code for MySql / MariaDB to trigger / signal external script from database 4

code for MySql / MariaDB to trigger / signal external script from database
One feature I often wish MySQL / MariaDB (I’ll refer from now to just MariaDB referring to both) had was the ability to trigger or launch an  external script or open a socket connection to some external site; on a database event. Perhaps using a stored procedure in other words generate a signal /event to ...
Newark , US
9:20 pm
37°F
Light intensity drizzle
High: 39°F
Low: 34°F
Wind: 9 mph