When optimizing queries with multiple JOINs and subqueries, it's essential to consider ____________ in order to achieve optimal performance.

  • Aggregation
  • Grouping
  • Indexing
  • Sorting
Indexing plays a crucial role in optimizing query performance by providing quick access to data. It helps in reducing the time taken to retrieve records, especially when dealing with large datasets and complex queries involving joins and subqueries.
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