Uniqueness in PostgreSQL: Constraints versus Indexes
Avoid naming a constraint directly when using ON CONFLICT DO UPDATE
PostgreSQL Upsert Using INSERT ON CONFLICT statement
How to install PostgreSQL 9.5 on CentOS 7
Alias for table name in SQL insert statement
Postgres 9.5 feature highlight – Upsert
psql: FATAL: database “
psql: FATAL: Ident authentication failed for user “username” Error and Solution
Postgresql Repos: 9.5, 9.6
Postgresql Sample Databases
Postgres.app
brew install postgresql@9.6