How to Design and Develop Business Systems: A Practical Approach to Analysis, Design, and Implementation
In this book, Steve Eckols presents a complete, proven system-development method that lets you develop more reliable systems in less time -- whether you use the method in its entirety or just pick out certain ideas to try in conjunction with your current method. Here, then, you'll find timesaving yet practical tips on data flow diagrams, structure charts, database and file design, menu and screen design, documentation...and more!
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A practical method for developing business systems
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access paths ADDRESS BOOK ENTRY advance billing alternate key analysis DFD archive data stores BILL SALES brokerage system buyer cardex cash receipts cess chapter COBOL coding and testing complete context DFD contract number contracts data store CREATE PURCHASE CONTRACTS data access diagram data dictionary data elements data flow diagram data hierarchy diagram data structure database design database views DELIVERY 15 detail development method DFD in figure display entry screen example expand functions Perform gram identify implementation interactive invoice levels menu structure model DFD package Perform advance Perform final Perform sale phases preliminary contents lists procedure program overview program specifications program structure chart PURCHASE ADVANCES purchase contracting functions reference data store reference screen relationships requirements result Sale contract selection SETTLE PURCHASES settlement functions source document struc structured programming subprogram subsystem system development system structure chart Telephone number tion top-level DFD transactions Zip code