Book Image

PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Book Image

PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Overview of this book

PostgreSQL is a powerful opensource database management system; now recognized as the expert's choice for a wide range of applications, it has an enviable reputation for performance and stability. PostgreSQL provides an integrated feature set comprising relational database features, object-relational, text search, Geographical Info Systems, analytical tools for big data and JSON/XML document management. Starting with short and simple recipes, you will soon dive into core features, such as configuration, server control, tables, and data. You will tackle a variety of problems a database administrator usually encounters, from creating tables to managing views, from improving performance to securing your database, and from using monitoring tools to using storage engines. Recipes based on important topics such as high availability, concurrency, replication, backup and recovery, as well as diagnostics and troubleshooting are also given special importance. By the end of this book, you will have all the knowledge you need to run, manage, and maintain PostgreSQL efficiently.
Table of Contents (13 chapters)

Moving objects between tablespaces

Moving data between tablespaces may sometimes be required.

Getting ready

First, create your tablespaces. Once the old and new tablespaces exist, we can issue the commands to move them.

How to do it...

Tablespaces can contain both permanent and temporary objects.

Permanent data objects are tables, indexes, and TOAST objects. We don't need to worry too much about TOAST objects because they are created in and always live in the same tablespace as their main table. So, if you alter the tablespace of a table, its TOAST objects will also...