Unit 4.3 Data Management Systems

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

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

· database storage and (a)  

· 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 (a)   .

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

Data integrity refers to the (a)   of the data in the database.

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