Help Please With Multiple Outer Joins To Return All Records From Main Table

Jun 5, 2007

I have this query in design view and in an asp page and it works fine:

SELECT dbo_feedback.*, dbo_origin.originName, dbo_product.prodname, dbo_category.catName FROM dbo_product INNER JOIN (dbo_origin INNER JOIN ((dbo_feedback INNER JOIN (dbo_category INNER JOIN links_cat ON dbo_category.catID = links_cat.CatID) ON dbo_feedback.id = links_cat.FeedbackID) INNER JOIN links_product ON dbo_feedback.id = links_product.FeedbackID) ON dbo_origin.originID = dbo_feedback.origin) ON dbo_product.prodID = links_product.ProductID;

BUT, I want to return all feedback entries, even if they have no matching Product or Category. :confused: When I change the inner joins to outer joins I get a syntax error in the browser window. I changed the join type in the relationship diagram in Access and tried to recreate this in query designer, but Access says the statement cannot be executed because of ambiguous outer joins.

FYI, one feedback can have many products, many categories, and only one origin. I have the joins correct and enforced.

Please help, thanks!!!

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Query With Multiple Outer Joins Gives Wrong Result

Dec 15, 2007

Hello,

My query references 2 related tables: one for persons (PERS) and one for telephone/fax numbers and email addresses (CONT, for Contacts).
The relevant fields are:

PERS
pers_id (long) ---> primary key
pers_forename (text)
pers_surname (text)

CONT
cont_id (long) ---> primary key
pers_id (long) ---> foreign key
come_id (long) ---> foreign key
cont_number (text)

The foreign key come_id refers to a table for contact methods (COME), either "Phone (Home)", "Phone (Work)", "Mobile", "Fax" or "Email".

Now i want to list all persons with their home phone number and email address, also if they don't have one. It seems to be impossible to get it ...
I will explain what happens. Lets start simple: first list all persons with their home phone number (come_id = 1):
SELECT PERS.pers_forename, PERS.pers_surname, CONT.cont_number AS Phone
FROM PERS LEFT JOIN CONT ON PERS.pers_id = CONT.pers_id
WHERE (((IIf(IsNull([come_id]),1,[come_id]))=1));
This works fine. The IIf expression is necessary since we are dealing with an outer join: not all persons have a home phone number. If we would simply put "WHERE come_id = 1" then the query produces only the persons that have a home phone number.

But now i also want to see the email address (come_id = 5):
SELECT PERS.pers_forename, PERS.pers_surname,
CONT.cont_number AS Phone, CONT_1.cont_number AS Email
FROM CONT AS CONT_1 RIGHT JOIN
(PERS LEFT JOIN CONT ON PERS.pers_id = CONT.pers_id)
ON CONT_1.pers_id = PERS.pers_id
WHERE (((IIf(IsNull([cont].[come_id]),1,[cont].[come_id]))=1)
AND ((IIf(IsNull([cont_1].[come_id]),5,[cont_1].[come_id]))=5));
It seems perfectly logical: i added a second alias CONT_1 for the email address. Since this is also optional we have a second outer join, and the WHERE condition should also use an IIf expression.
The result is not correct though: the resulting recordset shows only the persons that have both a home phone number and an email addres or neither!
I have a lot of experience with SQL and queries, but i know i am not infallible. Nevertheless i am quite convinced that i should get all the persons: those that have a home phone number or an email address, or both or neither ...
I hope that someone of you can explain this.

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Feb 5, 2008

Hello All,

I have three tables: Employees, Gender, Diversity. Both the Gender and Diversity tables are one to many relationships with the Employees Table. I am trying to run a query that will output a count of all diversities and genders. For example:


Diversity-----Gender-----Employee Count
White----------Male---------------1
White----------Female------------5

Asian----------Male---------------3
Asian----------Female----------<Blank>

Hispanic-------Male-------------<Blank>
Hispanic-------Female----------<Blank>


I am trying to get all counts, even if the combination of diversity/gender is not in the employees table. I am going to use that information in a Crosstab query.

What I thought would work was do a Left Join For Diversity and Employee such as:

SELECT Diversity.[Diversity Description], Count(Employee.ID) AS CountOfID FROM Diversity LEFT JOIN Employee ON Diversity.ID = Employee.Diversity GROUP BY Diversity.[Diversity Description];


Then, do a Left Join for Gender and Employee such as:

SELECT Gender.[Gender Description], Count(Employee.ID) AS CountOfID
FROM Gender LEFT JOIN Employee ON Gender.[Gender ID] = Employee.Gender GROUP BY Gender.[Gender Description];

And then do a Union. But that doesn't work.

