Note that the example above defines the column type in terms of the native DBMS data types. Behavior So far we have only defines the logical (static) structure of the table; in addition we should ...

Traditionally, database queries must be issued in terms of explicit, unambiguous constraints expressed as specific value ranges—for example, “List all the customers who live in California, are ...

Occasionally one may hear that a data model is 'over-normalized,' but just what does that mean? Normalization is intended to analyze the functional dependencies across a set of data. The goal is to ...