explain the theta-join and equijoinrefer tables, Database Management System

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explain the theta-join and equijoinrefer tables

Explain the θ-join and equijoin

Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but she doesn't wish to spend more money for the boat as compared to for the car. The θ -join on the relation CarPrice > BoatPrice generates a table with all the probable options. If the condition employs equality operator then it is also termed as equijoin.

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