No data redundancy: Only one copy of data is maintained
Concurrent Access: Multiple users can access / exchange data simultaneously
increased data integrity: rules and restrictions can be applied to make sure data is always correct
consistency of data: data is always correct and valid.
structured and described format of data: format of data is fixed; i.e TABLE format
enhanced security: there are various levels of data. For example, only specific data is displayed for teachers and only specific data is displayed for students.
backup and restore
data persistence: data once saved and remains permanent.