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When a database is ‘cluttered’ it can result in your website poor speed performance, resource overusage of your cPanel account – a number of MySQL requests to a ‘heavy’ database may stuck in a queue hitting Entry Processes and CPU limits. To resolve this a proper optimization is required to involve the efficiency with which data is retrieved from the database. To do that, please ofllow the steps below.
  1. To begin with you need to locate the database assigned to your website. If you do not know it’s name, feel free to check it your website’s configuration file.
  2. In this case we have a WordPress-based website, our database name is test\_wp255.
Before making any changes, we strongly advise that you download the backup of your database.
  1. To do so, move to Files section > Backups menu.
  1. Click on the database in question in Download a MySQL Database Backup menu to start the download.
  1. Now you can proceed with the optimization itself. Navigate to Databases section > phpMyAdmin menu.
  1. Click on the database in the left menu to expand the list of the tables.
  1. Check-mark the needed table and select Optimize table from the drop-down menu as shown below.
  1. In the same way you can optimize several tables at once, or all of them using Check All option. 
  1. As a result, you will get the following output and your database will be successfully optimized.