Re: pro- foreign key propaganda?
From: paul c <toledobysea_at_ac.ooyah>
Date: Sun, 25 May 2008 02:51:58 GMT
Message-ID: <iv4_j.162104$rd2.7529_at_pd7urf3no>
>
> Unless and until you agree that
>
> (1) a database value is a snapshot of the micro-world that the database is
> supposed to model,
...
Date: Sun, 25 May 2008 02:51:58 GMT
Message-ID: <iv4_j.162104$rd2.7529_at_pd7urf3no>
Brian Selzer wrote:
> "paul c" <toledobysea_at_ac.ooyah> wrote in message
> news:hS1_j.163913$Cj7.63718_at_pd7urf2no...
>> Brian Selzer wrote: >> ... And by the way, I suggest you read Codd's book. >>> Pages 89-90 describe the Update operator and the justification for it. >>> ... >>> >>> I could cite other instances, but I think these sufficiently show that >>> you're interpretation of Codd's use of the word 'update' is faulty. >>> ... >> >> That is a rather legalistic opinion of an informal, conversational >> sentence. Clearly, he is talking about an operator, not just a word. >> That aside, his intentions on this topic have often perplexed me. >>
>
> Unless and until you agree that
>
> (1) a database value is a snapshot of the micro-world that the database is
> supposed to model,
...
bs, so is the rest. a modern digital camera would do better than a digital computer ever could. Received on Sun May 25 2008 - 04:51:58 CEST