Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Mastering PostgreSQL 10

You're reading from   Mastering PostgreSQL 10 Expert techniques on PostgreSQL 10 development and administration

Arrow left icon
Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788472296
Length 428 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Hans-Jürgen Schönig Hans-Jürgen Schönig
Author Profile Icon Hans-Jürgen Schönig
Hans-Jürgen Schönig
Arrow right icon
View More author details
Toc

Table of Contents (15) 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 14. Other Books You May Enjoy

Replaying backups

Having a backup is pointless unless you have tried to actually replay it. Fortunately, it is easy to do. If you have created a plain text backup, you can simply take the SQL file and execute it:

psql your_db < your_file.sql
A plain text backup is simply a text file containing everything. You can always simply replay a text file. 

If you have decided on a custom format or directory format, you can use pg_restore to replay the backup. pg_restore allows you to do all kinds of fancy things such as replaying just part of a database and so on. In most cases, however, you will simply replay the entire database. In my example, I will create an empty database and just replay a custom format dump:

[hs@linuxpc backup]$ createdb new_db
[hs@linuxpc backup]$ pg_restore -d new_db -j 4 /tmp/dump.fc  

Note that pg_restore will add data to an existing database. If your database...

lock icon The rest of the chapter is locked
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
Renews at $19.99/month. Cancel anytime
Banner background image