Tech

Backing Up PostgreSQL Database Using pg_dump

20 Mar , 2018  

Data – an essential aspect that keeps businesses running. As we are in the Internet of things era, almost every element of the business operations is already automated. That said, data is a crucial part so that a business can perform its usual task. Hence, it is important to keep that data protected all the time. Any moment that a business data is lost or compromised, it will potentially end up costing you a lot of money and resources.

For this reason, the importance of backing up your database could not be understated. Database backup helps to ensure that the quintessential business information is protected from damage, theft and other disasters including unpredictable natural disasters.

What is pg_dump Backup?

Using pg_dump backup is very useful for PostgreSQL database. Through it, backing up of a local database and restoring it to a database remotely at the same time is possible – using only a single command. In other words, you can have a highly customizable and convenient backup file that you can use to restore your database remotely from any host with access to the database.

How to Back up PostgreSQL Using pg_dump

There are two basic tools that PostgreSQL provide for the creation of logical backups namely pg_dump and pg_dumpall. pg_dumpall is the tool used when you want to backup all the data in an instance. On the other hand, pg_dump is used when you want to backup a single database.

pg_dump creates a .sql file using statements CREATE TABLE, ALTER TABLE, and finally COPY SQL of the source database.

Here is a quick excerpt showing a practical sample of how to use pg_dump:

Backup: $ pg_dump -U { user name } { source_db } -f { dumpfilename.sql }

Meanwhile, should you want to restore the dump files, you can do so using the psql command.

So, Why Do We Need to Backup Anyway?

Database backup is an important IT practice. Databases contain information that is critical for the daily transactions of an organization and most especially for the business continuity.

An organization must be prepared for any disasters by ensuring proper data backup is in place. This also helps make disaster recovery much easier and quicker. Investing in data backups is beneficial for any business organizations for the following main reasons:

  • To protect your business

    Database backups help to protect the business from data loss which can cause business interruptions.

  • To safeguard your customer’s valuable information

    Whether you like it or not, you are obliged to protect not just your business information but more importantly your customer’s data.

  • To ensure business growth and sustainability in an event of tragedy or disaster
  • For the business owners and management’s peace of mind

Choosing a suitable database backup system is crucial for an organization to thrive in this modern business environment. There are many reasons why data loss can happen such as cyberattacks, human error, and natural calamities. Your best defense? Setting up a secure backup system. You should opt for a robust and reliable Cloud backup system like the CPM or Cloud Protection Manager from N2WS.