Besides Data Model, Any Other Possible References?

Well, there is something known as Database Design Pattern.

• The Database Programmers listed some patterns like: THE Extend Pattern etc
• Patterns of Enterprise Application Architecture : http://martinfowler.com/eaaCatalog/index.html
• Interesting Discussion Table Inheritance in SQL Server: http://www.sqlteam.com/article/implementing-table-inheritance-in-sql-server
• The Way to Model Party (People and Organisation): 
• http://www.tdan.com/view-articles/5014, 
• http://www.information-management.com/issues/20020701/5339-1.html and 
• Employee - Phone Numbers : http://www.sqlteam.com/article/implementing-table-interfaces
• Project.Net  

A few books are being mentioned all over the place.