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Object Oriented Database

Object Oriented Database
An ordered collection of elements of the same type are called sets.

True
False

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Object Oriented Database
Which of the following is an unordered collection of elements that may contain duplicates?

Bag
Dictionary
Set
List

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Object Oriented Database
Using OQL, you may do which of the following?

Return a collection of elements without duplicates.
All of these
Return an entire collection of elements including duplicates.
Return a specific subset of elements using a given criteria.

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Object Oriented Database
The Object Query Language is which of the following?

Similar to SQL and uses a select-from-where structure
Similar to SQL and uses a from-where structure
Not similar to SQL
Similar to SQL and uses a select-where structure

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

True
False

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

course
course()
ABC123
All of these

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