Views MCQ Practice Test

Q1. In a database, what is the primary purpose of a view?

• A. To enforce data integrity by imposing constraints on the data
• B. To improve query performance by reducing the amount of data being processed
• C. To provide a simplified interface for querying complex data by allowing users to define a virtual table based on the result of a query ✓
• D. To enable transactional support for a database

Q2. In a database, what is the main purpose of a view?

• A. To improve database performance by reducing the number of queries
• B. To provide a simplified representation of complex data ✓
• C. To enforce data integrity and consistency
• D. To optimize data storage by reducing the amount of data

Q3. What is the main purpose of a view in a database?

• A. To improve data security by restricting access to sensitive data
• B. To provide a simplified representation of complex data relationships ✓
• C. To increase data storage capacity by reducing redundant data
• D. To speed up query performance by precomputing complex calculations

Q4. In a database, a view is a virtual table based on the result of a query. What is the main advantage of using a view over a stored procedure?

• A. Views are easier to maintain than stored procedures.
• B. Views can be used as a layer of abstraction between the application and the database. ✓
• C. Views can be used to enforce data integrity rules.
• D. Views can be used to improve database performance.

Q5. What is the primary purpose of a view in a database?

• A. To improve data security by restricting access
• B. To provide a virtual table based on the result of a query ✓
• C. To enable data normalization by reducing data redundancy
• D. To increase database performance by caching frequently accessed data

Q6. In a database, what is the primary purpose of a view in a relational database?

• A. A view is a stored query that can be used to simplify complex SQL queries.
• B. A view is a physical database object that stores data.
• C. A view is a virtual table based on the result of a query. ✓
• D. A view is a database object that can be used to enforce data integrity constraints.

Q7. What is the purpose of a view in a database?

• A. To enforce data integrity by creating constraints
• B. To improve query performance by caching results
• C. To provide a virtual table based on the result of a query ✓
• D. To optimize storage by reducing the size of the database

Q8. Which is a genuine benefit of a database view?

• A. It simplifies complex queries and can restrict access to specific rows or columns ✓
• B. It guarantees faster execution of every query
• C. It stores all table data redundantly
• D. It enforces foreign keys

Q9. In a database, what is the purpose of a view?

• A. To improve data security by controlling access to sensitive data
• B. To enhance data integrity by enforcing referential constraints
• C. To provide a virtual representation of data from one or more tables ✓
• D. To optimize database performance by reducing query complexity

Q10. In a relational database, what is the main purpose of a view?

• A. To improve the performance of queries by reducing the number of joins
• B. To provide a simplified representation of a complex query ✓
• C. To enforce data integrity by restricting user inputs
• D. To enhance data security by hiding sensitive information

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