
Information System Development, Acquisition, and Maintenance ◾ 243
Data Validation
An application that works with data in any fashion must provide facilities to ensure
that the data it receives, processes, returns, and displays is correct.
is is a highly detailed topic with many possible methods to ensure the integ-
rity of the data and the system. Many of the questions included in the section above
on specifying will help the project team to more fully flesh out how to handle this
area. If the data being collected in a web-based form is not properly handled, it
could allow a hacker to read your entire database or even destroy it. Similarly, if ...