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October 5, 2023

Database-Management-System

Question 36 Given two union compatible relations R1(A,B) and R2(C,D), what is the result of the operation R1A = CAB = DR2? A R1 ∪ R2 B […]
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October 5, 2023

GATE 2019

Question 15 Which one of the following statements is NOT correct about the B+ tree data structure used for creating an index of a relational database […]
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October 6, 2023

UGC NET June-2019 CS Paper-2

Question 7 Which of the following key constraints is required for functioning of foreign key in the context of relational database? A Unique key B Primary […]
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October 6, 2023

Database-Management-System

Question 777 Consider the following sequence of two transactions on a bank account(A) with initial balance 20,000 that transfers 5,000 to another account (B) and then […]
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