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What are indexes? When do you need to create Indexes?
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Answer Posted / bhagwat sharma
When data volumes increase, organizations are faced with
problems relating to data retrieval and posting. They feel
the need for a mechanism that will increase the speed of
data access. An index, like the index of a book, enables the
database retrieve and present data to the end user with
ease. An index can be defined as a mechanism for providing
fast access to table rows and for enforcing constraints.
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