Index Evaluation Metrics Access types supported efficiently.E.g., Records with a specified value in the attribute Records with an attribute value falling in a specified range of values. Access time ■Insertion time Deletion time ■Space overhead Database System Concepts-7th Edition 14.4 @Silberschatz,Korth and SudarshanDatabase System Concepts - 7 14.4 ©Silberschatz, Korth and Sudarshan th Edition Index Evaluation Metrics ▪ Access types supported efficiently. E.g., • Records with a specified value in the attribute • Records with an attribute value falling in a specified range of values. ▪ Access time ▪ Insertion time ▪ Deletion time ▪ Space overhead