Use tuple relational calculus for the following problems Relational Model Motel(mID, mName, city) Guest(gNum, gName, gAddress)...

Use tuple relational calculus for the following problems

Relational Model

Motel(mID, mName, city)

Guest(gNum, gName, gAddress)

Room(mID, roomNum, price)

Books(gId, mId, roomNum, startDate, endDate)

a)Select motels with at least 1 room with price > $500.

b) Select the motel that has the most inexpensive room.

c) Select guests who've booked a room in every motel.

Solutions

Expert Solution

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venereology answered 1 year ago

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