NextGenTips published a tutorial about installing and Configuring PostgreSQL 15 on Debian 11.
How to install and Configure PostgreSQL 15 on Debian 11
In this article, we are going to learn how to install and get PostgreSQL 15 up and running on a Debian 11 server. PostgreSQL is a powerful, open-source object-relational database system that uses and extends the SQL language combined with many features that safely store and scale the most complicated data workloads.