39773622
Beschreibung
Karteikarten von Richard Kramer, aktualisiert vor 3 Monate
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Erstellt von Richard Kramer
vor 3 Monate
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| Frage | Antworten |
| Aggregation Relationship | UML notation representing the relationship between two classes that are often considered together. ex. sports league and teams |
| Association | UML symbol that depicts the relationship between two classes. Solid line between classes in model |
| Attributes | Data elements that describe instances in a class. Like fields in a database table |
| Business rule | Succinct statement of constraints on a business process. Provides logic that guides behavior of the business in situations. |
| Cardinalities | How many instances of one entity that can be related to another |
| Data Models | Graphic representation of the conceptual contents of databases. |
| Entities | People, things, and events in the domain of interest. UML notation they are modeled as classes |
| Foreign Key | Attribute that allows database tables to be linked together. Are primary keys of other tables placed in the current table to support the link. |
| Generalization relationship | UML symbol that supports grouping of things that share common characteristics. Reduces redundancy because the shared characteristics need only be modeled once. |
| Multiplicities | UML symbols that describe the minimum and maximum number of times an instance of one class can be associated with instances of another class for a specific association between those two classes |
| Primary Key | Attribute or combination of attributes that uniquely identifies an instance of a class in a data model or a specific row in a table. |
| Relationship | Business purpose for the association between two classes or two database tables. |
| Structure Model | Conceptual depiction of a database, such as a UML model or an entity-relationship model. |
| Classes | Separately identifiable collection of things which the organization wants to collect and store as information. |
| Composition Relationship | UML notation representing the relationship between two classes that are often considered together, except that one class cannot exist without the other. ex. chapters in a book. |
| Obligatory Rule | What should occur |
| Prohibited Rule | What should not occur |
| Post override Enforcement | Violation is authorized after the violation already occurred. |
| Pre override Enforcement | Violation is authorized in advance |
| Strict Enforcement | Violations are never authorized |
| Preventative Control | Deter problems before they arise |
| Detective Control | Finds the problems |
| Corrective Control | Looks to fix the problems |
| Entity | Separately and uniquely identifiable things of interest in a system |
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