0

Explore Products

Best Sellers

New Releases

Books

Videos

Audiobooks

Free Learning

PostgreSQL 16 Administration Cookbook

You're reading from PostgreSQL 16 Administration Cookbook Solve real-world Database Administration challenges with 180+ practical recipes and best practices

Product type Paperback

Published in Dec 2023

Publisher Packt

ISBN-13 9781835460580

Length 636 pages

Edition 1st Edition

Languages

SQL

Tools

PostgreSQL

Concepts

Database Administration

Authors (5):

Boriss Mejías

Jimmy Angelakos

Simon Riggs

Gianni Ciolli

Vibhor Kumar

+1 more

View More author details

Table of Contents (15) Chapters

Preface

1. First Steps

2. Exploring the Database FREE CHAPTER

3. Server Configuration

4. Server Control

5. Tables and Data

6. Security

7. Database Administration

8. Monitoring and Diagnosis

9. Regular Maintenance

10. Performance and Concurrency

11. Backup and Recovery

12. Replication and Upgrades

13. Other Books You May Enjoy

14. Index

Locating the database’s system identifier

Each database server has a system identifier assigned when the database is initialized (created). The server identifier remains the same if the server is backed up, cloned, and so on.

Many actions on the server are keyed to the system identifier, and you may be asked to provide this information when you report a fault.

In this recipe, you will learn how to display the system identifier.

Getting ready

You need to connect as the Postgres OS user, or another user with execute privileges on the server software.

How to do it…

In order to display the system identifier, we just need to launch the following command:

pg_controldata <data-directory> | grep "system identifier"
Database system identifier:            7015545877453537036

Note that the preceding syntax will not work on Debian or Ubuntu systems, because of the choice of offering a multi-version directory structure. That choice...

You have been reading a chapter from

PostgreSQL 16 Administration Cookbook

Published in: Dec 2023

Publisher: Packt

ISBN-13: 9781835460580

© 2023 Packt Publishing Limited All Rights Reserved

Register for a free Packt account to unlock a world of extra content!

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at €18.99/month. Cancel anytime

Authors (5)

GIANNI CIOLLI

GIANNI CIOLLI

Gianni Ciolli is the head of professional services at 2ndQuadrant and has been a PostgreSQL consultant, trainer, and speaker at many PostgreSQL conferences in Europe and abroad over the last 10 years. He has a PhD in Mathematics from the University of Florence. He has worked with free and open source software since the 1990s and is active in the community (the Prato Linux User Group and the Italian PostgreSQL Users Group). He lives in London with his son. His other interests include music, drama, poetry, and athletics.

See other products by GIANNI CIOLLI

Simon Riggs

Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.

See other products by Simon Riggs

Vibhor Kumar

Vibhor Kumar

Vibhor Kumar, Global VP at EDB, is a pioneering data tech leader. He manages a global team of engineers, optimizing clients' Postgres databases for peak performance and scalability. He advises Fortune 500 clients, including many Financial Institutes, in innovating and transforming their data platforms. His past experience spans IBM, BMC Software, and CMC Ltd. He holds a BSc in Computer Science from the University of Lucknow and a Master's from the Army Institute of Management. As a certified expert in numerous technologies, he often shares his insights on DevOps, cloud, and database optimization through blogging and speaking at events.

See other products by Vibhor Kumar

Jimmy Angelakos

Jimmy Angelakos

Jimmy Angelakos is a Systems and Database Architect and recognized PostgreSQL expert. He studied Computer Science at the University of Aberdeen, has worked with Open-Source tools for 25+ years, is an active member of PostgreSQL Europe and occasional contributor to the PostgreSQL project. He also speaks frequently at database and Free & Open-Source Software conferences

See other products by Jimmy Angelakos

Boriss Mejías

Boriss Mejías

Boriss Mejias is a Senior Solutions Architect at EDB, building on his experience as PostgreSQL consultant and trainer at 2ndQuadrant. He has been working with open source software since the beginning of the century contributing to several projects both with code and community work. He has a PhD in Computer Science from the Université catholique de Louvain, and an Engineering degree from Universidad de Chile.Complementary to his role as Solutions Architect, he gives PostgreSQL training and is a regular speaker at PostgreSQL conferences. He loves spending time with his family and playing air guitar

