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7 Analyzing Systems Using Data Dictionary

Data Dictionary ,[object Object],[object Object]

Need for Understanding the Data Dictionary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Data Repository ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How Data Dictionaries Relate to Data Flow Diagrams

Data Dictionary Categories ,[object Object],[object Object],[object Object],[object Object]

Defining the Data Flow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of Data Flow Description Form

Describing Data Structures ,[object Object],[object Object]

Algebraic Notation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Structural Records ,[object Object],[object Object]

Logical and Physical Data Structures ,[object Object],[object Object]

Physical Data Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Element ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Element Description Element ID ,[object Object],[object Object]

Data Element Description The Name of the Element ,[object Object],[object Object],[object Object],[object Object]

Data Element Description Aliases ,[object Object],[object Object],[object Object]

Data Element Description Element Is Base or Derived ,[object Object],[object Object]

Data Element Description Element Length ,[object Object],[object Object]

Data Element Description Type of Data ,[object Object],[object Object]

Data Element Description Format character code

Data Element Description Continuous or Discrete ,[object Object],[object Object]

Data Store ,[object Object],[object Object],[object Object]

Describing the Data Store ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Describing the Data Store (Continued) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Creating the Data Dictionary ,[object Object],[object Object],[object Object],[object Object]

Examples : DFD and Corresponding Data Dictionary Entries

Using the Data Dictionary ,[object Object],[object Object],[object Object],[object Object]

Create Screens, Reports, and Forms ,[object Object],[object Object],[object Object],[object Object]

Analyze the System Design, Detecting Flaws and Areas that Need Clarification ,[object Object],[object Object],[object Object]

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