Postgresql Book References
PostgreSQL -- Up and Running -- 1st Edition Url: https://drive.google.com/open?id=1cfZtwvN6MZDYxgSWR0cXxdgwd4TtghtG PostgreSQL -- Up and Running -- 2nd Edition Url: https://drive.google.com/open?id=1p6jNG6wyro-svzXfIKRGSsNoZddA4akh Beginning Databases with PostgreSQL -- From Novice to Professional (Beginning From Novice to Professional) -- 2nd Edition Url: https://drive.google.com/open?id=1uQElel4BoIXGxqdqmYVbWToyYoRpoljA