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If you can also write the solution in actual Algebra form instead of Ascii it'd be appreciated! Consider a database with the following schema. LIKES
If you can also write the solution in actual Algebra form instead of Ascii it'd be appreciated!
Consider a database with the following schema. LIKES (drinker,beer); /* key: all columns*/ FREQUENTS(drinker.pub); /* key: all columns*/ SERVESC pub,beer cost); *key: (pub,beer)*/ Consider the following queries: 1. Find pubs that serve every beer that Joe likes 2. Find all drinkers who frequent a pub that serves at least 2 beers they like, and one of them for at most S3Step by Step Solution
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