character_set_resultsvariable. When a client connects to a MySql server, this variable is set to the character set of the environment of the client. So, if you connect from a ISO-8859-1 (latin 1) console, the variable is set to latin 1 encoding. The current value can be checked by the following query.
To set the variable, the client can be initialized from a console which has its encoding set appropriately or one can run the following query.
set character_set_results = <character_set>;