Copyright 2002 by
Prentice Hall, Inc.
7-8
The Importance of Data Dictionaries
nSystems and
procedures for storing and handling
an organization’s data definitions
nPurpose:
eliminate errors of understanding,
ambiguities, and difficulties in
interpreting data
nIdeal
sequence:
nSet
up the data administration function
nDevelop
data standards
nPurchase
and install a DBMS
nInstall the data dictionary as the first dB application