Remvoing Postgres
iitn@iitn-OptiPlex-9010:~$ dpkg -l | grep postgres
CHECK THE DIFFERENT POSTGRES YOU WANT TO REMOVE
iitn@iitn-OptiPlex-9010:~$ apt-get --purge remove
iitn@iitn-OptiPlex-9010:~$ sudo apt-get --purge remove postgresql-12 postgresql-client-12 postgresql-client-common postgresql-common
iitn@iitn-OptiPlex-9010:~$ sudo rm -rf /var/lib/postgresql
iitn@iitn-OptiPlex-9010:~$ sudo rm -rf /var/log/postgresql
iitn@iitn-OptiPlex-9010:~$ sudo rm -rf /etc/postgresql
Removing Table in Dspace Postgres Sql. Dspace tables are in a single schema, and the name of schema is public
DROP SCHEMA public CASCADE;
CREATE SCHEMA public;
GRANT ALL ON SCHEMA public TO postgres;
GRANT ALL ON SCHEMA public TO public;