Queries :: Unique Query Is Giving Duplicates

Aug 4, 2015

I have a unique query which lists all the films that we are screening over the next 3 months. I have added a COUNT field so that I can see how many of each films we are screening.

The problem is that i get duplicates of some films - and this may be because we may hold several copies of some films. I have attached two images which might explain this better!

What I could do with is knowing how to make it so that i get a list of films booked and how many of each, regardless of which copy of the film is used.

The SQL is:

Code:
SELECT DISTINCTROW dbo_Films.[film name], Count(dbo_Films.[film name]) AS [CountOffilm name]
FROM ((dbo_Films INNER JOIN dbo_filmCopies ON dbo_Films.ID = dbo_filmCopies.tblFilms_ID) INNER JOIN dbo_EventsFlicks ON dbo_filmCopies.ID = dbo_EventsFlicks.filmCopyID) INNER JOIN dbo_Venues ON dbo_EventsFlicks.venueID = dbo_Venues.ID
WHERE (((dbo_EventsFlicks.datefield)>=#8/1/2015# And (dbo_EventsFlicks.datefield)<#1/1/2016#))
GROUP BY dbo_Films.[film name], dbo_Venues.southhub, dbo_Venues.northhub, dbo_Films.Specilaised
ORDER BY dbo_Films.[film name];

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Queries :: Append Query With Unique Duplicates

Sep 11, 2013

I'm attempting to create an append query that will add new records only if there isn't an equivalent record already existing. Typically I would add the existing table to the query, and only add new records if the same do not exist. In this case, the table is maintaining records over time (start date and end date).

I have 4 tables:

[t_employees]
employee_ID
employee_name

[t_cities]
city_ID
citiy_name

[t_city_assignment]
city_assignment_ID
start_date
end_date
employee_ID
city_ID

[t_temp_employees]
effective_date
employee_ID
city_ID

I'm checking if [t_temp_employees].[effective_date] <> [t_city_assignment].[start_date]. However, if the employee has historical entries it will still add a record (in fact, it'll add multiple records).

How can I append a new record only if one for the same time period does not exist?

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Mar 27, 2006

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Feb 27, 2014

I have imported a large number of emails into a table tbl_requests.

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Aug 13, 2013

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Nov 2, 2014

I have a client database that has recently had multiple duplicate entries. I need to reduce or negate this erroneous activity. I have a client table where I record amongst others, the following;

key
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[family_name]
[dob]
......

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However I need to fill all the existing customers (3600+) with the relevant joined existing data. If I create an expression I can cajoin the fields in a select query but when I try to make an update query the same syntax comes up with empty fields.

select query sql that worked to show field ...

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update query that was empty ..

UPDATE divers SET divers.[unique] = [christian_name] & [family_name] & [dob];

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Counting Unique ID's Without Duplicates

Jun 29, 2006

Hi,

I have a problem with getting the right result with a query.

To this topic I attached a part of my database including 2 queries. The queries are almost the same, except the first field. In query 1 is the total 'Group By' and in query 2 'Count'.The other fields are parameters, which are the same in both queries.

My problem:
If I run query 1 then the result is 31 rows with unique ID's. When I run query 2 the result is 35, because the query counts 4 duplicates.

The correct result I want is 31. That means count the unique ID's. I am able to show the ID's with query 1, but I am not able to count them correctly. I tried to add 'DISTINCT' in SQL view but that didn't help.
Also other solutions written in this forum didn't work.

Thank you if someone (with more query/SQL experience) is able to help me... :o

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I have a query showing duplicates, I want to hide the duplicates that have a null value in one of the rows..

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Jul 30, 2013

I would like to use an append query that appends data from a union query into a table, but doesn't add duplicates based on a certain field.

I have been trying to use this code, but it doesnt seem to work.

INSERT INTO [Cotton13/14]
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Oct 23, 2014

I have a find duplicates query with the following SQL:

Code:
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Oct 22, 2013

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Jan 16, 2014

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Quote:

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Each AccountID could appear one or more times in the balance table (one-to-many relationship), so I only want to count the number of unique ID's.

So I started with the following :

Quote:

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GROUP BY tblCurrencies.CcyID, tblCurrencies.Ccy
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I found this article which informs me that a Count(Distinct) query won't work in Access and to use subqueries instead.

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Query used: Web/PrintReport_qry
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Code:
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ManifestData
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Hi

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help is greatly appreciated!

thanks in Advance!

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This query is getting complicated for me... I need help please! :(
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I think I need a between there somewhere but not sure where to put it...??
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Thanks
Sarah




SELECT [FirstName] & ", " & [LastName] AS FullName, TriOct10.FirstName, TriOct10.LastName, TriOct10.Address, TriOct10.City, TriOct10.Prov, TriOct10.PostalCode, TriOct10.VolScreenCode, DatePart("m",[PRCDate]) AS Month2, DatePart("yyyy",[PRCDate])+3 AS PRCDueY2, TriOct10.PRCDate, TriOct10.MemberType, TriOct10.MemberStatus, TriOct10.ExpandName, TriOct10.RegOrgName, TriOct10.RegisteredRole
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Hi all.

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Here is the SQL limiting criteria to a bare minimum (QuoteID)
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rgs
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Hello everybody!

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Hi ,

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THANKS VERY MUCH!!

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