We applied #68 patches on two servers so far, one is on oracle 9.2.0.5
without any problem. The other is on oracle 9.2.0.4 we had problem to
drop the user. I did trace on drop user, it looks like looking
xdb.$schema table which we didn 't installed. This databases had
installed ctxsys, mdsys those components at 8i, after we upgraded to 9i,
I didn 't upgraded those components since we don 't use those features,
hence a lot of objects belongs to thoes users are invalid. But we don 't
have any problem before the patches installed. Problem comes after
patches installed. I opened a tar with oracle, so far no fixes.
