Explain What Is An Index?

1.	Explain What Is An Index?
Answer» An index is used to speed up the performance of QUERIES. It makes faster retrieval of DATA from the table. The index can be created on one column or a group of COLUMNS. An index is used to speed up the performance of queries. It makes faster retrieval of data from the table. The index can be created on one column or a group of columns.

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An index is used to speed up the performance of QUERIES. It makes faster retrieval of DATA from the table. The index can be created on one column or a group of COLUMNS.

An index is used to speed up the performance of queries. It makes faster retrieval of data from the table. The index can be created on one column or a group of columns.

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Explain What Is An Index?

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