https://community.appian.com/discussions/f/data/38097/unable-to-made-one-to-one-relationHi Team, I have two CDTs with a one-to-one relationship, which I have already designed and stored. Now, I plan to create records from the database tables. However, I encountered an issue when trying to define the relationship in the records due to theen-USTelligent Community 12https://community.appian.com/thread/143380?ContentTypeID=1Wed, 04 Dec 2024 14:48:59 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:be758234-25e3-4cd4-a6f5-b58f23b8cceaStefan Helzle<p>For a one-to-one to work, both fields must be unique. I do not see a way to do this without at least changing this in the backend database.</p> <p>Sometimes I just&nbsp;ignore this and make it a one-to-many.</p><div style="clear:both;"></div>