This is the core interface on the dataset object and is required. It has methods to perform the following actions:
Get axis information (GetAxisInfo).
Get axis rowsets (GetAxisRowset).
Get properties of a range of cells (GetCellData).
Get an interface on the command object that created this dataset (GetSpecification).
Free the array of MDAXISINFO structures returned by the GetAxisInfo method (FreeAxisInfo).
For more information about this interface, see IMDDataset in the OLE DB for OLAP Interfaces section under the OLE DB Reference topic.