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Groups > comp.databases.ms-sqlserver > #1674

Re: A question about relationship

From Lennart Jonsson <erik.lennart.jonsson@gmail.com>
Newsgroups comp.databases.ms-sqlserver
Subject Re: A question about relationship
Date 2014-02-11 18:01 +0100
Organization A noiseless patient Spider
Message-ID <lddl18$8l7$1@dont-email.me> (permalink)
References <ldan3d$f0i$1@dont-email.me> <XnsA2D0F0AEE3E6Yazorman@127.0.0.1> <lddcn4$i2b$1@dont-email.me> <cc80175a-413c-46db-92af-2c236f9044d8@googlegroups.com>

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On 02/11/2014 04:11 PM, Ross Presser wrote:
[...]
> And it can be seen from the scripts that each Order must relate 
> to one Customer. See the section I have marked out with hyphens:
> 

CustomerId can be null, and therefore an order must not relate to one
Customer.


Cheers
/Lennart

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Thread

A question about relationship "Tony Johansson" <johansson.andersson@telia.com> - 2014-02-10 15:18 +0100
  Re: A question about relationship Erland Sommarskog <esquel@sommarskog.se> - 2014-02-10 23:39 +0100
    Re: A question about relationship "Tony Johansson" <johansson.andersson@telia.com> - 2014-02-11 15:39 +0100
      Re: A question about relationship Ross Presser <rpresser@gmail.com> - 2014-02-11 07:11 -0800
        Re: A question about relationship bradbury9 <ray.bradbury9@gmail.com> - 2014-02-11 08:43 -0800
          Re: A question about relationship Ross Presser <rpresser@gmail.com> - 2014-02-11 09:33 -0800
        Re: A question about relationship Lennart Jonsson <erik.lennart.jonsson@gmail.com> - 2014-02-11 18:01 +0100
      Re: A question about relationship Erland Sommarskog <esquel@sommarskog.se> - 2014-02-11 21:54 +0100
        Re: A question about relationship rja.carnegie@gmail.com - 2014-02-11 13:49 -0800
          Re: A question about relationship Erland Sommarskog <esquel@sommarskog.se> - 2014-02-11 23:23 +0100

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