PostgreSQL Tutorial: A Comprehensive Guide

Learn PostgreSQL from beginner to advanced concepts. This tutorial covers installation, database administration, SQL queries, and more.

PostgreSQL Tutorial

PostgreSQL is a powerful, open-source object-relational database system. It has been under active development for over 15 years, earning a strong reputation for:

• Reliability
• Data integrity
• Correctness

PostgreSQL is compatible with all major operating systems, including:

• Linux
• UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64)
• Windows

This tutorial is designed to help you get started quickly with PostgreSQL and become comfortable with PostgreSQL programming.

Audience

This tutorial is intended for beginners to help them understand the basic to advanced concepts of PostgreSQL Database.

Prerequisites

Before starting this tutorial, it is assumed that you already have knowledge of the following:

• What a database is, especially RDBMS (Relational Database Management System).
• Basic understanding of computer programming languages.

PostgreSQL Tutorials

• PostgreSQL Contents
• PostgreSQL Tutorial
• PostgreSQL Syntax
• Install PostgreSQL
• Connect to a PostgreSQL Database Server
• PostgreSQL Create Database
• PostgreSQL Select Database
• PostgreSQL Drop Database

PostgreSQL Tables

• PostgreSQL Create Table
• PostgreSQL Drop Table
• PostgreSQL Show Table
• PostgreSQL Describe Table
• PostgreSQL Alter Table
• PostgreSQL Add Columns
• PostgreSQL Drop Column
• PostgreSQL Change Column Type
• PostgreSQL Rename Column
• PostgreSQL Truncate Table
• PostgreSQL Temporary Table
• PostgreSQL Column Alias

PostgreSQL Features

• PostgreSQL Sequence
• PostgreSQL Identity Column
• PostgreSQL Upsert
• PostgreSQL Subquery

PostgreSQL Data Types

• PostgreSQL Data Types
• PostgreSQL Numeric
• PostgreSQL Character
• PostgreSQL Text
• PostgreSQL Varchar
• PostgreSQL Boolean
• PostgreSQL Integer
• PostgreSQL Smallint
• PostgreSQL Bigint
• PostgreSQL Serial
• PostgreSQL Date
• PostgreSQL Time
• PostgreSQL Timestamp
• PostgreSQL Interval
• PostgreSQL UUID
• PostgreSQL JSON
• PostgreSQL HStore

PostgreSQL Advanced Features

• PostgreSQL Array
• PostgreSQL User-Defined Data Type
• PostgreSQL Schema
• PostgreSQL Create Schema
• PostgreSQL Drop Schema
• PostgreSQL Alter Schema

PostgreSQL DML Operations

• PostgreSQL INSERT
• PostgreSQL SELECT
• PostgreSQL UPDATE
• PostgreSQL DELETE

PostgreSQL Clauses

• PostgreSQL WHERE Clause
• PostgreSQL ORDER BY Clause
• PostgreSQL GROUP BY Clause
• PostgreSQL HAVING Clause
• PostgreSQL DISTINCT
• PostgreSQL LIMIT
• PostgreSQL FETCH Clause

PostgreSQL Conditions

• PostgreSQL Conditions
• PostgreSQL AND Condition
• PostgreSQL OR Condition
• PostgreSQL AND/OR Condition
• PostgreSQL NOT Condition
• PostgreSQL LIKE Condition
• PostgreSQL IN Condition
• PostgreSQL NOT IN Condition
• PostgreSQL BETWEEN Condition
• PostgreSQL EXISTS Condition

PostgreSQL Views

• PostgreSQL View

PostgreSQL Joins

• PostgreSQL JOIN
• PostgreSQL INNER JOIN
• PostgreSQL LEFT JOIN
• PostgreSQL RIGHT JOIN
• PostgreSQL FULL JOIN
• PostgreSQL CROSS JOIN
• PostgreSQL SELF JOIN
• PostgreSQL NATURAL JOIN

PostgreSQL Triggers

• PostgreSQL Trigger
• PostgreSQL Create Trigger
• PostgreSQL Drop Trigger
• PostgreSQL Alter Trigger
• PostgreSQL Disable Trigger
• PostgreSQL Enable Trigger

PostgreSQL Indexes

• PostgreSQL Indexes
• PostgreSQL Create Index
• PostgreSQL Drop Index
• PostgreSQL List Indexes
• PostgreSQL Unique Index
• PostgreSQL Index on Expression
• PostgreSQL Partial Index
• PostgreSQL Reindex
• PostgreSQL Multi-Column Indexes

PostgreSQL Constraints

• PostgreSQL Constraints
• PostgreSQL Primary Key
• PostgreSQL Foreign Key
• PostgreSQL Unique Constraint
• PostgreSQL Check Constraint
• PostgreSQL NOT NULL Constraint

PostgreSQL Comparisons

• PostgreSQL Versions
• MongoDB vs PostgreSQL
• PostgreSQL vs SQL Server
• PostgreSQL vs MariaDB
• PostgreSQL vs Oracle
• PostgreSQL vs SQLite

PostgreSQL Interview Preparation

• SQL Interview Questions
• PL/SQL Interview Questions
• SQL Quiz