Appendix A: Data Types for Oracle

The OLE DB Provider for Oracle supports all Oracle 7.3 data types; however, it does not support any of the new Oracle8 data types listed here or any of the Object extensions to Oracle8.

Data type

Oracle 7.3

Oracle8

BFILE

n/a

Not supported

BLOB

n/a

Not supported

CHAR

Supported

Supported

CLOB

n/a

Not supported

DATE

Supported

Supported

FLOAT

Supported

Supported

INTEGER

Supported

Supported

LONG

Supported

Supported

LONG RAW

Supported

Supported

NCHAR

n/a

Not supported

NCLOB

n/a

Not supported

NUMBER

Supported

Supported

NVARCHAR2

n/a

Not supported

RAW

Supported

Supported

VARCHAR2

Supported

Supported

MLSLABEL

Not supported

Not supported

Note

For more information about the allowable size of the VARCHAR column, see Limitations of the OLE DB Provider for Oracle in this guide.