The Importance of Using Clustered Index in Database Management Systems

The effective use of indexes, particularly clustered indexes, is often overlooked in the normalization and analysis stages of ERP projects. This paper aims to demonstrate the significant advantages of employing clustered indexes through a series of concrete examples. Clustered indexes can improve query performance by reducing the I/O operations necessary to retrieve data, thus enhancing the overall efficiency of database management systems. By comparing the performance metrics of systems using clustered versus non-clustered indexes, we highlight the potential improvements in data retrieval times and resource utilization. This research provides essential insights for database administrators and system architects aiming to optimize the performance of complex database systems.