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When Is It Preferable To Use A Dense Index Rather Than A Sparse Index?

Answer»

It is PREFERABLE to use a dense index instead of a sparse index when the file is not sorted on the indexed field (such as when the index is a SECONDARY index) or when the index file is SMALL compared to the SIZE of memory.

It is preferable to use a dense index instead of a sparse index when the file is not sorted on the indexed field (such as when the index is a secondary index) or when the index file is small compared to the size of memory.



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