MDAC 2.5 SDK - OLE DB Providers
OLE DB Provider for ODBC
Convert to type
Empty
IDISPATCH
NULL
VARIANT
Unsupported data type conversions
I1, I2, I4, I8, UI1, UI2, UI4, UI8, R4, R8, CY, NUMERIC, DECIMAL, DBTIME, DATE, DBDATE, DBTIMESTAMP, BOOL, BSTR, BYTES, ERROR, GUID, STR, WSTR