Restore MySQL Database Without SQL Dump

Today in this article “Restore MySQL Database Without SQL Dump” we will discuss how you can restore your database when you don’t have SQL dump file.

This happens when your MYSQL gets corrupted. In that case, if you want to make a back up of your database you can simply copy following files and then restore them after a fresh installation

Let’s Start

Generally MySQL gets installed on following location
/var/lib/mysql

On this location it create folders of your databases. For instance, if you have databases like test, test1, test2

Then on this location /var/lib/mysql – You will have three folders test, test1, test2.

And each of these folders will contain database files for the MyISAM database.

It will have three main files with the following extensions

• frm
• myi
• myd

And another three files which will be inside in /var/lib/mysql. These files are for INNO DB database.

• ibdata1
• ib_logfile0
• ib_logfile1

Steps:

• Stop Mysql Service using – sudo service mysqld stop
• Copy folder to /var/lib/mysql using – sudo cp -R test /var/lib/mysql
• Copy inno db files using – sudo cp ibdata1 ib_logfile0 ib_logfile1 /var/lib/mysql
  
• Make sure ownership is set to mysql. Check ownership using.
  sudo ls -al
• Set Ownership using following syntax
  For Files – sudo chown user:group files
  Ex: sudo chown mysql:mysql ibdata1 ib_logfile0 ib_logfile1
  
  For Folders – sudo chown -R user:group folder name
  Ex: sudo chown -R mysql:mysql test
• Start Mysql Service – sudo service mysqld start
• Now you will able to see your databases. 🙂

Note:

For Centos and Fedora Based OS
sudo service mysqld stop
sudo service mysqld start

For Debian and Ubuntu OS
sudo service mysql stop
sudo service mysql start

Also check Reset MySQL Root Password

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Thanks for reading 🙂 🙂