postgres tutorial 1

download postgres 9.6
https://www.enterprisedb.com/downloads/postgres-postgresql-downloads

download sample database
http://www.postgresqltutorial.com/postgresql-sample-database/

ER diagram

load database to postgres
http://www.postgresqltutorial.com/load-postgresql-sample-database/

reference:
http://www.postgresqltutorial.com/