No matter how well an enterprise implements a CRM, ERP, SCM, Business Intelligence, or Data Warehouse project, poor data quality can destroy its utility and cost real dollars.
documentation of crm management system
domain values . The documentation for a system indicates that the values for a column will be (A,B,C), but the data actually contains (A,B,C,d,e,f). This can lead to a variety of fatal problems. Cardinality . Cardinality indicates the number of unique values found within a data set. For a primary key, the cardinality is expected to be equal to the total number of records, while for a Yes/No field the cardinality is expected to be two. Uniqueness . The degree of uniqueness in the data can point to data