For example, you need to test a banking application that offers credit cards to customers. You create a
with tables that contain data related to the credit card types and the criteria for each. The data could include location and the minimum balance required for each type of card. The
also contains tables with customer information. To understand whether you have sufficient data for the different test cases, you need to analyze the amount of data that you have in different categories. For example, you need to know if you have sufficient data for each type of card in each location.