Hi @Sanjana12 ,
In the reconciliation tab of enrichment, you can reconcile with other schemas, but one to one link is possible.
If you want to join with other tables with other cardinalities like 1 to 0/1 or 1 to 1 or 1 to Many, you need to add as link in enrichment > add data > A link >
Whereas in Reconciliation tab, only 1 to 1 is possible.
So depends on your use case, you need to decide.
For more information, Enrichment - Creating a link and Data reconciliation