GateQA — Free GATE CS Previous Year Questions & Mock Tests

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GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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Databases

GATE CSE 2010 | Question: 19

Subject: Databases
Paper: 2010
A relational schema for a train reservation database is given below. passenger(pid, pname, age) reservation(pid, class, tid) $$\overset{\text{Passenger}}{\begin{array}{|c|c|c|}\hl…
Answer: C

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