GATE CS Subject
Database Management Systems GATE CS Questions
Practice 230 GATE Computer Science questions from Database Management Systems (1987-2026) with solutions, filters, and offline support.
- 230 questions in this subject
- Years covered: 1987-2026
- Topic: SQL
- Topic: Normalization
- Topic: ER Diagrams
- Topic: Relational Algebra
- Topic: Transactions
- Topic: Indexing
Overview & Analysis
Database Management Systems (DBMS) is one of the most scoring technical sections in GATE CS, typically yielding 5 to 7 marks. The syllabus ranges from conceptual schema designs to concrete query languages and transactional safety.
GATE questions regularly assess SQL queries, Relational Algebra expressions, schema Normalization (up to BCNF/4NF), and transactional scheduling properties like conflict serializability and deadlock handling.
Frequently Asked Questions (FAQ)
Q: How do I determine the normal form of a relation for GATE?
A: Find all candidate keys using functional dependency closures. Check the dependencies against the definitions of 1NF, 2NF, 3NF, and BCNF to identify the highest normal form of the schema.
Q: What is conflict serializability in GATE DBMS?
A: A schedule is conflict serializable if it is conflict equivalent to a serial schedule. You can test this by building a precedence graph of conflicting operations; if the graph contains no cycles, the schedule is conflict serializable.
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