Datical uses the following Postgres Command Line Utilities:
psql
pg_dump
pg_restore
To set them up:
Ensure that the desired version of the above are installed on the Datical DB host.
Ensure that the installation directories are in the PATH
The latest version of the Postgres Command Line Utilities is backwards compatible to Postgres 9.6 and works with Postgres Community, Amazon RDS, & Amazon Aurora databases
If using Postgres 9.5 or earlier, ensure your version of Postgres Command Line Utilities matches that of the database