Exam 19: E-R Diagrams and the UML Standard

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In UML,an attribute preceded by a ________ is "protected."

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  -In the UML-style entity class ORDERS shown above,GetOrderNo( ) is a ________. -In the UML-style entity class ORDERS shown above,"GetOrderNo( )" is a ________.

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D

Which of the following is true about UML?

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D

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

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UML-style E-R diagrams allow for the existence of class attributes which are attributes that pertain to the collection of all entities within that class,not to the individual entity instances themselves.

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Maximum cardinalities are represented in UML-style E-R diagrams with the same notation (1:1,1:N,N:M)as in traditional E-R diagrams.

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

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What is OOP persistence,and how is it indicated in UML-Style E-R diagrams?

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In UML-style E-R diagrams,which of the following would be considered a class attribute of the entity class CUSTOMER?

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In UML,an attribute that is accessible and can be changed by any method of any object is said to be ________.

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  -In the UML-style entity class ORDERS shown above,SumOfOrders is ________. -In the UML-style entity class ORDERS shown above,"SumOfOrders" is ________.

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UML-style E-R diagrams allow for three different levels of visibility of attributes.

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In UML-style E-R diagrams,a weak entity is shown by placing a filled-in diamond on the parent of the weak entity.

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Attributes preceded by a + are protected.

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What format is used for weak entities in UML-Style E-R diagrams?

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UML is intended for modeling and designing object-oriented programs and applications.

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The classes of all entities to be stored in the database are labeled <>.

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What cardinality format is used in UML-Style E-R diagrams?

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

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In UML,cardinalities are represented by an x ..y format.

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