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Database - Object-Oriented Database

Exercise : Object-Oriented Database - General Questions
1.
ODL supports which of the following types of association relationships?
Unary
Unary and Binary
Unary and Binary and Ternary
Unary and Binary and Ternary and higher
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
An extent is which of the following?
A keyword that indicates that the subclass inherits from a superclass
A keyword that indicates that the superclass inherits from a subclass
The set of all instances of a class within a database
Only one instance of a class within a database
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Identify the class name for the following code: ABC123 course();
ABC123
course
course()
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Using ODL, you can define which of the following?
Attribute
Structure
Operation
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The keyword "inverse" is used in which of the following?
Class
Attribute
Relationship
All of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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