Question

Describe the four types of indexes in DBMS?

Answer 1

A unique primary index is unique and is used to find and store a row. A nonunique

primary index is not unique and is used to find a row but also where to store a row

(based on its unique primary index). A unique secondary index is unique for each row

and used to find table rows. A nonunique secondary index is not unique and used to

find table rows.

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