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- Data redundancy - These files are likely to have some data in common, i.e. duplication of data (data redundancy). This makes it expensive to store and update such files. It wastes space and can lead to data integrity (inconsistency) problems
- Lack of data integrity - Since the files are maintained separately data about one record may bear inconsistent values, thus leading to inaccurate reporting.
- Incapable of ad hoc reporting - Since the files are not related easily it would take much time to get an unplanned-for report involving data analysis from all the functional files.
- Security risks - The data is owned by the departments that use it and therefore it is not easily to control the data as an organization resource making data possible to be subject to fraud.
- Isolated Data - Makes coordinating, assimilating and representing data difficult
- Application Program Dependencies - Changes to a single file can require changes to numerous application programs thus incompatible Files
- Lack of Data Sharing - Difficult to control access to files, especially some portions of files
Kavungya answered the question on May 10, 2019 at 12:10
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