DBMS MCQs
Solved DBMS MCQs from the KnowledgeGate question bank: normalization, SQL, transactions.
47 articles in this topic
Unary Operators (Selection and Projection) MCQs: 11 Solved Questions
Solve 11 past-paper MCQs on relational-algebra selection and projection, from recognising each operator to composing and transforming expressions safely.
Updated 8 Aug 20267 min readDBMS MCQs
Inner and Outer Join MCQs: 12 Solved DBMS Questions with Explanations
Solve 12 practice MCQs on natural, inner, left and full outer joins. Each answer traces tuples, keys, degree or cardinality.
Updated 6 Aug 20268 min read53 viewsDBMS MCQs
Super Key, Candidate Key & Primary Key MCQs: 12 Solved Questions
Solve 12 DBMS key MCQs with the deciding step shown for each answer. Practise minimality, attribute closure, superkey counting and primary-key rules.
Updated 3 Aug 20268 min read85 viewsDBMS MCQs
ACID Properties in DBMS MCQs: 12 Solved Questions with Explanations
Solve 12 previous-year database transaction questions from GATE, IBPS, DSSSB and UGC NET papers by learning which clue points to atomicity, consistency, isolation, or durability.
Updated 31 Jul 20268 min read95 viewsDBMS MCQs
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 read113 viewsDBMS 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 20268 min read96 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 read64 viewsDBMS 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 read173 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 read64 viewsDBMS 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 read209 viewsDBMS MCQs