tailieunhanh - Module 7: Implementing Data Integrity

Data integrity refers to the consistency and accuracy of data. An important step in database planning is deciding how to ensure this integrity. Three categories of data integrity can be employed: domain, entity, and referential. Here you will learn about domain and entity integrity. (Referential integrity will be discussed in detail in the following topic.) | Module 7 Implementing Data Integrity Module 7 Implementing Data Integrity 147 Overview Slide Objective To provide an overview of this module s topics and objectives. Lead-in In this module you will learn how to enforce business rules and maintain data integrity. At the end of this module you will be able to Identify business rules that relate to data integrity. Identify the data integrity requirement type to which a business rule applies. Evaluate and determine a location for implementing data integrity. List implementation techniques for a given data integrity .

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