Any thoughts or comments would be much appreciated!

Thanks,

Jon

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Jul 26, 2005

Attached is a pdf of the query window showing the relationships and table structure; (sorry for the quality) the linkage is also permanent at the relationship window. I created a form (columnar) of Rooms; loaded a subform (columnar) of the projects; and then loaded the students (tabular) as a subform on the projects subform. The data entry is flawless; tabs through each field and form to form in sequence.

After entering several rooms data I tested it at the query level by loading the three tables: rooms, projects, and students, and the permanentely established linkage with junctions came in automatically. I thought I was home free--but when I run the query, I get zero records.

When I attempt various joins, thinking this will yeild all records from the many tables and their match, I get "ambiguous outer joins" and it says to run a separate query and add it to the SQL Statement?

Thanks for any help,

Almost funtional in Ann Arbor........

Oh, and thanks Pat Hartman for the tip on linkage -- although I may have screwed it up anyway.

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Nov 23, 2004

I'm new to the Access SQL world but I have a fairly complicated query that needs to be written for a project I'm working on. I am having trouble grasping the join concepts in access. My Query so far is:

SELECT u.user_logon_tx, ur.aff_sec_role_id, r.sec_role_ds, c.sec_cls_ds, o.sec_obj_ds, ci.aff_sec_cls_id, ci.sec_cls_item_ds, IIf(p.perm_in Is Null,0,p.perm_in) AS perm
FROM aff_sec_cls_item AS ci, aff_sec_user AS u, aff_sec_role AS r, aff_sec_user_role AS ur, aff_sec_obj AS o, aff_sec_cls AS c, aff_sec_obj_item_role_perm p,
ci LEFT OUTER JOIN p ON ci.aff_sec_cls_item_id=p.aff_sec_cls_item_id
WHERE u.aff_sec_user_id=1
And ur.aff_sec_user_id=u.aff_sec_user_id
And ur.aff_sec_role_id=r.aff_sec_role_id
And o.aff_sec_obj_id=1155
And o.aff_sec_cls_id=ci.aff_sec_cls_id
And o.aff_sec_cls_id=c.aff_sec_cls_id
And ur.aff_sec_role_id=p.aff_sec_role_id
And o.aff_sec_cls_id=p.aff_sec_cls_id
And o.aff_sec_obj_id=p.aff_sec_obj_id;


I have gotten it to work by using just the tables I'm doing the outer join on but when I add everything else I get the Ambiguous Join error. I wish I was using Oracle Thanks for the help.

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Oct 30, 2007

I have a database in which i am trying to create some forms in order to search for records. The database contains several tables. Some tables are linked using a compound key while others have a single PK. I created the search form which has different searching criteria. Once a user selects the criteria, they hit the search button (there are different buttons for each type of search) the button opens up a form to display all the data. The problem is that there are many tables to report on. I created a form with a subform. The tables associated with the main form are all being retrieved fine. however the subform doesn't seem to work. I created the subform using a query to select all the fields from the desired tables, i gave this query a criteria based on the main form so that the Id's would match. (ie. Main form ID = Firstable in subform.ID)

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"The SQL statement could not be executed because it contains ambiguous outer joins. To force one of the joins to be performed first, create a separate query that performs the first join and then include that query in your SQL statement."

Could someone please tell me what this means as the help is... how shall we say it.. written in true Microsoft Fashion.

And though it tells me how to fix it, i'm not really sure what it's telling me to do. I am using Access2003 But the Database is in an access 200 file format.

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The 6 tables are linked as follows:
Although some of these tables are not included in the query, they are required to ensure relationships.

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Code:

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tblPersons
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Jason 4/10/14 FIRST
Jason 4/13/14 FIRST
Jason 4/13/14 SECOND

So if I were to print this report for Jason, I'd get all the days in April laid out like a calendar, and on 4/10/14 you'd see "FIRST" in the box, and on 4/13/14. you'd see FIRST and SECOND in the box. All the other boxes would be blank.how to display the calendar, how to display the dates. I'm able to return records to those boxes by creating 31 separate queries, one for each day of the month, and each query returns records for that day. The queries are added to the report as subreports. It all works beautifully.

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1) Insert records from Temp table NOT found in the Main table - this query I have worked out below - not tested, but the results look correct.

