This method is called with parameters such as an accountholder name and the current stock price of the single stock that this accountholder owns.
调用这个方法时使用的参数是帐户持有人姓名，以及这个帐户持有人拥有的单只股票的当前价格。
2
An ODBC connection is made to the MySQL database and the currentaccount data for the given account holder is fetched from the database and stored in an associative array.