where count IN (8, 7)VAL V : 1258
1 : FACTROW 1 = 2.45
GAIN 1 ( 4082.1 ) = 6 * 680
FACTROW 2 = 0.73013375513376
GAIN 2 ( 918.50826395826 ) = 7 * 131