What is the significance of query caching in database performance tuning?
- It decreases the storage space required for query results
- It enhances the security of SQL queries, preventing unauthorized access
- It increases the complexity of SQL queries, leading to better performance
- It reduces the need to re-execute identical queries, improving response time
Query caching plays a crucial role in database performance tuning by storing the results of frequently executed queries in memory. This reduces the need to re-execute identical queries, thereby improving response time and overall system performance. However, it is essential to manage query caching effectively to ensure that cached data remains consistent and up-to-date.
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