MCQ King
MySQL – Query Caching MCQ
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1. What is the primary purpose of MySQL Query Caching?
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2. How does MySQL Query Caching work?
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3. When does MySQL check the query cache to see if a query result is cached?
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4. What happens when a query result is found in the MySQL Query Cache (cache hit)?
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5. What occurs when a query result is not found in the MySQL Query Cache (cache miss)?
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6. What type of SQL queries benefit the most from MySQL Query Caching?
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7. How does MySQL Query Caching affect CPU and I/O resource consumption?
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8. What happens to cached queries when data in the underlying tables is modified?
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9. Why is it important to allocate an appropriate amount of memory for the query cache?
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10. What type of queries may not cache effectively due to their dynamic nature?
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11. What is cache pruning in MySQL Query Caching?
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12. How does MySQL Query Caching handle concurrent write operations on the same data?
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13. What MySQL system variable is used to enable or disable Query Caching?
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14. What is the primary benefit of MySQL Query Caching for read-heavy workloads?
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15. Which MySQL version deprecated Query Caching in favor of other caching mechanisms?
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16. What does MySQL Query Caching primarily accelerate?
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17. How does MySQL Query Caching affect response times for frequently executed SELECT queries?
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18. What can happen if the query cache size is too small?
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19. What types of queries are less likely to benefit from MySQL Query Caching?
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20. What happens when a modification operation is performed on a table involved in a cached query?
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21. How does MySQL Query Caching handle concurrent write and read operations on the same data?
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22. What is the trade-off associated with using a large query cache size in MySQL?
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23. What is the impact of enabling MySQL Query Caching on write-heavy workloads?
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24. In MySQL 8.0 and later versions, what happened to the Query Cache feature?
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25. What is the primary advantage of MySQL Query Caching for read-heavy web applications?
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