A ________ displays a subset of data from a table (or tables) based on the specified criteria
A) criteria query B) table query C) select query D) join query
C
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Which operation will retrieve the item at position i in anArray?
A. anArray[i] = val; B. val[i] = anArray[i]; C. val = anArray[i]; D. i[val] = anArray;
Class deque provides:
a. Efficient indexed access to its elements. b. The ability to add storage at either end of the deque. c. Efficient insertion and deletion operations at the front and back of a deque. d. All of the above.
Analyze the following code.
``` public class Test { int x; public Test(String t) { System.out.println("Test"); } public static void main(String[] args) { Test test = null; System.out.println(test.x); } }``` a. The program has a compile error because test is not initialized. b. The program has a compile error because x has not been initialized. c. The program has a compile error because you cannot create an object from the class that defines the object. d. The program has a compile error because Test does not have a default constructor. e. The program has a runtime NullPointerException because test is null while executing test.x.
Why is prime factorization significant?
a. Because it is computationally difficult b. Because it is difficult to find a prime number c. Because prime numbers are rare d. Because prime numbers are difficult to multiply and divide