Comments on: Unique constraint on MS SQL?!

By: naomae

naomae — Thu, 14 Apr 2011 02:56:56 +0000

MS SQL is good. but yeah, you’re right some error occured sometimes. however its better.

By: Adriel Karn

Adriel Karn — Tue, 05 Apr 2011 12:09:57 +0000

I am using MS SQL in my software development project and hey it’s really good and work better with me. But there some instances where it bugs something in your code.

@cincura, Evangeline, and Cherish: Try to visit to MS SQL Support or reply to my comment for I could give a fix of it. What exactly you’re doing in your codex?

By: Cherish Gaffigan

Cherish Gaffigan — Tue, 05 Apr 2011 08:24:49 +0000

@cincura.net Yeah I get the same error when I tried to set ansi_nulls on. I assume there must be something with oracle connection but I was wrong, it was all about MS SQL. Anyway, maybe we can try to update Microsoft office to its latest version for some other features not seen on 2008. I think 2011 is already out, not sure really but MS SQL 2010 is much better.

By: Azul O. Corlee

Azul O. Corlee — Tue, 05 Apr 2011 05:28:20 +0000

“Looks like I’m not alone; feeling better. ”

That’s right!, your not alone, many of us have a problem with this error.
Is there any way to solve this?

By: Evangeline S. Kirsch

Evangeline S. Kirsch — Tue, 05 Apr 2011 04:41:02 +0000

“Luckily I’m working on MS SQL 2008 and I can use filtered indices” – Indeed, it’s quite very useful in moments like these.

@cincura.net “Even with set ansi_nulls on; it doesn’t work for me. Same error.” – lol. i though i was the only one who thought about it. i also tried it and i get the same error..

What should i do?

By: cincura.net

cincura.net — Thu, 01 Oct 2009 19:08:52 +0000

Even with set ansi_nulls on; it doesn’t work for me. Same error.

Looking into BOL, it doesn’t say anything about the unique and nulls, only the nulls comparison in queries etc. (although it’s related).

By: pmezard

pmezard — Wed, 30 Sep 2009 11:18:16 +0000

Start with:

“”"
set ansi_nulls on
go
“”"

By: cincura.net

cincura.net — Sat, 26 Sep 2009 21:13:01 +0000

No nemam primo specifikaci pred sebou. Ale vzhledem k tomu, jak je definovana logika na NULL hodnotach a ze se tak chova Firebird, Oracle i jsem to tak nejak ocekaval a je to i reportovano, tak bych si porad dovolil tvrdit, ze unique constraint by mel povolovat vice NULL hodnot, ale pouze jednu not-NULL. Lec muzu se mylit.

By: Michal Neuwirth

Michal Neuwirth — Sat, 26 Sep 2009 20:37:07 +0000

Jestli se nepletu tak se takto SQL chova minimalne od verze 7. A myslim si, ze ANSI SQL to tak i definuje.

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