Data Domain Discovery in Informatica Analyst Overview
When you create a profile to perform data domain discovery, you can select the source columns, data domains with which you want to match column data and column name, and sampling options. You can choose a conformance criteria for data domain discovery and exclude null values during data domain discovery.
You can create a profile with a sampling option and filters to perform data domain discovery. When you run the profile, you apply the sampling option and filters on the data source and generate a data set. The data domain discovery process uses the data set to discover data domains.