Q. Use of a supertype/subtype relationship is necessary when which of the following exists?

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Q. When an entity instance must be a member of only one subtype, it is which of the following?

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Q. When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?

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Q. Which of the following is not one of the three ways to classify an action assertion?

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Q. An action assertion must include which of the following?

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Q. Which of the following statements concerning business rules is true?

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Q. Which one of the following symbols is not used in an ERD?

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Q. Specialization is which of the following processes?

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Q. A subtype discriminator is which of the following?

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Q. A supertype/subtype hierarchy is which of the following?

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Q. A supertype/subtype hierarchy has which of the following features?

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Q. In a relational schema, each tuple is divided into fields called

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Q. A _____ means that one record in a particular record type may be related to more than one record of another record type.

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Q. A _____ means that one record in a particular record type is related to only one record of another record type.

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Q. The way a particular application views the data from the data base that the application uses is a :

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Q. A scheme describes

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Q. A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

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Q. Which of the following situation requires the use of ID-dependent entities?

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Q. A foreign key is:

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Q. Which of the following columns is(are) are required in a table?

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