CREATE TRIGGER FOR { STARTUP | SHUTDOWN }

Event Schduler Trigger when right after STARTUP / right before Shutdown.
not only time repeatation. but one time call for STARTUP and Shutdown

Should prepared alternative method to turn of/off switch by configuration for emergency.

To know DB's startup and shutdown
prepare system batch data(like mart).

Questions:

• what schema are these triggers in? Any schema? mysql? something new?
• what privileges are needed to create/drop them?