Database Design for Mere Mortals

Chapter 11. Business Rules

	You are remembered          for the rules you break.
	--General Douglas MacArthur

Topics Covered in This Chapter

• What Are Business Rules?

• Defining and Establishing Business Rules

• Validation Tables

• Reviewing the Business Rule Specification Sheets

• CASE STUDY

• Summary

Throughout the database design process, you've performed tasks that helped to establish various levels of data integrity. Thus far, you've established table-level integrity, field-level integrity, and relationship-level integrity. In doing so, you've ensured that the table and field structures are sound, that data entered into the fields will be consistent and basically valid, and that the relationships between the tables are meaningful and properly established. ...