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Clustered versus unclustered indexes

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Reference no: EM13509500

If you were about to create an index on a relation, what considerations would guide your choice? Discuss:

1. The choice of primary index.

2. Clustered versus unclustered indexes.

3. Hash versus tree indexes.

4. The use of a sorted ?le rather than a tree-based index.

5. Choice of search key for the index. What is a composite search key, and what considerations are made in choosing composite search keys? What are index-only plans, and what is the in?uence of potential index-only evaluation plans on the choice of search key for an index?

Reference no: EM13509500

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