Data Quality: The Accuracy Dimension
Data Quality: The Accuracy Dimension is about assessing the quality of corporate data and improving its accuracy using the data profiling method. Corporate data is increasingly important as companies continue to find new ways to use it. Likewise, improving the accuracy of data in information systems is fast becoming a major goal as companies realize how much it affects their bottom line. Data profiling is a new technology that supports and enhances the accuracy of databases throughout major IT shops. Jack Olson explains data profiling and shows how it fits into the larger picture of data quality.
* Provides an accessible, enjoyable introduction to the subject of data accuracy, peppered with real-world anecdotes.
* Provides a framework for data profiling with a discussion of analytical tools appropriate for assessing data accuracy.
* Is written by one of the original developers of data profiling technology.
* Is a must-read for any data management staff, IT management staff, and CIOs of companies with data assets.
What people are saying - Write a review
We haven't found any reviews in the usual places.
accurate application assessment blank business analysts business meaning business object COBOL column properties complete corporation correct cost created data accuracy data cleansing data elements data entry data mart data profiling process data profiling repository data quality assurance data quality problems data source data type data warehouse database administrators database systems decisions defined definition denormalized determine discovered discovery documented domain employee errors example execution exist expected extraction facts field foreign key functional dependencies identify impact implementation important improve inaccuracies inaccurate data inaccurate values information systems inventory involve issues look metadata repository monitoring multiple NULL potential primary key primary key/foreign key projects record remedies require result rows source systems specific stored structure analysis supplier synonyms target system tion transaction unique valid values Value Rules violations wrong values ZIP CODE
Page 10 - With the growing availability of knowledge, experts, books, methodologies, software tools, and corporate resolve, high-quality database systems will become the norm, and there will be no excuse for not having them.