Column Description Propagation ✨

How Catalog leverages Column Lineage to increase documentation coverage

This feature requires Column Lineage. If it is not part of your plan do reach out to us

It is frequent for a column to be reused "as is" by downstream tables. In that case, the column will be called in the "Select" SQL clause, without any modification.

In that case, why should you document the downstream columns? You're right, you should not have to! And Catalog solves that for you this way:

In the picture below, user.account_id inherits its description from its parent column in the opportunity table

Catalog will only show the parent column if it is unique and unaltered