Book Image

PostgreSQL 10 Administration Cookbook - Fourth Edition

By : Simon Riggs, Gianni Ciolli
Book Image

PostgreSQL 10 Administration Cookbook - Fourth Edition

By: Simon Riggs, Gianni Ciolli

Overview of this book

PostgreSQL is a powerful, open source database management system with an enviable reputation for high performance and stability. With many new features in its arsenal, PostgreSQL 10 allows users to scale up their PostgreSQL infrastructure. This book takes a step-by-step, recipe-based approach to effective PostgreSQL administration. Throughout this book, you will be introduced to these new features such as logical replication, native table partitioning, additional query parallelism, and much more. You will learn how to tackle a variety of problems that are basically the pain points for any database administrator - from creating tables to managing views, from improving performance to securing your database. More importantly, the book pays special attention to topics such as monitoring roles, backup, and recovery of your PostgreSQL 10 database, ensuring high availability, concurrency, and replication. By the end of this book, you will know everything you need to know to be the go-to PostgreSQL expert in your organization.
Table of Contents (14 chapters)

Accessing objects in other foreign databases

In the previous recipe, you saw how to use objects from a different PostgreSQL database, either with dblink or by using the Foreign Data Wrapper infrastructure. Here we will explore another variant of the latter-using Foreign Data Wrappers to access databases other than PostgreSQL.

There are many Foreign Data Wrappers for other database systems, all of which are maintained as extensions independently from the PostgreSQL project. PGXN, the PostgreSQL Extension Network mentioned in Chapter 3, Configuration, is a good place where you can see which extensions are available.

Just note this so that you don't get confused: while you can find Foreign Data Wrappers to access several database systems, there are also other wrappers for different types of data sources, such as text files, web services, and so on.There is even postgres_fdw...