Indexing is a database optimization technique that creates specialized lookup structures (B-Trees).
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โ Fasts data retrieval by reducing search time
โ Enables efficient lookup structures without altering original data
โ Keeps the underlying data intact, ensuring data consistency
โ Optimizes query execution paths for faster access
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โ Increases storage requirements due to additional data structures
โ Slows down write operations (INSERT, UPDATE, DELETE)
โ Over-indexing can hurt more than help
