Microsoft® SQL Server™ data type constants are returned by the ColumnType property of the QueryResults object. The constants report the SQL Server data type of the column data and direct data extraction from the result set.
| Constant | Value | Description |
|---|---|---|
| SQLDMO_DtypeBigint | -5 | bigint data type. |
| SQLDMO_DTypeBinary | -2 | Fixed length binary data. |
| SQLDMO_DTypeBit | -7 | Unsigned integer data. The width of the integer is one byte. |
| SQLDMO_DTypeChar | 1 | Fixed length character. |
| SQLDMO_DTypeDateTime | -2 | ODBC SQL_TIMESTAMP_STRUCT. |
| SQLDMO_DTypeDateTime4 | 93 | ODBC SQL_TIMESTAMP_STRUCT. |
| SQLDMO_DTypeFloat4 | 7 | Approximate numeric data. The width of the numeric value is four bytes. |
| SQLDMO_DTypeFloat8 | 8 | Approximate numeric data. The width of the numeric value is eight bytes. |
| SQLDMO_DTypeGUID | -11 | Globally unique identifier (GUID). The data is a data structure 16 bytes in length. |
| SQLDMO_DTypeImage | -4 | Long, variable length binary data. |
| SQLDMO_DTypeInt1 | -6 | Unsigned integer data. The width of the integer is one byte. |
| SQLDMO_DTypeInt2 | 5 | Signed integer data. The width of the integer is two bytes. |
| SQLDMO_DTypeInt4 | 4 | Signed integer data. The width of the integer is four bytes. |
| SQLDMO_DTypeMoney | 3 | Scaled integer data represented as a string value. |
| SQLDMO_DTypeMoney4 | 3 | Scaled integer data represented as a string value. |
| SQLDMO_DTypeNText | -10 | Long, variable length, Unicode character data. |
| SQLDMO_DtypeSQLVariant | -150 | sql_variant data type. |
| SQLDMO_DTypeText | -1 | Long, variable length character data. |
| SQLDMO_DTypeUChar | -8 | Fixed length, Unicode character data. |
| SQLDMO_DTypeUnknown | 0 | Bad or not supported data type value. |
| SQLDMO_DTypeUVarchar | -9 | Variable length, Unicode character data. |
| SQLDMO_DTypeVarBinary | -3 | Variable length binary data. |
| SQLDMO_DTypeVarchar | 12 | Variable length character data. |