Database Integration and CRUD Operations Quiz Quiz

1. Question 1

   Which type of operation is primarily responsible for adding new records to a database table?

   1. Read
   2. Update
   3. Create
   4. Delete
   5. Retrieve

2. Question 2

   Which operation is used to modify an existing record within a database table?

   1. Insert
   2. Update
   3. Delete
   4. Create
   5. Read

3. Question 3

   Which operation is used to remove a record from a database table?

   1. Read
   2. Erase
   3. Update
   4. Delete
   5. Create

4. Question 4

   Which operation is used to access and retrieve data from a database table?

   1. Create
   2. Update
   3. Delete
   4. Read
   5. Write

5. Question 5

   In the context of database integration, what is the purpose of data mapping?

   1. To visually represent database schema.
   2. To define the transformation rules between different data structures.
   3. To optimize database query performance.
   4. To create a backup of the database.
   5. To encrypt sensitive data.

6. Question 6

   What is the primary benefit of using a separate database for integration tests?

   1. Faster test execution.
   2. Isolation from the main database, preventing unintended side effects.
   3. Reduced hardware requirements.
   4. Simplified deployment process.
   5. Automatic data synchronization.

7. Question 7

   Consider a scenario where a database column 'date_of_birth' needs to be updated. Which CRUD operation should be used?

   1. Create
   2. Read
   3. Delete
   4. Update
   5. Retrieve

8. Question 8

   A developer needs to retrieve all records from a 'customers' table. Which CRUD operation will accomplish this?

   1. Insert
   2. Update
   3. Delete
   4. Read
   5. Create

9. Question 9

   When performing CRUD operations, what is a common reason for using parameterized queries?

   1. To improve code readability.
   2. To prevent SQL injection vulnerabilities.
   3. To increase database server capacity.
   4. To simplify database administration.
   5. To enhance data compression.

10. Question 10

    What is the purpose of an ORM (Object-Relational Mapper) in the context of database integration?

    1. To optimize network bandwidth.
    2. To provide a direct translation between database tables and front-end interfaces.
    3. To simplify database backups.
    4. To facilitate data analysis.
    5. To map objects to database records.