This is perhaps the first "how to: book in its field. It shows how to improve the design of large information systems by designing for software re-use; incorporating object-oriented ideas and adding a graphical user interface. This title should prove valuable to anyone who uses entity modeling techniques, whether within SSADM or within a comparable systems development methodology such as Information Engineering, Yourdon, or JSD. Readers will find a theory of information systems which unifies ideas from computer science with the best of business practice. Systems analysis and designers, systems development managers and database managers. It will be of interest to postgraduate and undergraduate students who cover SSADM in their courses, second and third year computer science information systems business computing courses.
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Aims and scope
Introducing the methodology
Using the SSADM4 structural model
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3-Schema Architecture aggregation analysis and design Applicant Registration attributes business rules chapter class hierarchy components composite objects Conceptual Model data entry window data flow data flow diagrams data items data structure database design database management system defined design techniques detail entities dialogue design effect correspondence diagrams Employer enquiry procedures enquiry triggers entity behaviour model entity data model entity event modelling entity reference window entity type error event and enquiry event or enquiry event procedure example External Design generalisation graphical user interface information systems inheritance input data Interview Arrangement invoked master entity methodology modelling techniques notations object instances object-oriented programming OO environment OO programming optional output data Post Acceptance prototyping rapid application development real world relational relationship requirements reusable reuse Scene spiral model SSADM step sub-types super-event super-type system specification systems analysis systems development third normal form user function user interface Vacancy waterfall model