You can unassign a connection from the assigned catalog sources.
1On the Configure page, select the Lineage tab, and then select the Lineage Discovery tab.
2On the Catalog Sources panel, select the required catalog source.
You can filter the list by catalog source type or recommendations.
3Click the Assign Connections tab.
The Assign Connections tab displays a list of assigned and unassigned connections along with details for each connection. Use filters to view connections based on the connection names. Click the Add Filter menu to add filters.
Based on the catalog source you select on the Catalog Sources panel, the Related Catalog Sources tab displays a list of related catalog sources.
4On the Assign Connections tab, select a connection and click Unassign from the Action menu.
A warning message appears. Click Unassign to confirm.
5On the Unassign Connection dialog box, select one or more catalog sources to unassign from the connection, and click OK.
A warning message appears.
6Click Unassign to confirm.
A confirmation message appears on the page and the job status of the connection changes to Unassigning. When the job completes, the connection is successfully unassigned.
Note: The unassignment job updates the lineage to reference objects, but the reference objects might still appear as assigned until you re-run the catalog source job.
7If you see reference objects after the unassignment job completes, re-run the catalog source job to update the lineage to the pre-assignment state.
After the connections are unassigned, Metadata Command Center refreshes the percentage of matched objects versus unmatched objects in the connected catalog sources. After you re-run the catalog source job, the lineage updates to the pre-assignment state.