PostgreSQL 14 Administration Cookbook: Over 175 proven recipes for database administrators to manage enterprise databases effectively, 3rd Edition
- Length: 550 pages
- Edition: 1
- Language: English
- Publisher: Packt Publishing
- Publication Date: 2022-04-11
- ISBN-10: 1803248971
- ISBN-13: 9781803248974
- Sales Rank: #0 (See Top 100 Books)
Key Features
- Troubleshoot and tackle any administration and management problems in PostgreSQL 14
- Find expert techniques for monitoring, fine-tuning, and securing your database
- Adopt efficient replication for high-availability with PostgreSQL 14
Book Description
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. This book takes 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, and regular maintenance and, if needed, 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 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.
What you will learn
- Plan, manage and maintain PostgreSQL databases in production
- Work with the newly introduced features of PostgreSQL 14
- Use pgAdmin or OmniDB to perform database administrator (DBA) tasks
- Use psql to write accurate and repeatable scripts
- Tackle real-world data issues and their solutions, with examples
- Select and implement robust backup and recovery techniques in PostgreSQL 14
- Deploy best practices for planning and designing live databases
Who This Book Is For
This Postgres book is aimed at database administrators, data architects, database developers, or anyone with an interest in planning and running live production databases using PostgreSQL 14. Those looking for hands-on solutions to any problem associated with PostgreSQL 14 administration will also find this book useful. Some experience with handling PostgreSQL databases will be beneficial to make the most out of this book, though it will be a useful aid if you are just beginning your Postgres journey.
B17944_10 PostgreSQL 14 Administration Cookbook PostgreSQL 14 Administration Cookbook 7 Database Administration Writing a script that either succeeds entirely or fails entirely How to do it… How it works… There's more… Writing a psql script that exits on the first error Getting ready How to do it… How it works… There's more… Using psql variables Getting ready How to do it… How it works… There's more… Placing query output into psql variables Getting ready How to do it… How it works… There's more… Writing a conditional psql script Getting ready How to do it… How it works… There's more… Investigating a psql error Getting ready How to do it… There's more… Setting the psql prompt with useful information Getting ready How to do it… How it works… Using pgAdmin for DBA tasks Getting ready How to do it… How it works... There's more… Scheduling jobs for regular background execution Getting ready How to do it… How it works… There's more… Performing actions on many tables Getting ready How to do it… How it works… There's more… Adding/removing columns on a table How to do it… How it works… There's more… Changing the data type of a column Getting ready How to do it… How it works… There's more… Changing the definition of an enum data type Getting ready How to do it… How it works… There's more… Adding a constraint concurrently Getting ready How to do it… How it works… There's more… Adding/removing schemas How to do it… There's more… Moving objects between schemas How to do it… How it works… There's more… Adding/removing tablespaces Getting ready How to do it… How it works… There's more… Moving objects between tablespaces Getting ready How to do it… How it works… There's more… Accessing objects in other PostgreSQL databases Getting ready How to do it… How it works… There's more… Accessing objects in other foreign databases Getting ready How to do it… How it works… There's more… Making views updatable Getting ready How to do it… How it works… There's more… Using materialized views Getting ready How to do it… How it works… There's more… Using GENERATED data columns How to do it… How it works… There's more… Using data compression Getting ready How to do it… How it works… There's more… 8 Monitoring and Diagnosis Overview of PostgreSQL Monitoring Cloud-native monitoring Providing PostgreSQL information to monitoring tools Finding more information about generic monitoring tools Real-time viewing using pgAdmin Getting ready How to do it… Checking whether a user is connected Getting ready How to do it… How it works… There's more… Checking whether a computer is connected How to do it… There's more… Repeatedly executing a query in psql How to do it… There's more… Checking which queries are running Getting ready How to do it… How it works… There's more… See also Monitoring the progress of commands Getting ready How to do it… How it works… There's more… Checking which queries are active or blocked Getting ready How to do it… How it works… There's more… Knowing who is blocking a query Getting ready How to do it… How it works… Killing a specific session How to do it… How it works… There's more… Detecting an in-doubt prepared transaction How to do it… Knowing whether anybody is using a specific table Getting ready How to do it… How it works… There's more... Knowing when a table was last used Getting ready How to do it… How it works... There's more… Usage of disk space by temporary data Getting ready How to do it… How it works… There's more… Understanding why queries slow down Getting ready How to do it… How it works… There's more… See also Analyzing the real-time performance of your queries Getting ready How to do it… How it works… There's more… Investigating and reporting a bug Getting ready How to do it… How it works… 9 Regular Maintenance Controlling automatic database maintenance Getting ready How to do it… How it works… There's more… See also Avoiding auto-freezing and page corruptions How to do it… Removing issues that cause bloat Getting ready How to do it… How it works… There's more… Removing old prepared transactions Getting ready How to do it… How it works… There's more… Actions for heavy users of temporary tables How to do it… How it works… Identifying and fixing bloated tables and indexes Getting ready How to do it… How it works… There's more… Monitoring and tuning a vacuum Getting ready How to do it… How it works… There's more… Maintaining indexes Getting ready How to do it… How it works… There's more… Finding unused indexes How to do it… How it works… Carefully removing unwanted indexes Getting ready How to do it… How it works… Planning maintenance How to do it… How it works… There's more… 10 Performance and Concurrency Finding slow SQL statements Getting ready How to do it… How it works… There’s more… Finding out what makes SQL slow Getting ready How to do it… There’s more… See also Reducing the number of rows returned How to do it… There’s more… Simplifying complex SQL queries Getting ready How to do it… There’s more… Speeding up queries without rewriting them How to do it… There’s more… Discovering why a query is not using an index Getting ready How to do it… How it works… There’s more… Forcing a query to use an index Getting ready How to do it… There’s more… Using parallel query How to do it… How it works… Creating time-series tables using partitioning How to do it… How it works… There’s more… Using optimistic locking to avoid long lock waits How to do it… How it works… There’s more… Reporting performance problems How to do it… There’s more…
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