Database Design Multiple Choice Questions (MCQ) PDF - 380

MCQ 1896: The set of all entities of the same type, is termed as

1. Relative entities
2. Set of entities
3. Entity set
4. Group set

MCQ 1897: The basic structure of an SQL query consists of

1. Clauses
2. Commands
3. Tuples
4. Attributes

MCQ 1898: A term saying that no two transactions to be executed concurrently is referred as

1. Durability
2. Atomicity
3. Inconsistency
4. Isolation

MCQ 1899: An E-R diagram can graphically represent the

1. Physical structure
2. Logical structure
3. View structure
4. Virtual structure

MCQ 1900: Modern database systems provide more direct support for

1. Incremental view maintenance
2. Data-view maintenance
3. Deferred view maintenance
4. Immediate view maintenance