1 votes 1 votes A data which improves the performance and accessibility of the database are called: Indexes User Data Application Metadata Data Dictionary Databases ugcnetcse-dec2015-paper2 databases + – go_editor asked Aug 8, 2016 recategorized Nov 10, 2017 by Devshree Dubey go_editor 2.3k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes Answer A Indexes are special lookup tables that the database search engine can use to speed up data retrieval. Simply put, an index is a pointer to data in a table. An index in a database is very similar to an index in the back of a book. Refer this http://www.tutorialspoint.com/sql/sql-indexes.htm sh!va answered Aug 8, 2016 sh!va comment Share Follow See all 0 reply Please log in or register to add a comment.