When would creating an index reduce overall database perform

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Reference no: EM13165413

Indexing can affect the performance of a general-purpose database that has roughly equal numbers of fetches and changes. The decision to add an index can improve the performance of a system but can also degrade it.

With these thoughts in mind, address the following:

When would creating an index reduce overall database performance? Explain.

Describe and explain a situation where an index would increase the performance of some database operations but degrade the performance of other operations.

How could you resolve a situation in which you are not sure whether an index will help or harm overall database performance?

Reference no: EM13165413

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