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Oracle Nested Tables - Quiz

Each question is worth one point. Select the best answer for each question.
 
1. What is the difference between an object type and an object?
Please select the best answer.
  A. There is no difference.
  B. An object type has data associated with it, whereas objects can be used as building blocks for other objects and tables.
  C. An object type can be used as a building block for other objects and tables, whereas objects have data associated with them.
  D. Objects are persistent, object types are not.

2. What are the limitations with the relational approach that are resolved by the object-relational approach?
Please select the best answer.
  A. The limitations include objects, object types, attributes, and methods.
  B. There are no limitations with the relational approach.
  C. The limitations exist in the definition of objects.
  D. The limitations that are resolved in the object-relational approach include representing encapsulation, composition, aggregation, and inheritance.

3. What are the two types of collections?
Please select the best answer.
  A. Objects and object types.
  B. Varrays and nested tables.
  C. Tables and columns.
  D. Oracle8i does not support collections.
Correct answers:

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