SQL Server 2000 only works on Windows-based platforms, including Windows 9x, Windows NT, Windows 2000 and Windows CE.
In comparison with SQL Server 2000, Oracle 9i Database supports all known platforms, including Windows-based platforms, AIX-Based Systems, Compaq Tru64 UNIX, HP 9000 Series HP-UX, Linux Intel, Sun Solaris and so on.
Sometimes there is the migration issue, so here goes…
There are some nice articles on Oracle to SQL Server migration at
SQL Server vs Oracle Feature differences
There is a nice tool for the Migration of stored procs/SQL at
Latest Top Ten TPC-C by PerformanceVersion 5 Results
Top Ten TPC-C by Price/PerformanceVersion 5 Results
Oracle vs SQL Server
Thanks to the authors of these public sites for the relevant information.