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.

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.

the answer isn’t:

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