DBMS MCQs

Solved DBMS MCQs from the KnowledgeGate question bank: normalization, SQL, transactions.

19 articles in this topic

Cardinalities, Participation and Entity Strength MCQs: 12 Solved DBMS Questions

Solve 12 DBMS MCQs on relationship cardinality, participation constraints and weak entities. Each answer includes the deciding ER-model rule.

Updated 29 Jul 20267 min readDBMS MCQs

Boyce-Codd Normal Form (BCNF) MCQs: 10 Solved Questions with Explanations

Solve 10 BCNF MCQs from GATE, UGC NET and DSSSB papers with clear reasoning on superkeys, candidate-key closures, 3NF exceptions and decomposition trade-offs.

Updated 26 Jul 20267 min read69 viewsDBMS MCQs

Transaction States in DBMS MCQs: 11 Solved Questions with Explanations

Solve 11 practice MCQs on DBMS transaction states. Each answer explains the state, transition or recovery rule you need to apply.

Updated 23 Jul 20267 min readDBMS MCQs

DBMS Concurrency Problems MCQs: 10 Solved Questions with Explanations

Ten DBMS concurrency questions with worked values, operation orders, lock rules and concise explanations.

Updated 26 Jul 20268 min readDBMS MCQs

DBMS Transaction MCQs: 12 solved questions on ACID, serializability and locking

DBMS transaction MCQs with full solutions: 12 solved GATE and ISRO questions on ACID properties, conflict serializability, recoverability and 2PL locking.

13 Jul 20266 min read148 viewsDBMS MCQs

DBMS SQL Query MCQs: 12 solved questions on SELECT, joins and subqueries

DBMS SQL query MCQs: 12 solved previous-year questions on SELECT and DISTINCT, inner and outer joins, GROUP BY and HAVING, and correlated subqueries.

13 Jul 20267 min readDBMS MCQs

DBMS Normalization MCQs: 12 solved questions from 1NF to BCNF (GATE/NET)

DBMS normalization MCQs: 12 solved previous-year questions from GATE, UGC NET, DSSSB and TPSC papers on 1NF, 2NF, 3NF, BCNF and lossless join decomposition.

13 Jul 20267 min read60 viewsDBMS MCQs