Why certain functional dependencies are called trivial functional dependencies?
Answer to relevant QuestionsList all functional dependencies satisfied by the relation of Figure.Use Armstrong’s axioms to prove the soundness of the decomposition rule.Show that the following decomposition of the schema R of Exercise 7.2 is not loss less-join decomposition:(A, B, C)(C, D, E).Give a lossless-join, dependency-preserving decomposition into 3NF of schema R of Exercise 7.2.A car-rental company maintains a vehicle database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer,model, date of purchase, and color. ...
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