What is the primary purpose of query optimization in database performance tuning?

  • Enhancing database security
  • Improving query execution time
  • Minimizing query complexity
  • Optimizing data storage
Query optimization in database performance tuning primarily focuses on improving the query execution time. This involves finding the most efficient way to execute a query, such as choosing the best indexes, utilizing appropriate join techniques, and optimizing access paths to data. By doing so, it helps in enhancing the overall performance of the database system.
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