in reply to Re: array of arrays calculationsin thread array of arrays calculations
h.gd1-ifnull(t.gd1,0) as dif1,
h.gd2-ifnull(t.gd2,0) as dif2
FROM tabla1 h
left join tabla2 t on h.e_id = t.e_id and h.cus = t.cus;
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
Results (306 votes). Check out past polls.