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SubQuery


SubQuery

Author
Message
SQLRNNR
SQLRNNR
SSC Guru
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Group: General Forum Members
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palotaiarpad (9/19/2011)
Nice question! Thanks!


You're welcome

Jason...AKA CirqueDeSQLeil
_______________________________________________
I have given a name to my pain...MCM SQL Server, MVP
SQL RNNR
Posting Performance Based Questions - Gail Shaw
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Revenant
Revenant
SSC-Insane
SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)SSC-Insane (22K reputation)

Group: General Forum Members
Points: 22455 Visits: 5135
Got it right, but it took me twenty minutes of head scratching.

Thanks!
Trey Staker
Trey Staker
SSCrazy
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Thanks for the question. I got it right. I haven't used this functionality yet so I was guessing a little that this is how it works.

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Ken Wymore
Ken Wymore
SSCrazy Eights
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Group: General Forum Members
Points: 9612 Visits: 2470
I, like some others, got the question right for the wrong reason. I focused on the date declaration in the parameters and only caught the renaming of the sub-query columns after I had chosen the correct answer. Interesting behavior in regards to aliasing this way. Thanks for the question, I learned something new today!
SQLRNNR
SQLRNNR
SSC Guru
SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)

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Kenneth Wymore (9/19/2011)
I, like some others, got the question right for the wrong reason. I focused on the date declaration in the parameters and only caught the renaming of the sub-query columns after I had chosen the correct answer. Interesting behavior in regards to aliasing this way. Thanks for the question, I learned something new today!


Good to hear and glad you learned.

Jason...AKA CirqueDeSQLeil
_______________________________________________
I have given a name to my pain...MCM SQL Server, MVP
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Learn Extended Events

SQLRNNR
SQLRNNR
SSC Guru
SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)

Group: General Forum Members
Points: 144427 Visits: 18651
Trey Staker (9/19/2011)
Thanks for the question. I got it right. I haven't used this functionality yet so I was guessing a little that this is how it works.


Good guess;-)

Jason...AKA CirqueDeSQLeil
_______________________________________________
I have given a name to my pain...MCM SQL Server, MVP
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Learn Extended Events

Ken Wymore
Ken Wymore
SSCrazy Eights
SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)

Group: General Forum Members
Points: 9612 Visits: 2470
Any idea as to why they would allow this behavior in a join? Seems to me like it would actually introduce more confusion than convenience.
SQLRNNR
SQLRNNR
SSC Guru
SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)SSC Guru (144K reputation)

Group: General Forum Members
Points: 144427 Visits: 18651
Kenneth Wymore (9/19/2011)
Any idea as to why they would allow this behavior in a join? Seems to me like it would actually introduce more confusion than convenience.


I think they have to allow it due to the requirement that a subquery that is based on values instead of a query requires the same syntax.

Here's an article on that. http://jasonbrimhall.info/2011/08/31/bitwise-and-derived-table-revisited/

Jason...AKA CirqueDeSQLeil
_______________________________________________
I have given a name to my pain...MCM SQL Server, MVP
SQL RNNR
Posting Performance Based Questions - Gail Shaw
Learn Extended Events

Ken Wymore
Ken Wymore
SSCrazy Eights
SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)SSCrazy Eights (9.6K reputation)

Group: General Forum Members
Points: 9612 Visits: 2470
Ah, Thanks Jason. I'll check that out.
Koen Verbeeck
Koen Verbeeck
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Group: General Forum Members
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Nice question, thanks!


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