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Index structures are referred to as __________ since they provide a path through which data can be located and accessed.

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Index structures are referred to as __________ since they provide a path through which data can be located and accessed.

(a) Index Search

(b) Linear search

(c) File scan

(d) Access paths

This question was posed to me in final exam.

Asked question is from Selection Operation in division Query Processing Techniques of Database Management

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The correct option is (d) Access paths

The best explanation: A primary index is an index that allows the records of a file to be read in an order that corresponds to the physical order in the file.

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