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Index defaults 1


Index defaults 1

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Hugo Kornelis
Hugo Kornelis
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Comments posted to this topic are about the item Index defaults 1


Hugo Kornelis, SQL Server MVP
Visit my SQL Server blog: http://sqlblog.com/blogs/hugo_kornelis
Thomas Stringer
Thomas Stringer
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Fun question, definitely have to read ALL of the answers. Thanks! :-)



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Michael Riemer
Michael Riemer
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Great question - thanks.
Does make you think before answering, especially given the amount of information in the question.
Koen Verbeeck
Koen Verbeeck
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Great question Hugo.

This is a statement that supports the answer:


CREATE TABLE dbo.QotD2
(KeyColumn INT NOT NULL PRIMARY KEY
,Test INT NOT NULL
,CONSTRAINT [UX_Test] UNIQUE CLUSTERED
(
Test ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY];




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Carlo Romagnano
Carlo Romagnano
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Great question.
Hugo, you are the number ONE!
Thanks.
:-D
Stewart "Arturius" Campbell
Stewart "Arturius" Campbell
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Interesting question, Hugo, thanks.
Requires carefull reading and thinking before answering...

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amit_adarsh
amit_adarsh
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I don't think the answer is correct for the question (mentioed in screen shot).Because if you write like this , it will create
a key that is treated as Primary Key and index wise it is clustered index
Koen Verbeeck
Koen Verbeeck
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amit_adarsh (6/14/2012)
I don't think the answer is correct for the question (mentioed in screen shot).Because if you write like this , it will create
a key that is treated as Primary Key and index wise it is clustered index


Please read the question carefully:

Below you see a part of a CREATE TABLE statement.


-- More column and constraint definitions below



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heymiky
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Koen Verbeeck (6/14/2012)
amit_adarsh (6/14/2012)
I don't think the answer is correct for the question (mentioed in screen shot).Because if you write like this , it will create
a key that is treated as Primary Key and index wise it is clustered index


Please read the question carefully:

Below you see a part of a CREATE TABLE statement.


-- More column and constraint definitions below


I missed that, d'oh what a douchebag, good question Hugo i'll look out for yours in future and spend a bit more time reading them :-P
Tom Thomson
Tom Thomson
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Very good question.

The error rate so far (86% - 241 out of 280) is amazing. Most of those errors were the same wrong answer, there appears to a widely distributed myth that any primary index is clustered unless it is declared as unclustered. I knew that such a myth existed, but I thought it was so often debunked that only a small proportion of people still believed it. Well, that was clearly wrong - even though some of that 86% probably arises from carelessness in reading the question what is left after allowing for that carelessness is not a small proportion!

Tom

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