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Chapter 7: PRECISE DATA INTEGRITY RULES > PRECISE DATA INTEGRITY RULE CONCEPT - Pg. 284

Data Resource Simplexity __________________________________________________ Productivity is lost identifying and correcting data errors. The time spent finding and resolving data errors far exceeds the time needed to define and implement good data integrity rules. Productivity is lost resolving bad perceptions, reclaiming lost customers, and rebuilding citizen confidence. Productivity is lost resolving inappropriate business actions and recovering from lost business opportunities. PRECISE DATA INTEGRITY RULE CONCEPT Precise means clearly expressed, definite, accurate, correct, and conforming to proper form. Data integrity was defined above. A precise data integrity rule is a data integrity rule that precisely specifies the criteria for high quality data values and reduces or eliminates data errors. The consistent application and enforcement of precise data integrity rules ensure high quality data. Precise data integrity rules overcome the problems of imprecise data integrity rules. The concept of precise data integrity rules has been