Data Discovery Guide

10.4.0
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Data Domain Selection for Enterprise Discovery

Inference options determine whether data domain discovery must run on column data, column name, or both. You can specify whether the profile needs to process all the rows in the data source, and choose a conformance criteria for data domain match.

The following table describes the data domain inference options that you configure for enterprise discovery:

Option	Description
Override the default inference options	Changes the predefined inference options.
Data	The profile runs on column data.
Column name	The profile runs on column titles.
Data and column name	The profile runs on both column data and column titles.
Minimum percentage of rows	The minimum conformance percentage of rows in the data set required for a data domain match. The conformance percentage is the ratio of number of matching rows divided by the total number of rows. The Developer tool considers null values as nonmatching rows.
Minimum number of rows	The minimum number of rows in the data set required for a data domain match.
Exclude null values from data domain discovery	Excludes the null values from the data set for data domain discovery.
All rows	The profile runs on all rows of the data source.
Sample first	The maximum number of rows the profile can run on. The Developer tool chooses rows starting from the first row in the source.
Exclude approved data types and data domains from the data type and data domain inference in the subsequent profile runs	Excludes the approved data type or data domain from data type and data domain inference from the next profile run.

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Data Discovery Guide

Data Discovery Guide

Data Domain Selection for Enterprise Discovery

Data Domain Selection for Enterprise Discovery