Using enhanced SQL and other miscellaneous features v15
EDB Postgres Advanced Server includes enhanced SQL functionality and other features that add flexibility and convenience.
Using the COMMENT command
Describes how to add comments to objects
Configuring logical decoding on standby
Describes how to create a logical replication slot on a standby server
Obtaining version information
Describes how to display the product name, version, and the host system on which it was installed.