What topics are covered in SQL & DBMS MCQs?

High-quality SQL and DBMS MCQs covering joins, normalization, indexing, keys, ACID, transactions, subqueries, and more for placement interviews.

How many questions are in this interview practice set?

This set contains 50 practice questions.

Are these real interview questions?

Yes, these questions are curated based on common patterns in technical and behavioral interviews.

How can I use this for interview preparation?

Attempt the questions, review detailed explanations, and track your accuracy over time to identify weak areas.

SQL & DBMS MCQs Practice Questions

Instructions

For each question, select the best answer from the options provided. You can view detailed explanations immediately after answering. Navigate through pages using the controls below.

Question 1

Which SQL clause filters groups after GROUP BY?

Question 2

What is the purpose of an INDEX?

Question 3

Which join returns all left table rows and matching right table rows?

Question 4

What does 3NF require?

Question 5

Which is a DML command?

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