Question: 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 S3
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
