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CASCADE - 2


CASCADE - 2

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SQLRNNR
SQLRNNR
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EZ PZ today.

Jason...AKA CirqueDeSQLeil
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Danny Ocean
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Good one Ron :-)

I think you have posted two questions on this topic earlier. If it is possible, then please post more questions on this topics with different kind of scenario. This will give us very good information. It will help us to get some more interesting scenario.

:-)

Thanks
Vinay Kumar
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David Conn
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Thanks for the Easy Points
marlon.seton
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L' Eomot Inversé (3/26/2013)
Hugo Kornelis (3/26/2013)
I think you're reading a bit too much into the code used to create some sample data, Tom. I suspect ROn used this method to eaily visualize which rows belong together, but not with any other intention.

Oh, I don't for a moment imagine that Ron was intentionally breaking 1NF, or that he even noticed he was doing. And of course it's completely irrelevant to the question - any old table will do as long as it has a foreign key. That's why I said it was a good question apart from the strange wording of the answer options.

But I've often been hit by junionr developers seeing something and thinking "Oh, that's neat, perhaps I can use that" when the something they saw was absolutely terrible practice but acceptable in a particular context because it wasn't relevant there. So I try to avoid doing such things even when they are not relevant to thetask at hand, and believe that everyone should do so. Especially in contexts where they are likely to be seen by a lot of not particularly experienced people.


I agree in principle but can we expect everyone who writes a QotD to check their question for best practice in the coding? Might people be deterred from posing a QotD if they're worried about getting the coding practice picked to pieces? Having said that, was there any need for a mixture of @val1 and @val2 to be used in the setting of the first column. Would the question have achieved the same result if some arithmetic on just @val2 was used?
Dineshbabu
Dineshbabu
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paul.knibbs (3/26/2013)
This seemed so simple I went and ran the code, sure there must be a catch of some kind--turns out there wasn't, it was as simple as is seemed at first viewing. :-)


+1

--
Dineshbabu
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Miles Neale
Miles Neale
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Nice question. I do not care about the wording, it worked for me.

M.

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sqlnaive
sqlnaive
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Another good question on cascade after the one on delete. :-)
Arno Kwetters
Arno Kwetters
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Great ! That cascading
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