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15 August, 23:26

What are indexes in a database?

a Indexes are locations of tables within a database.

b Indexes are the quick references for fast data retrieval of data from a database.

c Indexes are the slow references for fast data retrieval of data from a database.

d Indexes are the quick references for fast data inserts of data.

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  1. 15 August, 23:47
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    Answer: A) Indexes are locations of tables within a database.

    Explanation: The index of a database is a data structure that improves the speed of operations, by means of a unique identifier of each row of a table, allowing rapid access to the records of a table in a database. It has an operation similar to the index of a book, keeping pairs of elements: the element to be indexed and its position in the database.
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