Scenario: While performing database performance testing, you notice that query response times vary significantly under different loads. What could be the underlying challenges causing this?
- Inadequate server resources
- Insufficient database indexing
- Network latency issues
- Poorly optimized SQL queries
Poorly optimized SQL queries contribute significantly to varying query response times. Optimizing SQL queries involves techniques such as using proper indexing, minimizing the use of functions in WHERE clauses, and optimizing joins. This helps in reducing query execution time and improving overall database performance.
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