Write Overhead

Indexes are not free; their maintenance cost must be weighed against the read speed they provide. Every index on a table must be updated whenever data is written, inserted, or deleted. Maintaining indexes adds overhead to write operations.

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Indexes are not free; their maintenance cost must be weighed against the read speed they provide. Every index on a table must be updated whenever data is written, inserted, or deleted. Maintaining indexes adds overhead to write operations.