List disadvantage of file based approach
A manual system can be more cumbersome to deal with compared with a computerized database management system in place. It reduces redundancy and increases efficient management of resources and lays the burden off the organization. Secondly, it enhances the effectiveness of your decisions by keeping you better informed and having all the information on your finger tips. Besides, you can use a database management system to analyze the data besides tabulating it as well. Plus, its more cost effective as you need fewer employees to manage your records.