Copyright 2002 by
Prentice Hall, Inc.
7-6
The Four Roles of Data Administrators
nClean up data definitions: getting rid of data redundancies and inconsistencies, e.g., two names for same data item, design integrity flags, and train users on meaning of data
nControl shared data - data used by two or more units - and analyze impact of changes to programs that use shared data; data dictionaries provides one place to look for all uses of data.