> No, it is not the same thing. Updating index snapshots requires being > able to *re-find* a previously made index entry for the current row. > And it has to be done 100% reliably. The worst that happens if an index > entry is not found when it should be during a uniqueness check is that > the uniqueness constraint is not enforced properly; which is bad but it > doesn't lead to internally-inconsistent data structures. >
Hmmm... OK Fine... I am leaving this proposal once and for all. > > Pretending the problem doesn't exist doesn't make it go away ... > > Because this is how it is done in other databases Ref: .http://www.akadia.com/services/ora_function_based_index_2.html Thanks, Gokul.
