Integrity Constraints Quiz Questions and Answers PDF - 405

MCQ 2021: Complex check conditions can be useful when we want to ensure integrity of data, but may be

1. Cheap
2. Not accurate
3. Not implementable
4. Costly

MCQ 2022: Database systems based on the object-oriented data model were developed, in the late

1. 1960s
2. 1970s
3. 1980s
4. 1990s

MCQ 2023: The first requirement to design a trigger, is to specify when a trigger is to be

1. Designed
2. Evaluated
3. Planned
4. Executed

MCQ 2024: The Process of controlling access to the data stored in database, is known as

1. Isolation Problems
2. Security Problems
3. Concurrent-access anomalies
4. Integrity problems

MCQ 2025: The natural join operation can be added after the clause

1. Select clause
2. From clause
3. Define clause
4. Where clause