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Extracting Data from single table


Extracting Data from single table

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dthmtlgod
dthmtlgod
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I am attempting to pull only open tickets from my table. Thing is we have duplicate records with different status code in our data

TICKET STATUS
9543 1
9543 5
9543 5
9544 1
9546 1
9547 1
9547 5

I only want the records with a 1 and not a 5 status, so in the above sample, I should only return 9544 and 9546.

Any suggestions are much appreciated.
Ray M
Ray M
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What exactly are you trying to do here?

Can you please post better data, DDL and DML statements. You'll get more help if you follow the suggestions in this Post www.sqlservercentral.com/articles/Best+Practices.
Also Post what you have tried, and we can go from there
Lowell
Lowell
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i think a simple test with an EXISTS and correlated subquery will get you want you want:

With YOURTABLE (TICKET,STATUS)
AS
(
SELECT 9543,1 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9544,1 UNION ALL
SELECT 9546,1 UNION ALL
SELECT 9547,1 UNION ALL
SELECT 9547,5
)
--the above is just setup data to represent your data , wherever it is.
--data like that makes it easy for anyone to offer helpful posts.
--proposed example is just what is below.
SELECT
*
FROM YOURTABLE OPENTIX
WHERE NOT EXISTS(SELECT
1
FROM YOURTABLE CLOSEDTIX
WHERE CLOSEDTIX.TICKET = OPENTIX.TICKET
AND CLOSEDTIX.STATUS = 5)
AND OPENTIX.STATUS = 1



Lowell

--
help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!

dthmtlgod
dthmtlgod
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Lowell, that was exactly what I was looking for. Thank you so much for the assistance.:-)
drew.allen
drew.allen
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I think that a GROUP BY is much simpler and probably faster, too.


With YOURTABLE (TICKET,STATUS)
AS
(
SELECT 9543,1 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9544,1 UNION ALL
SELECT 9546,1 UNION ALL
SELECT 9547,1 UNION ALL
SELECT 9547,5
)

SELECT TICKET, MAX(STATUS) AS STATUS
FROM YOURTABLE
GROUP BY TICKET
HAVING MAX(STATUS) = 1
GO



Drew

J. Drew Allen
Business Intelligence Analyst
Philadelphia, PA
How to post data/code on a forum to get the best help.
How to Post Performance Problems
Make sure that you include code in the appropriate IFCode tags, e.g. [code=sql]<your code here>[/code]. You can find the IFCode tags under the INSERT options when you are writing a post.
dthmtlgod
dthmtlgod
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Thank you for the reply. I will keep this handy.
vinu512
vinu512
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This is another way of doing it...and I guess the simplest way....:-)


With YOURTABLE (TICKET,STATUS)
AS
(
SELECT 9543,1 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9544,1 UNION ALL
SELECT 9546,1 UNION ALL
SELECT 9547,1 UNION ALL
SELECT 9547,5
)
Select * From YOURTABLE
Where TICKET NOT IN (Select TICKET From YOURTABLE Where STATUS = 5)
GO



Vinu Vijayan

For better and faster solutions please check..."How to post data/code on a forum to get the best help" - Jeff Moden ;-)
Jeff Moden
Jeff Moden
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drew.allen (10/15/2012)
I think that a GROUP BY is much simpler and probably faster, too.


With YOURTABLE (TICKET,STATUS)
AS
(
SELECT 9543,1 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9544,1 UNION ALL
SELECT 9546,1 UNION ALL
SELECT 9547,1 UNION ALL
SELECT 9547,5
)

SELECT TICKET, MAX(STATUS) AS STATUS
FROM YOURTABLE
GROUP BY TICKET
HAVING MAX(STATUS) = 1
GO



Drew


Oh, be careful. For this particular data, that will absolutely work. If they introduce status less than 5 that aren't cause for rejection, it won't.

--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.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
Jeff Moden
Jeff Moden
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vinu512 (10/18/2012)
This is another way of doing it...and I guess the simplest way....:-)


With YOURTABLE (TICKET,STATUS)
AS
(
SELECT 9543,1 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9543,5 UNION ALL
SELECT 9544,1 UNION ALL
SELECT 9546,1 UNION ALL
SELECT 9547,1 UNION ALL
SELECT 9547,5
)
Select * From YOURTABLE
Where TICKET NOT IN (Select TICKET From YOURTABLE Where STATUS = 5)
GO



It's a good idea for the data given. I have a hard time believing that they have no statuses between 1 and 5, though. If they do, the code you posted would produce duplicate ticket numbers. Of course, that may be just what the doctor ordered if there are status other than 1 and 5.

--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.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
Jeff Moden
Jeff Moden
SSC-Forever
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Group: General Forum Members
Points: 45313 Visits: 39936
dthmtlgod (10/15/2012)
I am attempting to pull only open tickets from my table. Thing is we have duplicate records with different status code in our data

TICKET STATUS
9543 1
9543 5
9543 5
9544 1
9546 1
9547 1
9547 5

I only want the records with a 1 and not a 5 status, so in the above sample, I should only return 9544 and 9546.

Any suggestions are much appreciated.


The question that begs to be answered here is.... in real life, will there be any tickets with a status other than 1 and 5 and what do you want to do if that's true?

--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.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

Helpful Links:
How to post code problems
How to post performance problems
Forum FAQs
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