Which of the following statements is true?
a. Using existing exceptions makes the program less robust.
b. Always create your own exception classes.
c. An exception class is like any other class; however, a typical new exception class contains no members other than four constructors.
d. The new exception class should extend RuntimeException if the program should be required to handle the exception.
C
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In the text we state that if, in a distributed database system, each site uses a strict two-phase locking concurrency control (all locks are held until commit time) and the system uses a two-phase commit protocol, transactions will be globally serializable. Does the result also hold if the concurrency controls are not strict—read locks are released early—but are two phase?
What will be an ideal response?
With a(n) ____________________-based animation, you can easily modify the tween as one entity.
Fill in the blank(s) with the appropriate word(s).
Headers and footers are visible in the ________ view
A) Page Layout B) Page Break Preview C) Normal D) Web Layout
The data access principle that ensures no unnecessary access to data exists by regulating members so they can perform only the minimum data manipulation necessary is known as required privilege. __________
Answer the following statement true (T) or false (F)