For optimizing queries on large datasets, it's recommended to create ________ on columns that are frequently used in WHERE clauses.
- Clustered indexes
- Foreign Keys
- Non-clustered indexes
- Primary Keys
Non-clustered indexes help improve query performance by allowing efficient data retrieval based on columns frequently used in WHERE clauses. Unlike clustered indexes, non-clustered indexes don't alter the physical order of the table data. They're particularly useful for improving search performance on large datasets without affecting the way the data is stored on disk.
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