if you would like an Access Database.
A wide range of Customer-related Data Models ia available and listed on
my Data Models page
And here's a Model showing
Salesforce Accounts and Contacts
for the Database are being drafted.
A Data Model showing Attributes
will be produced.
If you new to Databases, you will find
my new Tutorial
helpful to Understand the Database Schema.
Separate Data Models will be created for Master Data Management and Data Marts :-
Master Data Management
Customer Data Audit
Customer Data Catalog
Customer Master Integration
Single View of the Customer
Customer Data Mart
Customer Products and Services usage
Good and Bad Customers
Customer Segmentation and 'Communities'