What are Database Indexes?

The database index is defined as a database structure whose primary function is to make the operations on a database table faster. Creating a database index requires one or a number of columns on a table for faster accessing of records in a database. Database indexes only occupy a small part of the disk memory since they only contain important key fields and discard the other fields within the table. This way, the index can be stored even though the database holds a large number […]