Need Help With DISTINCT Query

Apr 16, 2007

Hey all

Hope everyone is well.

Im having some probs with a DISTINCT query and hope you can help me out.

In the simplest terms I have a table that has 3 fields. Firstly the BikeManufacturer, then the BikeModel and finally the EngineCC.

Now from this table I am dynamically creating a drop down list via an AJAX request.

See it here .

When the user clicks on a manufacturer the select should be created showing DISTINCT BikeModel.

This could simply be achieved with a DISTINCT Statement but what I also want to do is order the list by the EngineCC.

Now if i put both fields into the DISTINCT statement i get duplications of the models since they dont all have the same EngineCC. But if i leave out the EngineCC from the select then I cant order by it.

Any ideas?

Thanks

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Need Distinct Records Of Whle Table But Distinct On One Field

Sep 15, 2006

Hi, Wish if some one could help me ASAP.
I have a table which contains name, tel, email
i need to import only records which have distinct email.
I do need need to import data of all three fields but only which has distinct email.
As there are number of record which are duplicate.
They have different names but same email.
So i need to condition only for distinct email but dump the data in a new table with all three records.
so same names can have different email.
but same email can't have duplicate email.
So need only records which have distinct email.
Please help .......

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Feb 15, 2008

Hey all

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Each ID has date and status.

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If there are 2 like that (with different statuses) i need the one with lowest importance. Any advise ?

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ssss02/04/200802/04/2008ghj6
ssss02/04/200802/04/2008ghj6
tttt02/04/200802/04/2008ghj5
tttt02/04/200802/04/2008ghj5
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rrrrrr02/07/200802/07/2008ghj4
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tttt02/11/200802/11/2008ghj5
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Oct 2, 2007

I am working in Access 2003. I have a combo box based on the query below that works perfectly except that it shows duplicate Department Names in the combo box. I have not been able to find any way to show the Department Name only once. I have tried putting in SELECT DISTINCT in the string, but to no avail I recieve an error :
ORDER By clause(DepartmentMembers.[DepartmentMembers]) conflicts with DISTINCT.

Any light you can shed on this subject would be greatly appriciated. I have been researching forums for over two days and have not been able to generate a solution to this. Thank you in advance!

SELECT Departments.[Department Name], DATA.[BUILDING LOCATIONS], DATA.[REPORTS TO], DATA.[DIRECTOR NAME], DATA.[NUMBER OF PERSONNEL], DATA.[PC NAMING CONVENTION], DATA.[CISCO SWITCH(ES) ATTACHED], DATA.[SERVER-BASED APPLICATIONS USED], DATA.[DEPARTMENT SHARE (Z:DRIVE)], DATA.[EXTERNAL SERVERS], DATA.[Department ID]
FROM (DATA INNER JOIN DepartmentMembers ON DATA.[Department ID]=DepartmentMembers.[Department ID]) INNER JOIN Departments ON (Departments.[Department ID]=DepartmentMembers.[Department ID]) AND (DATA.[Department ID]=Departments.[Department ID])
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Jan 20, 2007

I'm going nuts here...can you privide some help.

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and it goes like this:
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But all I get in a 500 error.

The fact is that if I use "*" instead of "empresa" the query runs but i list all the records with 'aviacao' in INDUSTRIA

I have this SQL query made in ACCESS - that does what I want - but it doesn't rune in mine ASP page.

SELECT DISTINCT arquivo.EMPRESA, arquivo.INDUSTRIA
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Sep 13, 2011

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C 10 10 145540

D 20 20 145540
D 10 10 145538

I need to obtain:

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D 30 30 2

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Jul 20, 2005

Is this possible, if using the following:

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Is there any way to alleviate this?

I want to display a "mmm yyyy" formatted combobox in order (i.e. Jan 2005, Feb 2005, Mar 2005, etc...)

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Oct 26, 2004

Seems easy but I can't get it to work

Table Services
Pk_Service
Service_Name
MyDate
Fk_License

Table Licenses
Pk_License
License_Name

I need to get all the services for one license, but only once, you'll see what I mean

Pk Service Service_Name MyDate Fk_Licence
1 Base 10/5/2004 5
2 Base 12/6/2004 5
3 Super Base 11/4/2004 5
4 Base 20/10/2004 5
5 Super Base 17/7/2004 5

there's about 7000 records with the same 4 services recurring all the time

All I want for one license is the all distinct services for a chosen date

If I select License 5, and today's date, 26/10/2004, I would need the latest service (closest date but has to be inferior or equal), in this case

Pk Service Service_Name MyDate Fk_Licence
4 Base 20/10/2004 5
5 Super Base 17/7/2004 5

Here's the query I have:

select distinct Service_Name from Services where Fk_License=5 where MyDate <= SelectDate order by DateDiff('d',SelectDate,MyDate) DESC

where Fk_License is to get only the services for a particular license
distinct if to only get each service once
MyDate <= SelectDate if to get only the services older than the selected date
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they say distinct conflicts with order by

Anyone knows how to do this query right?

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These queries are trimmed down for the essential elements of my question. I can post the full SQL if necessary.

queryDoTheseFirst:

Code:
SELECT TOP 18 ImportTemp.[SO ID], ImportTemp.[Inspection Activity],
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[Code] ....

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Hi,

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