DBMS 10 Marks Questions with Answers PDF Download - 12

MCQ 56: In a relation, each consisting column have values from

1. Same domain
2. Different domains
3. Same schema
4. Different schemas

MCQ 57: An unordered set of attribute values is named as

1. Tuples
2. Entities
3. Nodes
4. Instances

MCQ 58: The transaction manager consists of

1. Concurrency control manager
2. Recovery manager
3. Queue manager
4. Both A and B

MCQ 59: In concurrency control, a scheme named time stamp-ordering scheme ensures

1. Serializability
2. Cascadeness
3. Atomicity
4. Consistency

MCQ 60: For transferring DML and DDL statements to the database they must use a/an

1. Application program interface
2. Adapter program interface
3. Application process interface
4. Adapter process interface