To identify data requirements, the project team starts a process of investigation.
This process involves gathering and analyzing data from users, systems, and
documentation to determine the current state and desired future state of the
Gathering data involves:
Determining what information is needed to identify the data, functional
requirements, and nonfunctional requirements.
Identifying sources from which to obtain relevant and supporting
information. Sources can include people, systems, and systems-support
Looking at source information from different perspectives to ensure that all
the relevant information is gathered from a particular source.
Gathering the information needed to determine requirements from the
identified sources. Information can be gathered in several ways:...