This table shows how a Microsoft Access provider might map its data types to OLE DB data types.
Microsoft Access data type | OLE DB type indicator |
BINARY (< 255 bytes) | DBTYPE_BYTES |
BIT | DBTYPE_BOOL |
BYTE | DBTYPE_UI1 |
COUNTER | DBTYPE_I4 |
CURRENCY | DBTYPE_CY |
DATETIME | DBTYPE_DATE |
DOUBLE | DBTYPE_R8 |
GUID | DBTYPE_GUID |
LONG | DBTYPE_I4 |
LONGBINARY | DBTYPE_BYTES |
LONGTEXT | DBTYPE_STR |
SHORT | DBTYPE_I2 |
SINGLE | DBTYPE_R4 |
TEXT (< 255 bytes) | DBTYPE_STR |