| From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
|---|---|
| To: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
| Cc: | Thomas LeBlanc <thomasatiem(at)hotmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Unique Index vs. Unique Constraint |
| Date: | 2003-10-13 14:11:15 |
| Message-ID: | 3F8AB283.8000308@Yahoo.com |
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| Lists: | pgsql-general |
scott.marlowe wrote:
> On Fri, 10 Oct 2003, Thomas LeBlanc wrote:
>
>> Does a Unique Constraint build a unique index?
>>
>> What is the difference?
>
> None that I know of.
A different implementation of UNIQUE constraint might allow
deferrability, what our index solution does not ... yet.
Jan
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