Nothing built in. So, assuming streaming replication doesn't work for you because these systems have different data, you have two choices: - track schema changes as any other source so you have the change DDL available - use a 3rd-party tool -- Scott Ribe scott_ribe@xxxxxxxxxxxxxxxx https://www.linkedin.com/in/scottribe/ > On Jun 15, 2018, at 4:06 AM, czezz <czezz@xxxxx> wrote: > > However, is there a way to apply only differences of schema on Machine2 ? > In other words to update schema with changes from Machine1? >