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Mastering PostgreSQL 12

You're reading from   Mastering PostgreSQL 12 Advanced techniques to build and administer scalable and reliable PostgreSQL database applications

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838988821
Length 470 pages
Edition 3rd Edition
Languages
Concepts
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Author (1):
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Hans-Jürgen Schönig Hans-Jürgen Schönig
Author Profile Icon Hans-Jürgen Schönig
Hans-Jürgen Schönig
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Table of Contents (18) Chapters Close

Preface 1. Section 1: Basic Overview FREE CHAPTER
2. PostgreSQL 12 Overview 3. Understanding Transactions and Locking 4. Section 2: Advanced Concepts
5. Making Use of Indexes 6. Handling Advanced SQL 7. Log Files and System Statistics 8. Optimizing Queries for Good Performance 9. Writing Stored Procedures 10. Managing PostgreSQL Security 11. Handling Backup and Recovery 12. Making Sense of Backups and Replication 13. Deciding on Useful Extensions 14. Troubleshooting PostgreSQL 15. Migrating to PostgreSQL 16. Assessment 17. Other Books You May Enjoy

Achieving better answers with fuzzy searching

Performing precise searching is not the only thing expected by users these days. Modern websites have educated users in a way that they always expect a result, regardless of the user input. If you search on Google, there will always be an answer, even if the user input is wrong, full of typos, or simply pointless. People expect good results, regardless of the input data.

Taking advantage of pg_trgm

To do fuzzy searching with PostgreSQL, you can add the pg_trgm extension. To activate this extension, just run the following command:

test=# CREATE EXTENSION pg_trgm;  
CREATE EXTENSION 

The pg_trgm extension is pretty powerful, and to show you what it is capable...

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