IMDDataset is a mandatory interface on the Dataset object. This interface provides methods for finding information about axes, axis rowsets, cell data, and the Command object that created the dataset.
| Method | Description |
| FreeAxisInfo | Frees the array of MDAXISINFO structures returned by IMDDataset::GetAxisInfo method. |
| GetAxisInfo | Returns the number of axes in the dataset and detailed information about each axis. |
| GetAxisRowset | Returns the specified axis rowset. |
| GetCellData | Returns the cell value and formatted value of a range of cells. |
| GetSpecification | Returns an interface on the Command object that created the dataset. |