Need to fetch Metadata from sql query using java

I have a sql query fro which I need the column name and data type and it's table name and schema name:

Thsi is the method I am using for using and testing it for SQLSERVER:

public static void getMetadataForConn(Connection conn) throws SQLException
    {
        ResultSet rs = null;
         try
         {

             Statement stmt = conn.createStatement();
             rs = stmt.executeQuery("SELECT AB_DEMO_SRC.dbo.employee.dept_id dept_id, AB_DEMO_SRC.dbo.employee.email_add email_add, AB_DEMO_SRC.dbo.employee.emp_address emp_address, AB_DEMO_SRC.dbo.employee.emp_id emp_id, AB_DEMO_SRC.dbo.employee.emp_name emp_name FROM AB_DEMO_SRC.dbo.employee ");
             ResultSetMetaData md = rs.getMetaData();
             int columnCount = md.getColumnCount();
             for (int i = 1; i <= columnCount; i++)
                 System.out.print(md.getColumnName(i) + "(" + md.getColumnType(i) + ") "+md.getSchemaName(i)+"."+md.getTableName(i));
             System.out.println();
             while (rs.next())
             {
                 for (int i = 1; i <= columnCount; i++)
                 {
                     Object o = rs.getObject(i);
                     System.out.print(null == o ? "" : o.toString() + " ");
                 }
                 System.out.println();
             }
            }
            finally
            {
                if (null != rs)
                {
                    rs.close();
                }
            }
    }

I get all the other metadata details like data type, precision and scale..Strangely, I am getting tablename and schema name as "" that is blank..IS there any other way to fetch the metadata of the columns present in a Query?