Describe the limitations of the copy constructor.
What will be an ideal response?
There are times in which the copy constructor does not work as it was intended, and the method clone() is a much better choice because of the principal of polymorphism.
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Use the example schema (16.4) on page 703 to design a query for finding the names of all managers (employees with Title = ’manager’) whose salary is more than |S20,000, but assume that there are three warehouses. Also assume that the total number of employees is 100,000, that 5000 of them make over |S20,000, that the total number of managers is 50, and that 90% of the managers make more than |S20,000.
What will be an ideal response?
A variable of type Integer can be assigned directly to what type of variable?
(A) Integer (B) Decimal (C) Double (D) all of the above
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Answer the following statement true (T) or false (F)
Which of the following is not true of system penetration?
a) Every system penetration is potentially dangerous. b) It is a successful breach of a system’s security. c) It leads to denial of service. d) Many attacks rely on a successful system penetration.