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Mastering PostgreSQL 9.6

You're reading from   Mastering PostgreSQL 9.6 A comprehensive guide for PostgreSQL 9.6 developers and administrators

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781783555352
Length 416 pages
Edition 1st Edition
Languages
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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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Toc

Table of Contents (14) Chapters Close

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

Understanding Transactions and Locking

Locking is an important topic in any kind of database. It is not enough to understand just how it works to write proper or better applications; it is also essential from a performance point of view. Without properly handling locks, your applications might not only be slow, it might also be wrong and behave in an insane way. In my judgment, locking is key to performance and having a good overview will certainly help. Therefore, understanding locking and transaction is important for administrators and developers alike.

In this chapter, you will learn:

  • Basic locking
  • Transactions and transaction isolation
  • Deadlocks
  • Locking and foreign keys
  • Explicit and implicit locking
  • Advisory locks

At the end of the chapter, you will be able to understand and utilize PostgreSQL transactions in the most efficient way possible.

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