Need Help Here...
2) Delete Records from the Main that are not found in Temp table with an exception...only DELETE records where certain key fields are matching. i.e. If S.CAD_NAME, lngStoreNumber are a match to what's in the Main table. While
Temp table:
lngStoreNumber - CAD_NAME - lngcomponentSerial
1 - "CHK" - a
1 - "STK" - a
2 - "CHK" - a

Main table
lngStoreNumber - CAD_NAME - lngcomponentSerial
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Hello,
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I am trying to set up a file compare process. I load the two files into two "matching" tables (there is a key field). I have a series of queries which find any differences in the various fields and displays them. My problem is that one field (Field4 - a tran code) is coded 1,2,3 in one file and A,B,C in the other. I have set up a third translation table with two columns, each row showing the matching codes (1/A, 2/B, 3/C, etc). I want to find corresponding rows in FILE1 and FILE2 (matched on KEY) where tran codes (Field4) do not match (ie a "1" in File1 but NOT a "A" in FILE2).

I have not been able to get the two inner joins to work. Can some one help.

This is my last attempt:


FILE1: KEY-Field1-Field2-Field3-Field4
FILE2: KEY-Field1-Field2-Field3-Field4
(Field4 is the code that needs to be translated)

FILE3/numeric/alphabetic
1 A
2 B
3 C
4 D


SELECT FILE1.KEY,FILE1.Field4, FILE2.Field4
FROM
FILE1 INNER JOIN FILE2 ON FILE1.key = FILE2.key
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Mac

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Nov 28, 2007

Hello people,

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Project
ProjectID (PK)
ProjectName
ProjectDescription

Patients
ProjectID(FK)
PatientID(PK)
PatientName
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VisitID(FK)
VisitName
VisitPrice
DaysToNextVisit ( integer)

Appointments
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PatientID(FK)
AppointmentDate
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Okay, take three tables.

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Percent

GangTable
GangID
Area_ID
Speed

MasterTable
MasterID
Station
Description
Area_ID

The Relationships

AreaTable.AreaID 1---------> (inf) GangTable.Area_ID
AreaTable.AreaID 1---------> (inf) MasterTable.Area_ID


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Simple Query: Query1

SELECT MasterTable.Station, MasterStable.Description, MasterTable.Area, AreaTable.Percent, GangTable.GangID, GangTable.Speed
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1 | Station One | Area 1 | 45% | 204 | 1000
1 | Station One | Area 1 | 45% | 304 | 500
1 | Station One | Area 1 | 45% | 404 | 750
2 | Station Two | Area 1 | 45% | 204 | 1000
2 | Station Two | Area 1 | 45% | 304 | 500
2 | Station Two | Area 1 | 45% | 404 | 750
3 | Station Three | Area 2 | 75% | 254 | 800
3 | Station Three | Area 2 | 75% | 354 | 600
3 | Station Three | Area 2 | 75% | 454 | 700


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Thanks,
Jaeden "Sifo Dyas" al'Raec Ruiner

ps - It just seems that with Junction Tables and all the many to many relationship designs I have tried, you'd be able to change the non-related fields. I understand that you can't change the "ID" fields, but the others should be editable.

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Apr 24, 2013

I have a table which includes a start date field and completion date field for housebuilding.

I am trying to extract all records that have either a started date or a completed date between 2 dates supplied by the user. I have tried to use Between on both fields but that doesn't return results between the fields.

It workd if I just do it on EITHER the start date field OR the completion date field so that implies to me that I need to break it into 2 queries, one returning start date recrods and the other returning completion date records but then I would need to have somthing that removes records that appear in both the start date and the completion date results.

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Queries :: Nested Query - Left Outer Join Not Returning All Records

Oct 1, 2014

I have a simple nested query that is not working as expected. My inner query returns 102 records but when I run with outer query I only get 96 records. Below is my query, I don't really want to pull the same fields from both tables but I was doing to test. The values that are missing are those that don't exist with the monthenddate 8/31/2014 - a left join should fix that but doesn't seem to be working ..

Code:

Select distinct a.entity, a.gl_account,a.profit_center,[Open Items_1].profit_center,[Open Items_1].gl_account,[Open Items_1].entity
from(
SELECT DISTINCT [Open Items].entity, [Open Items].gl_account, [Open Items].profit_center
FROM [Open Items]
)a
left outer JOIN [Open Items] AS [Open Items_1] ON
(a.profit_center = [Open Items_1].profit_center) AND (a.gl_account = [Open Items_1].gl_account) AND (a.entity = [Open Items_1].entity)
Where ([Open Items_1].MonthEndDate=#8/31/2014#)

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