Managing system indicators

System indicators are predefined but editable indicators that you can use on analyses.

Editing a system indicator

Although system indicators are predefined indicators, you can open their editors to check or to edit their settings and their definitions in order to adapt them to a specific database version or to a specific need, for example. However, you can not edit the name of the system indicator.

Important: When you edit an indicator, you modify the indicator listed in the DQ Repository tree view. Make sure that your modifications are suitable for all analyses that may be using the modified indicator.

Procedure

In the DQ Repository tree view, expand Libraries > Indicators, and then browse through the indicator lists to reach the indicator you want to modify.
Right-click the indicator name and select Open from the contextual menu.

The indicator editor opens displaying the selected indicator parameters.
Modify the indicator metadata.
You can edit any metadata field of the system indicator except the indicator name which is not editable..
Click Indicator Definition.
In this view, you can edit the indicator definition, change the selected database and add other indicators specific to available databases using the [+] button at the bottom of the editor.
Click the save icon on top of the editor to save your changes.
If the indicator is simple enough to be used in all databases, select Default in the database list.

Setting system indicators and indicator options to column analyses

You can define system indicators and indicator parameters for columns of database tables that need to be analyzed or monitored. For more information, see Setting indicators on columns and Setting options for system or user-defined indicators.

Exporting or importing system indicators

You can export system indicators to folders or archive files and import them again in Talend Studio on the condition that the export and import operations are done in compatible versions of Talend Studio. For further information, see Exporting data profiling items and Importing data profiling items or projects.

Duplicating a system indicator

To avoid creating a system indicator from scratch, you can duplicate an existing one in the indicator list. once the copy is created, you can work around its metadata to have a new indicator and use it in data profiling analyses.

Procedure

In the DQ Repository tree view, expand Libraries > Indicators.
Browse through the indicator lists to reach the indicator you want to duplicate, right-click its name and select Duplicate from the contextual menu.

Results

The indicator is duplicated as a user-defined indicator and is displayed under the User Defined Indicators folder in the DQ Repository tree view.

What to do next

The indicator category of the duplicated Fraud Detection and Soundex indicators is User Defined Frequency. Thus, two columns are expected in the result set of the analysis that uses these duplicated indicators, whereas four columns are expected when using the original system indicators.

To be able use the duplicated Fraud Detection and Soundex indicators in data profiling analyses, you need to edit the indicator definition or create new indicators. For more information on editing user-defined indicators, see Editing a user-defined indicator.

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