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Explain Clustering file organization
(i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that field is known as the clustering field. The sort of index that is created using clustering field is known as clustering index. Clustering index is employed to speed up retrieval of records that have similar value for the clustering field.
The file which is organized based on the clustering field and clustering index is known clustering file organization.
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
how design database from begining
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