How is the data dictionary important to the design of systems?

CPA-Quantitative-Analysis-Section-4 BLOCK RELEASE

Data Dictionary
Documents specific facts about the system What?
 Data flows
 Data stores
External entities
 Processes
 Records (data structures)
 Data elements (data items, fields)
 Elements of the system will be described precisely enough to be translated into code
Allows critical information to be communicated between users and system developers
Enhances efficiency by avoiding confusion over names and formats
Must document specific data-related facts, data flows, processes, data stores, external entities, data elements, records, and data dictionary reports
Standard form or CASE tool can be used

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