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

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

ANSWER DOWNLOAD EXAMIANS APP

Object Oriented Database
Which of the following is true concerning the following statement: class Manager extends Employee

Manager is an abstract class and a subclass.
Manager is a concrete class and a subclass.
Manager is a concrete class and a superclass.
Manager is an abstract class and a superclass.

ANSWER DOWNLOAD EXAMIANS APP