Step 11: Calculate the total number of non-leaf index pages

Add the number of pages at each level to determine the total number of pages in the index:

Index Levels

Pages

 Pages

   Rows

4

           1

             2

3

+

+

           2

           70

2

+

+

         70

       3348

1

+

+

     3349

   160715

0

+

+

 160715

 9000000

Total number of 2K data pages used

 164137