On Tue, Nov 21, 2023 at 6:29 AM Dick Visser <dnmvis...@gmail.com> wrote:
> Hi > > I'm working with AWS RDS PG instances that have been created over time, > and that by now are a mix of several major/minor versions ranging from 12 > to 15. > The initial configuration and management is done from an EC2 instance > running Debian 11, which has Postrgres 13.13. > I already found out that there are compatibility issues if I use the > client programs from the Debian VM when they're older than the server > version. > Like what? psql can *sometimes* be wonky when running against newer servers, as can PgAdmin4, but that's because they won't understand changed catalog tables. Do the other client programs use new SQL features?