20. Using Unlinked Data and “Driver” Tables
“If you only have a hammer, you tend to see every problem as a nail.”
—Abraham Maslow
Topics Covered in This Chapter
Solving Problems with Unlinked Data
Solving Problems Using “Driver” Tables
Before you start this chapter, make sure you get a good night’s sleep! And while we’re doling out warnings, perhaps you should also make sure your seat belt is securely fastened. We promised that we would introduce you to concepts that make you think “outside the box.” In this chapter, we are going to tackle problems that can be solved using unlinked data—problems where you will use more than one table in your FROM clause, but you won’t ...
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