Please help me to deal with the following problem (at least in SQL):
Find all drinkers who frequent a bar that serves at least 2 beers they like , and one of them for at most 2$.
LIKES(drinker,beer)
FREQUENTS(drinker, bar)
SERVES(bar,beer,cost)
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Please help me to deal with the following problem (at least in SQL):
Find all drinkers who frequent a bar that serves at least 2 beers they like , and one of them for at most 2$.
LIKES(drinker,beer)
FREQUENTS(drinker, bar)
SERVES(bar,beer,cost)
Please do not double post. Continued here: http://forums.databasejournal.com/sh...ad.php?t=52884