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October 11, 2023

Database-Management-System

Question 29 For the schedule given below, which of the following is Correct? 1 Read A 2 Read B 3 Write A 4 Read A 5 […]
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October 12, 2023

Database-Management-System

Question 102 Let r be a relation instance with schema R = (A, B, C, D). We define r1 = ΠA,B,C(R) and r2 = ΠA,D(R). Let s = […]
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October 12, 2023

UGC NET JRF November 2020 Paper-2

Question 22 The process of removing details from a given state representative is called___. A Extraction B Mining C Selection D Abstraction Database-Management-SystemData-ware-housing Question 22 Explanation:  […]
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October 12, 2023

Database-Management-System

Question 181 Let R (A, B, C, D) be a relational schema with the following functional dependencies: A → B, B → C, C → D […]
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