Exam 19: E-R Diagrams and the UML Standard

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UML-style E-R diagrams introduce object-oriented notation that is of limited practical value in traditional,relational database design.

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Which of the following would indicate a minimum cardinality of 1 and a maximum cardinality of many in UML notation?

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In UML-style E-R diagrams,the second segment of an entity class contains ________.

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Which of the following is a true statement about the current version of UML?

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In UML,an attribute that is accessible only by methods of its entity class or of its subclasses is said to be ________.

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  -In UML notation,the relationship line in a relationship between two strong entities is labeled as: -In UML notation,the relationship line in a relationship between two strong entities is labeled as:

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Persistent means that data should continue to exist in the database even if the object that processes it is destroyed.

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What new contributions to data modeling do UML-style E-R diagrams introduce?

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In UML,an attribute that is accessible only by methods of its entity class is said to be ________.

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Attributes preceded by a + are public.

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In UML notation,the relationship line in a relationship with a non-ID-dependent weak entity is labeled as <nonidentifying>.

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Which of the following is not a characteristic that was introduced to E-R diagramming by UML?

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Attributes preceded by a # are private.

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  -In UML notation,the relationship line in a relationship with a non-ID-dependent weak entity is labeled as: -In UML notation,the relationship line in a relationship with a non-ID-dependent weak entity is labeled as:

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How are entity classes drawn in UML-Style E-R diagrams?

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One weakness of UML-style E-R diagrams is that there is no means of distinguishing between a weak entity that is ID-dependent and a weak entity that is not ID-dependent.

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