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Object-Oriented Database

11.

A collection of literals or object types is called a bag.

Answer: A

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12.

An attribute's value is always literal.

Answer: A

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13.

An atomic literal is which of the following?

Answer: D

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14.

The ODMG Object Model supports only unary and binary relationships.

Answer: A

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15.

Database objects are almost always transient.

Answer: B

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16.

Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s)

Answer: A

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17.

Identify the class name for the following code: ABC123 course();

Answer: A

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18.

Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.

Answer: A

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19.

The keyword "inverse" is used in which of the following?

Answer: C

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20.

You may specify an object identifier with only one unique tag name.

Answer: B

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