Chapter 3. Relationships: Your Key to Data Integrity
Why This Chapter Is Important
A relationship exists between two tables when one or more key fields from one table are matched to one or more key fields in another table. The fields in both tables usually have the same name, data type, and size. Relationships are a necessary by-product of the data normalization process. Data normalization was introduced in Chapter 1, “Access as a Development Tool” it is covered in additional detail in this chapter. ...
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