Database Languages MCQ (Multiple Choice Questions) PDF - 426

MCQ 2126: Database systems implement constraints that can be tested with minimal overhead, known as

1. Integrity Constraints
2. Declaration Constraints
3. Consistency Constraints
4. Definition Constraints

MCQ 2127: We can drop schemas by means of

1. Drop schema
2. Define schema
3. Delete schema
4. Alter schema

MCQ 2128: If a transaction manages to persist the database modifications despite of the system failures, it defines the

1. Consistency
2. Reliability
3. Durability
4. Quality

MCQ 2129: The authorization type which allows deletion of data, Is known as

1. Insert Authorization
2. Delete Authorization
3. Read Authorization
4. Update Authorization

MCQ 2130: Occurrence of deadlock is an example of

1. Application error
2. System crash
3. Logical error
4. System error