GATE CSE 2026 | Set 1 | DBMS | Memory Based | Question 21

Assume two relations $R(P,Q)$ and $S(X,Y)$.Consider the following TRC query:\[\{\,u \mid \exists v \exists w \ ((u,v) \in R \ \land\ (v,w) \in S)\,\}\]Which of the follow...

In the context of relational database normalization, which of the following statements are true?3NF lossless and dependency-preserving decomposition is always possible BC...

Let $R(P,Q,R,S)$ be a relation. Which of the following statements are true?If $(PQ \rightarrow R)$ then $(P \rightarrow Q)\ \text{or}\ (Q \rightarrow R)$ If $P \rightarro...

Consider a pipelined processor in which the execution (EX) stage is shared by all instructions. The execution stage takes different different time for different instruct...