Sorry for the late reply, but the "major" differences are:
0) Cache fusion extended to write-write (8i OPS had read-write)
1) Locking mechanisms are "self-tuning" ("Dynamic resource mastering" - Use
the defaults!)
2) Major re-write of a *lot* of the internals
3) No more "DLM" - its now "GCS" & "G
It is not completely true what others have said, that RAC is the same as
OPS. RAC obviously builds on OPS, but there are quite a lot of
enhancements to improve the cache coherency issues, and it is also
expected that 9iR2 brings even more.
Thanks, Bjørn.
dist cash wrote:
> ORACLE 9i claim it
Think of RAC as "OPS v2", or probably more precisely,
"Cache Fusion v2". Older versions of OPS used to
require carefully partitioning of a anticipated
application across the nodes. In 8.1, this was
lessened to some extent and even more so in 9. Thus
in 9i, the claim is that you can run a standar
