DISTINCT SELECT Query With More Than One Field

Feb 6, 2008

Hello, I want to do a DISTINCT  SELECT query with more than one field, for example a ID field with a Type field, as if both fields make the primary key, like (ID 1 ,Type 1) ,( ID 1, Type 2) and (ID 2, Type 1) is ok but not (ID 1, Type1) and (ID 1,Type 1) if its not possible to do a distinct with more than one then what other techniques are possible to get the duplicate data out.   the reason why I want to use distinct is that I can use that query to export that data to where both of these fields make the primary key.

Thanks in advance

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Trying To Add A NON-DISTINCT Field To A DISTINCT Record Set In A Query.

Mar 12, 2007

I need to run a SELECT DISTINCT query acrossmultiple fields, but I need to add another field that is NON-DISTINCTto my record set.Here is my query:SELECT DISTINCT lastname, firstname, middleinitial, address1,address2, city, state, zip, age, genderFROM gpresultsWHERE age>='18' and serviceline not in ('4TH','4E','4W')and financialclass not in ('Z','X') and age not in('1','2','3','4','5','6','7','8','9','0')and (CAST (ADMITDATE AS DATETIME) >= DATEDIFF(day, 60, GETDATE()))ORDER BY zipThis query runs perfect. No problems whatsoever. However, I need toalso include another field called "admitdate" that should be treatedas NON-DISTINCT. How do I add this in to the query?I've tried this but doesn't work:SELECT admitdateFROM (SELECT DISTINCT lastname, firstname, middleinitial, address1,address2, city, state, zip, age, gender from gpresults)WHERE age>='18' and serviceline not in ('4TH','4E','4W')and financialclass not in ('Z','X') and age not in('1','2','3','4','5','6','7','8','9','0')and (CAST (ADMITDATE AS DATETIME) >= DATEDIFF(day, 60, GETDATE()))ORDER BY zipThis has to be simple but I do not know the syntax to accomplishthis.Thanks

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Apr 5, 2006

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S105

Is this possible?

Thank you in advance

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Mar 22, 2006

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2003
2006


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SELECT DISTINCT NewsDate FROM News ORDER BY NewsDate DESC


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Oct 26, 2006

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When I run it I get the following error: "Violation of PRIMARY KEY constraint 'PK__#LatLong__________7CE3D9D4'. Cannot insert duplicate key in object 'dbo.#LatLong'."



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a4
a5
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Hello Everyone
Hopefully someone can help me create a SQL statement for this.
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Feb 15, 2000

Hi! I have 4 tables and they have a common column (eg. regionid). These
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thanks in advance.

zrxowm


Table REGION1 :
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----------- --------------------------------------------------
10 Place1
11 Place11
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2 Western
3 Northern
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----------- --------------------------------------------------
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31 Place31
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This is the query in question:



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((SELECT TOP 1 ExchangeRateToUSD
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((SELECT TOP 1 ExchangeRateToUSD
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UNION ALL

SELECT Distinct 'D' AS Origin, RecordID, RelocateID, DTASupplierID AS SupplierID, DTADateIn AS DateIn, DTADateOut AS DateOut, DTANoOfDays AS NoOfDays,
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((SELECT TOP 1 ExchangeRateToUSD
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Hi,

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