Object Oriented Database
The reserved word enum is used for which of the following?

All of these
To define a range for an attribute.
To define a range for a relationship.
To define a range for a class.

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Object Oriented Database
Which of the following is true concerning an ODBMS?

They are most useful for traditional, two-dimensional database table applications.
They are overtaking RDBMS for all applications.
All of these
They have the ability to store complex data types on the Web.

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Object Oriented Database
An extent is which of the following?

A keyword that indicates that the subclass inherits from a superclass
Only one instance of a class within a database
The set of all instances of a class within a database
A keyword that indicates that the superclass inherits from a subclass

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