MySQL - NoSQL Features in MySQL (Memcached Plugin) MCQ

MySQL – NoSQL Features in MySQL (Memcached Plugin) MCQ

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1. What are the primary benefits of NoSQL databases?

Fixed schema and horizontal scalability

Schema flexibility and horizontal scalability

High verbosity logs and strong consistency

Structured data storage and ACID compliance

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2. Which NoSQL feature is integrated into MySQL to provide schema-less, in-memory key-value storage?

HBase

MongoDB

Cassandra

Memcached Plugin

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3. What type of data storage does the Memcached Plugin primarily use?

In-memory storage

Disk-based storage

Columnar storage

Document-based storage

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4. In the Memcached Plugin, what is used to access and store data?

Keys and values

Schemas and indexes

Tables and columns

SQL queries

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5. What is the key advantage of using the Memcached Plugin for caching in MySQL?

It supports ACID transactions.

It provides disk-based storage.

It offers high-speed in-memory caching.

It enforces a fixed schema.

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6. Which of the following is a suitable use case for the Memcached Plugin?

Fixed schema requirements

Disk-based data storage

Managing relational data

Real-time analytics

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7. What does the Memcached Plugin lack in terms of data durability?

It offers data durability with backups.

It does not guarantee data durability.

It ensures data is always durable.

It provides occasional data durability.

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8. Which aspect of the Memcached Plugin requires careful management to avoid issues?

Schema management

Index management

Transaction management

Key management

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9. In terms of scalability, how can the Memcached Plugin be extended to handle higher loads?

By optimizing SQL queries

By enforcing a fixed schema

By adding more Memcached servers to the cluster

By using ACID transactions

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10. What should be a consideration when using the Memcached Plugin for session management?

Data consistency across servers

Optimizing SQL queries

Using a fixed schema for session data

Storing sessions on disk

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11. When dealing with data that does not have a predefined structure, which NoSQL feature of the Memcached Plugin is advantageous?

Schema flexibility

Disk-based storage

In-memory storage

Schema enforcement

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12. What should developers plan for when using the Memcached Plugin in production?

Avoiding the use of caching

Frequent SQL queries

Data durability strategies

Fixed schema design

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13. Which aspect of the Memcached Plugin makes it suitable for caching frequently accessed data?

In-memory storage

Fixed schema

Disk-based storage

Relational data support

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14. What is the primary benefit of using the Memcached Plugin for high-concurrency applications?

Fixed schema design

Scalability

ACID transactions

Data durability

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15. Which operation does the Memcached Plugin excel at in terms of performance?

Read and write operations

Complex join operations

Query optimization

Disk I/O operations

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16. What aspect of the Memcached Plugin’s integration with MySQL allows for dynamic data storage?

Predefined indexes

Fixed schema

Schema flexibility

Disk-based storage

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17. What type of data is best suited for caching using the Memcached Plugin?

Historical data

Structured data

Data with complex schema

Frequently accessed data

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18. What is a challenge when using the Memcached Plugin for caching in MySQL?

Excessive data durability

Limited query capabilities

Fixed schema requirements

Disk space limitations

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19. How does the Memcached Plugin enhance read and write performance for certain types of data?

By optimizing data durability strategies

By storing data in memory

By using complex SQL queries

By enforcing a fixed schema

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20. What should be considered when implementing caching with the Memcached Plugin?

Data consistency across Memcached servers

Frequent schema changes

Limiting the number of Memcached servers

Avoiding the use of caching

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21. Which statement accurately describes the Memcached Plugin’s approach to data storage?

It stores data on disk for durability.

It uses a fixed schema for all data.

It enforces strict data consistency.

It primarily uses in-memory storage.

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22. What is a recommended approach to key management when using the Memcached Plugin?

Avoiding key management altogether

Implementing a clear and consistent naming convention for keys

Ensuring complex key names for better security

Using the same key for all data items

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23. What is a primary use case for the Memcached Plugin in MySQL?

Handling complex SQL queries

Enforcing a fixed schema for all tables

Caching frequently accessed data

Storing large volumes of historical data

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24. What should be planned for to ensure data durability when using the Memcached Plugin?

Implementing data durability strategies

Using complex SQL queries

Not relying on data durability

Regularly flushing the cache

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25. In which scenarios is the Memcached Plugin’s in-memory storage most advantageous?

When data consistency is paramount

When schema changes are frequent

When dealing with frequently accessed data

When disk space is unlimited

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26. What type of applications can benefit the most from using the Memcached Plugin for caching?

Applications with minimal read operations

Applications with low concurrency

Applications with high-concurrency and frequent read operations

Applications with a fixed schema for all data

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