1 Scope
This document specifies a procedure for data profiling to generate the foundation for performing data quality assessment. This profiling is applicable to data sets that are either originally in a structure of tables and columns or are the output from a transformation to create such a structure.
NOTE 1 Data profiling is applicable to all types of database technology.
The following are within the scope of this document:
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— performing structure analysis to determine data element concepts;
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— performing column analysis to identify relevant data elements, including statistics about a data set;
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— performing relationship analysis to identify dependencies in a data set.
The following are outside the scope of this document:
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— methods for extracting and sampling data to be profiled from a data set;
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— deriving data rules;
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— measuring the extent of nonconformities in a data set.
NOTE 2 ISO 8000‑8 specifies approaches to measuring data and information quality.
This document can be used in conjunction with, or independently of, quality management systems standards.