After creating the join condition, you can edit it.
To edit the join condition, follow the steps given below

1. Click the joining line connecting to datasets.
   The Edit Join page is displayed.
   
   
   
   

2. Edit the join type, join condition, and the variables to join as per your requirement.

3. Click Apply.
   The data joiner is displayed in the canvas.
   
   
   
   

4. Click the Save icon () on the top right corner of the Data Dictionary page to save the change to the data dictionary.