Alcance
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:— performing structure analysis to determine data element concepts;— performing column analysis to identify relevant data elements, including statistics about a data set;— performing relationship analysis to identify dependencies in a data set.The following are outside the scope of this document:— methods for extracting and sampling data to be profiled from a data set;— deriving data rules;— 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.