How do you get the last access (and/or write) time of a MySQL database?

Question

How do you find out the last time a MySQL database was read or written to?

Can you even do that check per table?

Answer 1

SELECT UPDATE_TIME
FROM   INFORMATION_SCHEMA.TABLES
WHERE  TABLE_SCHEMA = 'dbname'
AND    TABLE_NAME = 'tabname'

Source: How can I tell when a MySQL table was last updated?