Unit 4.3 Data Management Systems

A data management system (DMS) provides ______ and effective management of the database.

The functions of a data management system (DMS) are:

· database storage and __________

· secure database modification

· database integrity and maintenance

What problems can data redundancy lead to?

Data redundancy can be prevented in a DMS as it has a single database; any change in it is reflected ___________.

Proper database management systems help increase ________________ to data, which in turn helps the end users share the data quickly and effectively across the organisation.

Data integrity refers to the _____________ of the data in the database.

What must data be kept free from? List down 5 factors.