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Class 12 Computer Science — Chapter 5: Database Management and SQL

6 practice questions · 2 Easy · 2 Medium · 2 Hard

Practise Class 12 Computer Science Chapter 5, "Database Management and SQL", with 6 NCERT-aligned multiple-choice questions. The set is split into 2 Easy, 2 Medium and 2 Hard questions, so you can warm up on the fundamentals and then push into the exam-level problems that separate top scorers in CBSE Board exams.

"Database Management and SQL" is one of the chapters where logic, syntax and computational-thinking questions really pays off. Each MCQ on this chapter is timed and uses exam-grade marking (+2 correct, −1 wrong, 0 skipped), training the same accuracy-under-pressure that real papers demand. Every question carries a short explanation, so a wrong answer becomes a quick lesson rather than a dead end — the fastest way to close gaps before a test.

Use this chapter as targeted revision: attempt the Easy set first to confirm your basics on Database Management and SQL, then move to Medium and Hard to test application and problem-solving. Your accuracy, streaks and XP save automatically, and the chapter feeds into your overall Class 12 Computer Science mastery score. A few sample questions are shown below; sign in free to practise all 6.

Sample questions

Q1Easy

Primary key in a table is:

A.Unique non-null identifier✓ correct
B.Just any column
C.Random
D.Foreign reference
Why

Identifies each row.

Q2Medium

SELECT * FROM emp WHERE salary>50000 returns:

A.Rows where salary > 50000✓ correct
B.All rows
C.Only first row
D.None
Why

WHERE filters rows.

Q3Hard

Normalisation aims to:

A.Reduce redundancy and improve integrity✓ correct
B.Encrypt data
C.Compress data
D.Backup data
Why

Decompose to avoid anomalies.

Database Management and SQL — FAQs

What does Class 12 Computer Science Chapter 5 (Database Management and SQL) cover on XamBaaz?+

It covers 6 NCERT-aligned MCQs on "Database Management and SQL" — 2 Easy, 2 Medium and 2 Hard — each with a timed quiz and an instant explanation, suitable for CBSE Board exams.

Are these "Database Management and SQL" questions free to practise?+

Yes — sign in with Google to practise "Database Management and SQL" free. Full unlimited access is ₹999/year (limited-time launch price), with no per-chapter charges.

How should I revise "Database Management and SQL" for the exam?+

Start with the Easy quiz to confirm your fundamentals, then attempt Medium and Hard for application-level practice. Review each explanation, retry the questions you miss, and track your accuracy on this chapter until it is consistently high.

Practise all 6 questions free

Timed quizzes, instant scoring, streaks and XP. Sign in with Google — no card needed.

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