Page 77 - E1 Integrated Workbook STUDENT 2018

The purpose and management of the technology and information
function

2.3 Databases

A database combines data from multiple and varied sources
(internal and external) into one comprehensive, secure and easily
manipulated data store.

Advantages Disadvantages

 Avoids duplication of data  Potential for unauthorised
(data redundancy). access.

 Improved data integrity.  System failure more

catastrophic.
 Flexible to individual’s needs.

 Initial development and

 Align across entire ongoing maintenance cost.

organisation.
 Data is only held in one place

 Access controls should make and so accuracy is very
system secure. important.

A unified corporate database allows users to access the same
information, to see an overall picture of performance and helps
inform business decisions.

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