July 2001
Intermediate to advanced
320 pages
6h 19m
English
Content preview from UML for Database DesignBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Concepts
The following UML, object-oriented, and other concepts are cited in this chapter. For a more complete discussion and more rigorous definitions of UML concepts, refer to Booch et al. [1999].
Use case model— typically refers to the use case model of the information system being built versus the business use case model. It is a depiction of how the system capabilities (depicted as use cases) are used by the actors.
“Extends”— a stereotype of a relationship that indicates an optional use case flow that may be executed, based on a specific criterion.
“Includes”— a stereotype of a relationship that indicates a use case flow that is inserted into another use case or use cases at one or more points.
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