October 8, 2023
Question 17 Consider the following two statements about database transaction schedules: I. Strict two-phase locking protocol generates conflict serializable schedules that are also recoverable. II. Timestamp-ordering […]
October 9, 2023
Question 46 Consider the relation examinee (regno, name, score), where regno is the primary key to score is a real number. (a) Write a relational algebra […]
October 9, 2023
Question 46 Consider the relation examinee (regno, name, score), where regno is the primary key to score is a real number. (a) Write a relational algebra […]
October 9, 2023
Question 4 Identify the incorrect statement(s). A A candidate key is minimal set of one or more attributes that, taken collectively, allows us to uniquely identify […]
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