David Fetter wrote:
> On Wed, Apr 04, 2007 at 10:07:39AM -0400, Andrew Dunstan wrote:
>
>> Simon Riggs wrote:
>>
>>> My hope is to have a mechanism to partition indexes or recognise
>>> that they are partitioned, so that a set of provably-distinct
>>> unique indexes can provide the exact same functionlity as a single
>>> large unique index, just without the management nightmare.
>>>
>> Will this address the fairly common data design problem where we
>> need to ensure that a given value is unique across several tables
>> (possibly siblings, possibly not)?
>>
>
> That would be where the provably-distinct part comes in, so yes.
>
>
That assumes you can provide some provably distinct test. In the general
case I have in mind that isn't so.
cheers
andrew