Install pgadmin3-data by entering the following commands in the terminal:
sudo apt update sudo apt install pgadmin3-data
Description:
graphical administration tool for PostgreSQL - documentation
pgAdmin III is a database design and management application for use with PostgreSQL. . This package contains the documentation for pgAdmin III in English language. This package is mandatory to get the pgAdmin III help system to run smoothly.
Homepage: http://www.pgadmin.org/
Version: 1.22.2-4
Section: universe/misc