What are the benefits of using PivotTables over traditional data tables?
What will be an ideal response?
PivotTables have more robust calculation and viewing options than traditional data tables. The concept of "pivot" refers to their ability to present the same data from multiple angles, giving the user the ability to gain additional insight on the data.
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Analyze the following code:
``` public class Test { public static void main(String[] args) { new B(); } } class A { int i = 7; public A() { setI(20); System.out.println("i from A is " + i); } public void setI(int i) { this.i = 2 * i; } } class B extends A { public B() { // System.out.println("i from B is " + i); } @Override public void setI(int i) { this.i = 3 * i; } }``` a. The constructor of class A is not called. b. The constructor of class A is called and it displays "i from A is 7". c. The constructor of class A is called and it displays "i from A is 40". d. The constructor of class A is called and it displays "i from A is 60".
When you display windows in a(n) ________ arrangement, the open windows display in a single stack fanned out so that each title bar is visible
Fill in the blank(s) with correct word
Which of the following commands will create a symbolic link named foo.txt to an original file named bar.txt
A. ln bar.txt foo.txt B. ln foo.txt bar.txt C. ln -s bar.txt foo.txt D. ln -h foo.txt bar.txt
________ ensures that there aren't multiple sources of the same data.
A. Data integrity B. Sharing C. Security D. Reliability