Freeze Primary Keys
When you are working with Database Data Freeze Primary Keys option gives you additional benefits.
Primary Key Columns and Rows are always frozen and visible, when you are scrolling the worksheet.
In order to use this feature you need to use Database Comparison option. With this option disabled, primary keys are not frozen.
After you've enabled Database Comparison option use this command:
Image below displays the result, you should get on your worksheet:
If you've enabled this option, but you don't see primary keys on your worksheet - they are not defined.
The best way to determine that you've defined Primary Keys - enable Highlight Primary Keys option.
If keys are not defined - please read the topic on how to define and change Primary Keys.