Book Image

Mastering PostgreSQL 9.6

By : Hans-Jürgen Schönig
Book Image

Mastering PostgreSQL 9.6

By: Hans-Jürgen Schönig

Overview of this book

PostgreSQL is an open source database used for handling large datasets (Big Data) and as a JSON document database. It also has applications in the software and web domains. This book will enable you to build better PostgreSQL applications and administer databases more efficiently. We begin by explaining the advanced database design concepts in PostgreSQL 9.6, along with indexing and query optimization. You will also see how to work with event triggers and perform concurrent transactions and table partitioning, along with exploring SQL and server tuning. We will walk you through implementing advanced administrative tasks such as server maintenance and monitoring, replication, recovery and high availability, and much more. You will understand the common and not-so-common troubleshooting problems and how you can overcome them. By the end of this book, you will have an expert-level command of the advanced database functionalities and will be able to implement advanced administrative tasks with PostgreSQL.
Table of Contents (14 chapters)
Free Chapter
PostgreSQL Overview

Moving from Oracle to PostgreSQL

So far, you have seen how the most important advanced SQL features can be ported or used in PostgreSQL. After this introduction, it is time to take a look at migrating Oracle database systems in particular.

These days, migrating from Oracle to PostgreSQL has become really popular due to Oracle's new license and business policy. Around the world, people are moving away from Oracle and adopting PostgreSQL. To help people make Oracle a thing of the past, I have included a special section here. Many people are already moving to PostgreSQL to seriously reduce license costs.

Using the oracle_fdw extension to move data

One of my preferred methods to move people from Oracle to PostgreSQL is Laurenz Albe's oracle_fdw extension (https...