psql -h hostname -U user -p port
\c database_name
\conninfo
\l
\dt
\q
Group RDS
psql --host=data472-jre141-groupcollection-1.cyi9p9kw8doa.ap-southeast-2.rds.amazonaws.com --port=5432 --username=postgres
Individual RDS
psql --host=data472-hwa205-database-1.cyi9p9kw8doa.ap-southeast-2.rds.amazonaws.com --port=5432 --username=postgres