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

The PostgreSQL superuser

In this recipe, you will learn how to grant the right to a user to become a superuser.

A PostgreSQL superuser is a user that bypasses all permission checks, except the right to log in. This is a dangerous privilege and should not be used carelessly. Many cloud databases do not allow this level of privilege to be granted. It is normal to place strict controls on users of this type.

How to do it…

Follow the steps to add or remove superuser privileges for any user:

  1. A user becomes a superuser when it is created with the SUPERUSER attribute set:
  1. A user can be deprived of its superuser status by removing the SUPERUSER attribute using this command:
  1. A user can be restored to superuser status later using the following command:
  1. When neither SUPERUSER nor NOSUPERUSER is given in the CREATE USER command, then the default is to create a user who is not a superuser.

How it works…

The rights to...