Book Image

Learning PostgreSQL 10 - Second Edition

Book Image

Learning PostgreSQL 10 - Second Edition

Overview of this book

PostgreSQL is one of the most popular open source databases in the world, supporting the most advanced features included in SQL standards. This book will familiarize you with the latest features released in PostgreSQL 10. We’ll start with a thorough introduction to PostgreSQL and the new features introduced in PostgreSQL 10. We’ll cover the Data Definition Language (DDL) with an emphasis on PostgreSQL, and the common DDL commands supported by ANSI SQL. You’ll learn to create tables, define integrity constraints, build indexes, and set up views and other schema objects. Moving on, we’ll cover the concepts of Data Manipulation Language (DML) and PostgreSQL server-side programming capabilities using PL/pgSQL. We’ll also explore the NoSQL capabilities of PostgreSQL and connect to your PostgreSQL database to manipulate data objects. By the end of this book, you’ll have a thorough understanding of the basics of PostgreSQL 10 and will have the necessary skills to build efficient database solutions.
Table of Contents (23 chapters)
Title Page
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Chapter 2. PostgreSQL in Action

PostgreSQL (pronounced Post-Gres-Q-L) or postgres for short is an open source object relational database management system. It emphasizes extensibility and creativity as well as compatibility. It competes with the major relational database vendors such as Oracle, MySQL, SQL servers, and others. It is used by different sectors including government agencies and the public and private sectors. It is a cross-platform DBMS, and runs on most modern operating systems including Windows, macOS, and Linux flavors. It conforms to SQL and is ACID-compliant.

In this chapter, we will explore several topics including:

  • PostgreSQL history.
  • Selected PostgreSQL forks. 
  • Companies utilizing PostgreSQL and success stories
  • PostgreSQL usage pattern.
  • PostgreSQL architecture, capabilities and features.
  • PostgreSQL installation on Linux as well as windows.
  • PostgreSQL client tools with emphases on psql because it is often used on a daily basis.