Answer
The document "Direct Connect for ArcIMS 4", which is included with ArcIMS 4, mentions that it is supported with Oracle9i, SQL Server 7 and SQL Server 2000. It is also supported with Oracle8i. To connect to Oracle8i please follow the instructions included in "Direct Connect for ArcIMS 4" for Oracle9i.
Article ID:000005392
Software:
- Legacy Products
- ArcMap 9 x
- ArcMap 8 x