MDAC 2.5 SDK - ODBC Desktop Database Drivers
Application developers should look for driver-defined columns starting at the end of the result set and proceeding backward.
| Column | Comments |
| COLUMN_TYPE | SQL_PARAM_INPUT or SQL_RESULT_COL |
| ORDINAL | This is a driver-specific column that is returned at the end of the result set. The SQL type of the column is an integer. |