ADO Data Types

From http://www.w3schools.com (Copyright Refsnes Data)

# ADO Data Types

The table below shows the ADO Data Type mapping between Access, SQL Server, and Oracle:

DataType Enum | Value | Access | SQLServer | Oracle
--- | --- | --- | --- | ---
adBigInt | 20 |  | BigInt (SQL Server 2000 +) |
adBinary | 128 |  | Binary TimeStamp | Raw *
adBoolean | 11 | YesNo | Bit |
adChar | 129 |  | Char | Char
adCurrency | 6 | Currency | Money SmallMoney |
adDate | 7 | Date | DateTime |
adDBTimeStamp | 135 | DateTime (Access 97 (ODBC)) | DateTime SmallDateTime | Date
adDecimal | 14 |  |  | Decimal *
adDouble | 5 | Double | Float | Float
adGUID | 72 | ReplicationID (Access 97 (OLEDB)), (Access 2000 (OLEDB)) | UniqueIdentifier (SQL Server 7.0 +) |
adIDispatch | 9 |  |  |
adInteger | 3 | AutoNumber Integer Long | Identity (SQL Server 6.5) Int | Int *
adLongVarBinary | 205 | OLEObject | Image | Long Raw * Blob (Oracle 8.1.x)
adLongVarChar | 201 | Memo (Access 97) Hyperlink (Access 97) | Text | Long * Clob (Oracle 8.1.x)
adLongVarWChar | 203 | Memo (Access 2000 (OLEDB)) Hyperlink (Access 2000 (OLEDB)) | NText (SQL Server 7.0 +) | NClob (Oracle 8.1.x)
adNumeric | 131 | Decimal (Access 2000 (OLEDB)) | Decimal Numeric | Decimal Integer Number SmallInt
adSingle | 4 | Single | Real |
adSmallInt | 2 | Integer | SmallInt |
adUnsignedTinyInt | 17 | Byte | TinyInt |
adVarBinary | 204 | ReplicationID (Access 97) | VarBinary |
adVarChar | 200 | Text (Access 97) | VarChar | VarChar
adVariant | 12 |  | Sql_Variant (SQL Server 2000 +) | VarChar2
adVarWChar | 202 | Text (Access 2000 (OLEDB)) | NVarChar (SQL Server 7.0 +) | NVarChar2
adWChar | 130 |  | NChar (SQL Server 7.0 +) |

* In Oracle 8.0.x - decimal and int are equal to number and number(10).

From http://www.w3schools.com (Copyright Refsnes Data)