Optimizing a database in phpMyAdmin tidies its tables and reclaims unused space.
1. Sign in to your cPanel account.
2. Find the Databases section and open phpMyAdmin.
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3. In the navigation tree on the left, press the Expand icon next to your database.

4. Scroll to the bottom, tick Check All, then open the drop-down list beside it and pick Optimize tables.

phpMyAdmin then confirms that the tables were optimized.
