The core database is essential for using built-in WordPress features. In some situations, you may experience issues with the core database, halting the main WordPress features. These issues might be generated due to reasons such as the server crashing, hacked databases, or modifications to the core database. WordPress provides built-in features to repair and optimize the database tables.

In this recipe, we are going to use a built-in database repair screen to fix the database and get it working again.