Book Image

PostgreSQL 11 Administration Cookbook

By : Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala
Book Image

PostgreSQL 11 Administration Cookbook

By: Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala

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 11 allows you to scale up your PostgreSQL infrastructure. This book takes a step-by-step, recipe-based approach to effective PostgreSQL administration. The book will introduce you to new features such as logical replication, native table partitioning, additional query parallelism, and much more to help you to understand and control, crash recovery and plan backups. You will learn how to tackle a variety of problems and pain points for any database administrator such as creating tables, managing views, improving performance, and securing your database. As you make steady progress, the book will draw attention to important topics such as monitoring roles, backup, and recovery of your PostgreSQL 11 database to help you understand roles and produce a summary of log files, ensuring high availability, concurrency, and replication. By the end of this book, you will have the necessary knowledge to manage your PostgreSQL 11 database efficiently.
Table of Contents (19 chapters)
Title Page
Copyright and Credits
About Packt

Hot logical backups of one database

Logical backup makes a copy of the data in the database by dumping the content of each table, as well as object definitions for that same database (such as schemas, tables, indexes, views, privileges, triggers, and constraints).

How to do it…

The command to do this is simple. The following is an example of doing this when using a database called pgbench:

pg_dump -F c pgbench > dumpfile

Alternatively, you can use the following command:

pg_dump -F c -f dumpfile pgbench

Finally, we note that you can also run pg_dump via the pgAdmin 4 GUI, as shown in the following screenshot:

How it works…

The pg_dump utility produces a single output file. This output file can use the split command to separate the file into multiple pieces, if required.


The pg_dump archive file, also known as the custom format, is lightly compressed by default. Compression can be removed or made more aggressive.


Even though, by default, pg_dump writes an SQL script directly to standard output...