As you, the reader, found this article, it is likely that you want to manually migrate the ZITADEL PostgreSQL database to a new version. Now, normally this step is being done by the zitadel setup command with the –init-projections=true flag but, as we all know since “2001: A Space Odyssey”, computers can’t be trusted - so you are either paranoid or something went terribly wrong. For manually updating the database, we should first understand the structure a bit.