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Criado por Richard Kramer
8 dias atrás
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Questão | Responda |
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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