Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
Home -> Community -> Usenet -> c.d.o.misc -> Re: [student] BQFH
....SELECT MAX(SUBTOT) new_max
> FROM ( SELECT SUM(S.CONC_SEATS_SOLD)
> + SUM(S.ORD_SEATS_SOLD) SUBTOT
> FROM SCREENING S
> GROUP BY S.FILM_NO)) max_film,
In this case, there must be a corresponding film for the screening. I suppose it does, but it's worth mentioning.