· Data Inconsistency: Data inconsistency means that different files may contain different information of a particular object or person. Actually redundancy leads to inconsistency. When the same data is stored in multiple locations, the inconsistency may occur.
· Data Sharing: In computer file-based processing systems, each application program uses its own private data files. The computer file-based processing systems do not provide the facility to share data of a data file among multiple users on the network.
· Data Isolation: In computer file-based system, data is isolated in separate files. It is difficult to update and to access particular information from data files