Schemas Instances and Database State Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The state in database management system which satisfies the constraints and specified schema structure is classified as

1. valid state
2. extension state
3. intension state
4. attribution state

MCQ 2: In a particular time, the data available in the database at specific moment is called

1. database time interval
2. database concept
3. database construct
4. database state

MCQ 3: The objects in database description is called

1. concept construct
2. entity construct
3. schema construct
4. attribution construct

MCQ 4: In database management system, the current set of instance or database snapshot is also called

1. mathematical operators of schema
2. logical operators of schema
3. extension of schema
4. intension of schema

MCQ 5: The complete description of database which is described in design phase and is changed rarely is called

1. schema
2. structure
3. path of design
4. data cycle scheme