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PostgreSQL 14 Administration Cookbook

PostgreSQL 14 Administration Cookbook

By : Simon Riggs, GIANNI CIOLLI
4.3 (15)
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PostgreSQL 14 Administration Cookbook

PostgreSQL 14 Administration Cookbook

4.3 (15)
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 14 allows you to scale up your PostgreSQL infrastructure. With this book, you'll take a step-by-step, recipe-based approach to effective PostgreSQL administration. This book will get you up and running with all the latest features of PostgreSQL 14 while helping you explore the entire database ecosystem. You’ll learn how to tackle a variety of problems and pain points you may face as a database administrator such as creating tables, managing views, improving performance, and securing your database. As you make progress, the book will draw attention to important topics such as monitoring roles, validating backups, regular maintenance, and recovery of your PostgreSQL 14 database. This will help you understand roles, ensuring high availability, concurrency, and replication. Along with updated recipes, this book touches upon important areas like using generated columns, TOAST compression, PostgreSQL on the cloud, and much more. By the end of this PostgreSQL book, you’ll have gained the knowledge you need to manage your PostgreSQL 14 database efficiently, both in the cloud and on-premise.
Table of Contents (14 chapters)
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Replication concepts

In this recipe, we do not solve any specific replication problem—or, rather, we try to prevent the generic problem of getting confused when discussing replication. We do that by clarifying in advance the various concepts related to replication.

Indeed, replication technology can be confusing. You might be forgiven for thinking that people have a reason to keep it that way. Our observation is that there are many techniques, each with its own advocates, and their strengths and weaknesses are often hotly debated.

There are some simple, underlying concepts that can help you understand the various options available. The terms used here are designed to avoid favoring any particular technique, and we've used standard industry terms whenever available.

Topics

Database replication is the term we use to describe technology that's used to maintain a copy of a set of data on a remote system.

There are usually two...

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