Normal Forms

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L' Eomot Inversé

Posted Sunday, May 01, 2011 7:40 AM

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Jeff Moden (4/30/2011)

Steve Jones - SSC Editor (4/30/2011)

HA, I like NULLs. I might ask for two articles, one pro and one con.

I like NULLs, as well. I was just thinking of the insanely long threads where people keep saying that NULLs aren't a part of a true relational database and Codd this and Date that and yada-yada-yada. I keep thinking "who gives a rat's patooti?" and that I hope I never run into a true relational database because it will even make Oracle look good. BigGrin

I like NULLs too. Of course I believe that a true relational system has to support them (after all, it has to support outer union and outer join, and they will certainly produce nulls). So I don't think a true relational system has to do badly.

But I do love reminding the anti-null fundamentalists that Ted Codd, the inventor of their holy relational model, stated clearly and plainly and very publicly that a system without decent NULL support could not be a relational system.

Tom
Que conclure à la fin de tous mes longs propos? C'est que les préjugés sont la raison des sots. (Voltaire, 1756)

Post #1101293

Jeff Moden

Posted Sunday, May 01, 2011 9:13 AM

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That's why I'm glad you decided to take this on, Tom. No BS and personal opinions would be identified as such instead of being identified as gospel. I think you'd bring the practical side to the article that Steve is looking for someone to write and that I'd like to read. I almost can't wait.

--Jeff Moden

"RBAR is pronounced "ree-bar" and is a "Modenism" for "Row-By-Agonizing-Row".

First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column."

For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/

For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/

Post #1101324

Steve Jones - SSC Editor

Posted Sunday, May 01, 2011 1:48 PM

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I don't care who does it, but if Tom gets one in while anyone else's is in the Q, I'll go with Tom.

Tom, no great hurry and I'll let you know if I get something else. Doesn't have to be long. I'd figure 1-1.5 page of text with a few examples that show tables being moved from non-1NF->1NF would be fine.

Follow me on Twitter: @way0utwest

Forum Etiquette: How to post data/code on a forum to get the best help

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