Structured systems analysis: tools and techniques
The need for better tools; What the tools are and how they fit together; Drawing data flow diagrams; Building and using a data dictionary; Analyzing and presenting process logic; Defining the contents of data stores; Analyzing response requirements; Using the tools: a structured methodology; Deriving a structured design from the logical model; Introducing structured systems analysis into your organization.
Exercises and Discussion Points
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analyst changeable COBOL cohesion cost Cust data base data dictionary data elements data flow diagram data store data structure DATAMANAGER decision table decision tree defined delivery described dictionary software discount employee entry external entities Figure handling identify immediate access implementation input interface invoice involved ISBN JOB-TITLE logical model module nonkey domains normal form on-line order-entry ORG-ID organization output payment history PERSONNEL-NO physical design possible primary key priority treatment Process Logic produce pseudocode query record relation repeating groups request retrieve SALARY SCE ENC second normal form Section shipment shipping note shown in Fig shows specified structure chart Structured Design structured English structured systems analysis subsystem supplier techniques third normal form Tight English top-down development transaction tuple units per pound update VALID ORDER ITEM