11. Business Rules
You are remembered for the rules you break.
—GENERAL DOUGLAS MACARTHUR
Topics Covered in This Chapter
Throughout the database design process, you’ve performed tasks that helped to establish various levels of data integrity. You’ve established table-level integrity, field-level integrity, and relationship-level integrity thus far. 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 relationships are meaningful and properly established. ...