On Mon, 2024-06-24 at 08:20 +0530, Siraj G wrote: > We are trying to migrate a on-premise PgSQL (v10) to GCP Cloud SQL's PgSQL (v10) via PubSub replication. > There are few archive tables with non-primary key are having issues in the replication. That's not surprising. You should create primary keys, if necessary only for the replication. Yours, Laurenz Albe