SQL Queries & Subqueries MCQs

MCQs on nested subqueries, correlated queries, EXISTS, and IN operators.

1 MCQsSubtopic of SQLProgrammingAll Levels

Subtopic Focus & Conceptual Depth

Deep-dive into Queries & Subqueries principles within SQL. These targeted questions evaluate edge-cases, common pitfalls, and interview problem patterns.

Skill Level

Focused Subtopic Mastery

Explanation Depth

Code Snippets & Analysis

Exam Scope

Campus Hiring & GATE CS

Other SQL Subtopics

All SQL MCQsQueries & SubqueriesJoins

Queries & Subqueries MCQ Questions

Page 1 of 1 (1 total)

Which SQL operator returns true if a subquery returns at least one row?

medium

Correct Answer: EXISTS

Explanation:

The EXISTS operator tests for the existence of any record in a subquery and returns true as soon as the first matching row is found.