On Wed, 15 Sept 2021 at 06:10, A Z <poweruserm@xxxxxxxxxxx> wrote: > -Is there a simple, immediate, straightforward way to temporarily disable PostgreSQL database > use of all other users, except development users, or in fact just one user (one developer, yourself) > so that maintenance on the data or the data model may be performed? PostgreSQL doesn't require you to eject all other users while such actions are performed, so we haven't spent a lot of time thinking about how to deny people access. What maintenance actions are you thinking are a problem? -- Simon Riggs http://www.EnterpriseDB.com/