HowTo: Check how long a MySQL server has been running
How long has the MySQL instance been running?
SHOW GLOBAL STATUS LIKE 'Uptime';
When was the MySQL last started?
SELECT FROM_UNIXTIME(UNIX_TIMESTAMP() - variable_value) AS last_started
FROM performance_schema.global_status
WHERE variable_name='Uptime';
Originally published at https://chrisshennan.com/blog/howto-check-how-long-a-mysql-server-has-been-running