Wine studies is related to bartenders who work in bars providing alcoholic and also at times non-alcoholic beverages to the people and also serving wine to various customers during the bar hours.
This profession also involves a very disciplined approach for the aspiring candidate as the profession gives one a lot of free-hand in handling alcohol and people, some of whom at times may even lose their senses being intoxicated.
For more Information On Wine Studies,
http://www.youtube.com/watch?v=ap5-b0GAsIM&feature=plcp
http://www.schoolanduniversity.com/study-programs/culinary-arts/wine-studies