Grasp advanced PostgreSQL 12 concepts with real-world examples and sample datasets
Explore query parallelism, data replication, database administration, and more
Extend PostgreSQL functionalities to suit your organization’s needs with minimal effort

Description

Thanks to its reliability, robustness, and high performance, PostgreSQL has become the most advanced open source database on the market. This third edition of Mastering PostgreSQL helps you build dynamic database solutions for enterprise applications using the latest release of PostgreSQL, which enables database analysts to design both physical and technical aspects of system architecture with ease. Starting with an introduction to the newly released features in PostgreSQL 12, this book will help you build efficient and fault-tolerant PostgreSQL applications. You’ll thoroughly examine the advanced features of PostgreSQL, including logical replication, database clusters, performance tuning, monitoring, and user management. You’ll also work with the PostgreSQL optimizer, configure PostgreSQL for high speed, and understand how to move from Oracle to PostgreSQL. As you progress through the chapters, you’ll cover transactions, locking, indexes, and how to optimize queries for improved performance. Additionally, you’ll learn how to manage network security and explore backups and replications while understanding useful PostgreSQL extensions to help you in optimizing the performance of large databases. By the end of this PostgreSQL book, you’ll be able to get the most out of your database by implementing advanced administrative tasks effortlessly.

What you will learn

Understand the advanced SQL functions in PostgreSQL 12
Use indexing features in PostgreSQL to fine-tune the performance of queries
Work with stored procedures and manage backup and recovery
Master replication and failover techniques to reduce data loss
Replicate PostgreSQL database systems to create backups and to scale your database
Manage and improve the security of your server to protect your data
Troubleshoot your PostgreSQL instance for solutions to common and not-so-common problems

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Product Details

Publication date : Nov 29, 2019

Length pages

Edition : 3rd Edition

Language : English

ISBN-13 : 9781838988821

Vendor :

PostgreSQL Global Development Group

Category :

Data

Languages :

SQL (Expert)

Concepts :

Databases

Tools :

PostgreSQL (Intermediate)

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18 Chapters

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

1. Section 1: Basic Overview

Section 1: Basic Overview

2. PostgreSQL 12 Overview

PostgreSQL 12 Overview

What's new in PostgreSQL 12?

Summary

3. Understanding Transactions and Locking

Understanding Transactions and Locking

Working with PostgreSQL transactions

Understanding basic locking

Making use of FOR SHARE and FOR UPDATE

Understanding transaction isolation levels

Observing deadlocks and similar issues

Utilizing advisory locks

Optimizing storage and managing cleanup

Summary

Questions

4. Section 2: Advanced Concepts

Section 2: Advanced Concepts

5. Making Use of Indexes

Making Use of Indexes

Understanding simple queries and the cost model

Improving speed using clustered tables

Understanding additional B-tree features

Introducing operator classes

Understanding PostgreSQL index types

Achieving better answers with fuzzy searching

Understanding full-text search

Summary

Questions

6. Handling Advanced SQL

Handling Advanced SQL

Introducing grouping sets

Making use of ordered sets

Understanding hypothetical aggregates

Utilizing windowing functions and analytics

Writing your own aggregates

Summary

7. Log Files and System Statistics

Log Files and System Statistics

Gathering runtime statistics

Creating log files

Summary

Questions

8. Optimizing Queries for Good Performance

Optimizing Queries for Good Performance

Learning what the optimizer does

Understanding execution plans

Understanding and fixing joins

Enabling and disabling optimizer settings

Partitioning data

Adjusting parameters for good query performance

Making use of parallel queries

Introducing JIT compilation

Summary

9. Writing Stored Procedures

Writing Stored Procedures

Understanding stored procedure languages

Understanding various stored procedure languages

Improving functions

Using functions for various purposes

Summary

Questions

10. Managing PostgreSQL Security

Managing PostgreSQL Security

Managing network security

Digging into RLS

Inspecting permissions

Reassigning objects and dropping users

Summary

Questions

11. Handling Backup and Recovery

Handling Backup and Recovery

Performing simple dumps

Handling various formats

12. Making Sense of Backups and Replication

Making Sense of Backups and Replication

Understanding the transaction log

Transaction log archiving and recovery

Setting up asynchronous replication

Upgrading to synchronous replication

Making use of replication slots

Making use of CREATE PUBLICATION and CREATE SUBSCRIPTION

Summary

Questions

13. Deciding on Useful Extensions

Deciding on Useful Extensions

Understanding how extensions work

Making use of contrib modules

Other useful extensions

Summary

14. Troubleshooting PostgreSQL

Troubleshooting PostgreSQL

Approaching an unknown database

Inspecting pg_stat_activity

Checking for slow queries

Inspecting the log

Checking for missing indexes

Checking for memory and I/O

Understanding noteworthy error scenarios

Summary

Questions

15. Migrating to PostgreSQL

Migrating to PostgreSQL

Migrating SQL statements to PostgreSQL

Moving from Oracle to PostgreSQL

16. Assessment

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About the author

Hans-Jürgen Schönig

Hans-Jürgen Schönig has 20 years' experience with PostgreSQL. He is the CEO of a PostgreSQL consulting and support company called CYBERTEC PostgreSQL International GmbH. It has successfully served countless customers around the globe. Before founding CYBERTEC PostgreSQL International GmbH in 2000, he worked as a database developer at a private research company that focused on the Austrian labor market, where he primarily worked on data mining and forecast models. He has also written several books about PostgreSQL.

See other products by Hans-Jürgen Schönig

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Mastering PostgreSQL 12: Advanced techniques to build and administer scalable and reliable PostgreSQL database applications, Third Edition

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Mastering PostgreSQL 12 - Third Edition

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