protected Connection getPlainConnection(String aDbUrl, String aUsername, String aPassword) throws SQLException {
        return DriverManager.getConnection(aDbUrl, aUsername, aPassword);
    }
protected Connection getPlainConnection ( String aDbUrl , String aUsername , String aPassword ) throws SQLException { return DriverManager . getConnection ( aDbUrl , aUsername , aPassword ) ; }
@param aDbUrl    connection url
@param aUsername username to connect to db
@param aPassword password to connect to db
@return a db Connection implementation from whatever the driver manager
supplies
@throws SQLException