Hey Pop Anda,
Tableau doesn't include features for real-time operational monitoring.
You could have the dashboard refresh automatically every "x TIME": Parameters for Embed Code
Also, make sure to use a Live Connection.
To refresh the data in the Viz statement in your MySQL table, you need to use the refresh data via this icon:
Lénaïc RIÉDINGER, Global Community Engineer Tableau
If you see a Helpful or Correct response, please mark it thanks to the buttons below the targeted post!