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

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

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

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