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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

By : GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs
4.8 (27)
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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

4.8 (27)
By: GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs

Overview of this book

PostgreSQL has seen a huge increase in its customer base in the past few years and is becoming one of the go-to solutions for anyone who has a database-specific challenge. This PostgreSQL book touches on all the fundamentals of Database Administration in a problem-solution format. It is intended to be the perfect desk reference guide. This new edition focuses on recipes based on the new PostgreSQL 16 release. The additions include handling complex batch loading scenarios with the SQL MERGE statement, security improvements, running Postgres on Kubernetes or with TPA and Ansible, and more. This edition also focuses on certain performance gains, such as query optimization, and the acceleration of specific operations, such as sort. It will help you understand roles, ensuring high availability, concurrency, and replication. It also draws your attention to aspects like validating backups, recovery, monitoring, and scaling aspects. This book will act as a one-stop solution to all your real-world database administration challenges. By the end of this book, you will be able to manage, monitor, and replicate your PostgreSQL 16 database for efficient administration and maintenance with the best practices from experts.
Table of Contents (15 chapters)
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13
Other Books You May Enjoy
14
Index

An overview of PostgreSQL security

Security is a huge area of related methods and technologies, so we will take a practical approach, covering the most common issues related to database security.

First, we set up access rules in the database server. PostgreSQL allows you to control access based on the host that is trying to connect, using the pg_hba.conf file. You can specify SSL/GSSAPI connections if needed or skip that if the network is secure. Passwords are encrypted using SCRAM-SHA-256, but many other authentication methods are available.

Next, set up the role and privileges to access your data. Modern databases should be configured using the Principle Of Least Privilege (POLP). Data access is managed by a privilege system, where users are granted different privileges for different tables or other database objects, such as schemas or functions. Thus, some records or tables can only be seen by certain users, and even those tables that are visible to everyone can have restrictions...

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