mySQL: repair and optimize all tables in all databases


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/3/d98111892/htdocs/insanelabs/htdocs/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

mysqlcheck -u root -p --auto-repair --optimize --all-databases

You will be asked for root password and command will run. If you want to do it through cron, put your password immediately after -p… like -ppassword.