August 29, 2024
Question 62 When transaction T i requests a data item currently held by T j , T j is allowed to wait only if it has […]
August 29, 2024
Question 722 Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R. It will A result in […]
August 29, 2024
Question 726 Given an instance of the relation R(ABCD). Which of the following functional dependencies hold? A {AB} → D and D → A B {AB […]
August 29, 2024
Question 727 Which of the following statements is incorrect? A Data definition languages is used by DBA and database designers to define schemas B Storage definition […]
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