What is an Index?
1284
06-May-2019
Updated on 21-Sep-2020
Rahul Roi
06-May-2019The index is performance tuning method of allowing faster retrieval of records from the table. The single index creates an entry for each value and it will be faster to retrieve data.
An indexing is a way to optimize performance of a database by minimizing the number of disk accesses required when a query is processed.
The index or database index is a data structure which is used to quickly locate and access the data in a database table.