Usage: use [schandlerid={scHandlerID}] [{scHandlerID}]

Selects the server connection handler scHandlerID or, if no parameter is given,
the currently active server connection handler is selected.

Examples:
   use schandlerid=1
   selected schandlerid=1
   error id=0 msg=ok
   
   use 1
   selected schandlerid=1
   error id=0 msg=ok