What are five main functions of a database administrator?
Answer to relevant QuestionsList seven programming languages that are procedural and two that are nonprocedural. Which group is easier to learn and use? Explain your answer.Construct an E-R diagram for a car-insurance company whose customers own one or more cars each. Each car has associated with it zero to any number of recorded accidents.Explain the difference between a weak and a strong entity set. Consider the representation of a ternary relationship using binary relationships as described in Section 2.4.3 (shown in Figure b)a. Show a simple instance of E, A, B, C, RA, RB, and RC that cannot correspond to any instance ...Reconsider the situation described for Exercise 2.26 under the assumption that one bank is in the United States and the other is in Canada. As before, the banks use the schema of Figure, except that the Canadian bank uses ...
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