DBMS MCQs
Solved DBMS MCQs from the KnowledgeGate question bank: normalization, SQL, transactions.
47 articles in this topic
Data Mining Techniques MCQs with Answers and Worked Explanations
Solve 12 data mining MCQs, then check compact explanations of association rules, supervised learning, confusion matrices, clustering, and feature methods.
Updated 17 Sep 20267 min readDBMS MCQs
ER Diagram to Relational Model MCQs: 12 Solved Questions
Solve 12 ER mapping questions, then use a compact rule table and a five-relation worked example to check every table count and key placement.
16 Sep 20267 min read83 viewsDBMS MCQs
Conflict Serializability MCQs: 12 Solved Schedule Questions
Solve 12 conflict serializability questions with precedence-graph checks, equivalent serial orders, blind-write traps and a worked lost-update trace.
Updated 15 Sep 20268 min read111 viewsDBMS MCQs
Lossless Join Decomposition MCQs: 12 Solved Questions with Explanations
Solve 12 lossless join decomposition questions with direct explanations, from the shared-attribute test to multi-relation decomposition.
Updated 13 Sep 20267 min read57 viewsDBMS MCQs
DBMS Fundamentals MCQs: 12 Solved Questions with Explanations
Use the CollegeDB example to distinguish schema, instance, metadata and data independence, then diagnose the DBMS concepts that need revision.
Updated 12 Sep 20268 min readDBMS MCQs
Attribute Closure and FD-Set Equivalence MCQs: 12 Solved Questions
Solve ten MCQs and two MSQs by growing closures to a fixed point. Each answer shows the decisive dependency, key test or coverage witness.
10 Sep 20267 min read82 viewsDBMS MCQs
Database Indexing MCQs: 12 Solved Questions on Index Types
Solve 12 published indexing MCQs, then use one eight-record file to understand why each answer is correct. The set covers index classification and access-path choice.
Updated 9 Sep 20268 min read72 viewsDBMS MCQs
Recoverability, Cascadeless and Strict Schedule MCQs: 12 Solved Questions
Work through 12 database schedule MCQs using a repeatable three-test method. Trace read-from edges, compare commit order, and separate dirty reads from dirty writes.
7 Sep 20268 min readDBMS MCQs
Relational Model and Database Anomalies MCQs: 12 Solved Questions
Solve 12 relational-model MCQs, then use one concrete ENROLMENT table to understand update, insertion and deletion anomalies without memorising labels.
Updated 6 Sep 20268 min readDBMS MCQs
SQL Inner and Outer Join MCQs: 12 Solved Questions with Explanations
Solve 12 join MCQs, check each answer immediately, and learn the row-preservation and matching rules behind the result.
Updated 4 Sep 20268 min readDBMS MCQs
DDL, DML, DCL, TCL and DESC MCQs: 12 Solved SQL Questions with Explanations
Solve 12 SQL command MCQs on schema changes, rows, privileges, transactions and table inspection. Each answer explains the decisive clue and every distractor.
3 Sep 20268 min readDBMS MCQs
Lock-Based Protocols & Basic 2PL MCQs: 12 Solved Questions with Explanations
Solve 12 published Basic 2PL MCQs, from growing and shrinking phases to lock compatibility, precedence graphs, deadlock, strictness and SQL update order.
1 Sep 20268 min read75 viewsDBMS MCQs