See other products by Boriss Mejías

Personalised recommendations for you

Based on your interests and search pattern

Modern Computer Vision with PyTorch

Modern Computer Vision with PyTorch

This book provides a hands-on approach to solving over 30 prominent real-world computer vision problems using PyTorch 2.x on actual datasets. Here you'll learn to build a neural network from scratch and optimize hyperparameters, perform image classification, multi-object detection, segmentation, and more. You'll also explore facial expression manipulation and combining CV with NLP and RL techniques, build generative AI applications, and take your model to production on AWS. By the end of this book, you'll master modern NN architectures and confidently solve real-world CV problems.

Jun 2024 24h 52m

Modern Computer Vision with PyTorch

Modern Computer Vision with PyTorch

This book provides a hands-on approach to solving over 30 prominent real-world computer vision problems using PyTorch 2.x on actual datasets. Here you'll learn to build a neural network from scratch and optimize hyperparameters, perform image classification, multi-object detection, segmentation, and more. You'll also explore facial expression manipulation and combining CV with NLP and RL techniques, build generative AI applications, and take your model to production on AWS. By the end of this book, you'll master modern NN architectures and confidently solve real-world CV problems.

Jun 2024 24h 52m

Data Governance Handbook

Data Governance Handbook

This book provides a highly focused view of real business outcomes powered by data governance, that resonate with non-data executives such as CFOs and CEOs. You'll also find useful insights into how to implement data governance initiatives.

May 2024 13h 8m

Data Engineering with Databricks Cookbook

Data Engineering with Databricks Cookbook

This book shows you how to use Apache Spark, Delta Lake, and Databricks to build data pipelines, manage and transform data, optimize performance, and more. Additionally, you'll implement DataOps and DevOps practices, and orchestrate data workflows.

May 2024 14h 36m

Azure Data Engineer Associate Certification Guide

Azure Data Engineer Associate Certification Guide

Unlock the power of Azure data engineering with this certification guide, elevating your skills in data processing, storage, and security with the help of practical insights, hands-on exercises, and the latest advancements.

May 2024 18h 16m

Microsoft Power BI Cookbook

Microsoft Power BI Cookbook

Microsoft Power BI is the most sought-after platform for BI professionals' visualization needs. Explore the latest Power BI features, future AI enhancements, and integration with other Power Platform tools via new recipes in this updated edition.

Jul 2024 19h 56m

Python Data Cleaning Cookbook

Python Data Cleaning Cookbook

The book shows you how to clean, wrangle, and view data from multiple perspectives, including dataset and column attributes. You will cover common and not-so-common challenges that are faced while cleaning messy data for complex situations and learn to manipulate data to get it down to a form that can be useful for making the right decisions.

May 2024 16h 12m

Microsoft Azure AI Fundamentals AI-900 Exam Guide

Microsoft Azure AI Fundamentals AI-900 Exam Guide

This AI-900 study guide will help you prepare and practice for the certification exam. You'll delve into AI workloads, ML principles, computer vision, NLP, knowledge mining, and generative AI using Azure cloud services.

May 2024 9h 36m

Using Stable Diffusion with Python

Using Stable Diffusion with Python

This book shows you how to use Python to control Stable Diffusion and generate high-quality images. In addition to covering the basic usage of the diffusers package, the book provides solutions for extending the package for more advanced purposes.

Jun 2024 11h 44m

Getting Started with DuckDB

Getting Started with DuckDB

This hands-on book teaches you to analyze large datasets with blazing speed and ease. You will learn how to use DuckDB to quickly load, query, transform, analyze, and visualize data effectively through a series of practical examples.

Jun 2024 12h 44m

Databricks Certified Associate Developer for Apache Spark Using Python

Databricks Certified Associate Developer for Apache Spark Using Python

This guide gets you ready for certification with expert-backed content, key exam concepts, and topic reviews. Additionally, you'll be able to make the most of Apache Spark 3.0 to modernize workloads and more using specific tools and techniques.