List the three design goals for relational databases, and explain why each is desirable.
Answer to relevant QuestionsGive a loss less-join decomposition into BCNF of schema R of Exercise 7.2.A functional dependency α → β is called a partial dependency if there is a proper subset γ of α such that γ → β.We says that β is partially dependent on α. A relation ...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. ...Explain how a persistent pointer is implemented. Contrast this implementation with that of pointers as they exist in general-purpose languages, such as C or Pascal.Give an SQL: 1999 schema definition of the E-R diagram in Figure below, which containsspecializations.
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