On 9/14/2017 12:45 AM, Rafal Pietrak wrote:
> Can anybody help me find a way to implement an ID which:
>
> 1. guarantees being unique across multiple tables.
>
> 2. guarantees its uniqueness not only during INSERT, but also during the
> lifetime of the database/application (e.i. during future UPDATES).
>
> 3. guarantees persistence of value across database backup/restore/upgrade.
isn't that the problem that GUID are supposed to answer ?
--
john r pierce, recycling bits in santa cruz