Constraints and Data Relations
In chapter 3, you encountered constraints and data relations. In this chapter, we discuss constraints and data relations in more detail. First, we start this chapter with a discussion of constraints and how ADO.NET constraint objects maintain data integrity. Second, we discuss data relations. An object that encapsulates a data relationship may be a new concept for many programmers.
KeywordsData Relation Extend Property Unique Constraint Constraint Class Default Action
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