Step 7: 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:

Formula

Example

Index Levels

Pages

   Pages

     Rows

3

          1

          49

2

+

        49

      2771

1

+

    2771

  157895

0

+

157895

9000000

Total number of 2K pages used

160716