//Update operation
//use a different ResultSet variable so that the
//other tests can go on unimpacted
ResultSet rs1 = fetchUpd("dLongVarchar", key);
rs1.next();
rs1.updateCharacterStream(1,r_for_update,str_for_update.length());
rs1.updateRow();
rs1.close();
//Query to see whether the data that has been updated
//using the updateAsciiStream method is the same