Need Help With Creating Relationships
Oct 8, 2006
I have an assignment with absolutely no directions other than
Quote: 1.Open the Relationship window
2.Create the following relationships:
The strDeptCode field in tblDepartment should be related to the strDept field in tblHumanResourcesData
The strEmpID field in tblPersonalData should be related to the strEmpID field in tblHumanResourcesData
The strParkingLotCode field in tblParkingInfo should be related to the strParkingLotCode field in tblHumanResourcesData
3.Save the relationships and close the Relationship window.
Where do I go to begin this? I couldn't find any real help with the help sources in Access. Nothing that made any sense at least.
Oh - I am using Access 2003 by the way.
Any help or direction would be extremely appreciated!
Thanks,
Ryan
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Feb 11, 2005
I am using SQL 2000 and have two tables that I want to create a relations ship, so that when I add data to one it gets added to the other.
Table_Main
QuoteID int
PartNumber nvarchar
(both make up key field)
Table_Secondary
QuoteID int
Item nvarchar
(both make up key field)
When I use the database diagram in MS Access (ADP not MDB) I get:
"The columns in Table 'Table_Main' do not match an existing primary key or UNIQUE contraint."
Othere then then actual name of the filed, they all match, what gives?
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Nov 20, 2004
I'm a student working on a project in which I've inputted information from course evalution forms into new databases. I have a database for each semester and then tables for the individual workshops. Problem is, these are many to many relationships and there is no real way to link the tables. My friend suggested a redesign, which would essentially mean splitting up the information for an individual form. (i.e. course instructor in one table, comments on workshop in another table) I have a big problem with this because I would be eliminating peoples' ability to see all the information for one workshop in the same table, which in my mind is just as useless. I'm interested in hearing your thoughts if I'm taking the right approach. Thanks.
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Oct 30, 2012
I was wondering how to create relationships between tables?
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Aug 2, 2013
I'm trying to create multiple relationships between the same two tables, but I run into problems every time I try. I'm using Access 2007.
Specifics:
I have a table with information on meetings and there are two hosts. So I have fields Host 1 and Host 2. I have a second table that lists possible hosts and their personal information. I have a relationship between table 1 "Host 1" and the Host in table 2; I cannot create another working relationship between table 1 "Host 2" and the Host in table 2.
how I can get that to work? With just the one relationship, I can go to table 2 of the hosts, click on their name, and see all their meetings.But if I add another relationship, it takes out all of the information. I've been working on this for over an hour,
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May 3, 2015
I'm thinking about creating temporary (while db open) relationships between tables, since transfering tables is possible only if no linked relationships are present. However it's important to preserve in some cases referential integrity.Looking online, I found this code:
Code:
Public Function CreateRelation(primaryTableName As String, _
primaryFieldName As String, foreignTableName As String, _
foreignFieldName As String) As Boolean
[code]...
Even with the comments I don't really understand what exactly this code does or doesn't do.I tried the code. It seems (?) to create a relationship. Since the relationship doesn't show up in the relationships table, I'm not really sure if it's there.
- why it's not visible among other relashionships (or is it me?? maybe, it wasn't the code that was working but the query...)
- how to implement referential integrity
- what's the behaviour of this supposed relationship. Is it permanent or not? If not when is it deleted?
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Feb 13, 2014
I have two tables that look like this:
Table 1
LOCATION NUMBER , SIZE
1.12 ,100
1.13 ,100
1.14, 12
1.15, 12
1.16 ,150
1.17 ,150
1.18 ,100
Table 2
ITEM , SIZE
A , 12
B , 12
C ,100
D ,12
E ,100
F ,100
G , 150
I would like to do a query that Joins the "Size" in each table, and then matches an "Item" to a "Location". However, because of how a normal join works, I cannot seem to figure out how to limit the "Location" field from producing duplicates in the match.
I only want to have 1 location for every 1 Item.
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Sep 24, 2012
I am trying to create four tables: Company, Contact, Activities, and Opportunities.
I want them to relate hierarchically. A Company can have many contacts, contacts can have multiple Activities and Opportunities. But you can't have contacts without a company and you can't have Activities and Opportunities without having a contact. I want all PK's in all tables to link to one another, that you cannot create one without the other.
How I can do this in Access 2010?
YYMM00000-000000-A0000
CompanyID-ContactID-ActivityID
or
YYMM00000-000000-O0000
CompanyID-ContactID-OpportunityID
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May 20, 2015
I am creating a database for creating quotations. The quotation number is generated using the date, for example the first quote today would be quote number "05202015-1" because it is the first one today. The next quote today would be quote number "05202015-2" and so on. Is there a way to make access automatically generate these quote numbers based on the date?
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Jul 18, 2005
Hi all. I really need help with this. Does anyone see a problem with my relationships , i have attached a copy.
Any help will be greatly appreciated
ClaireB
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Aug 2, 2005
I am new to database design and curious about relationships. In a hypothetical situation, if I have four tables: tblProducts, tblOrders, tblEmployees, and tblCustomers, how could the relationship be set up?
The Products are stored to keep track of the quantity on hand and the employees will also need to be tracked as to how many products they sell. Customers are recorded and Orders wrap up all three tables with the fields: OrderID, ProductID, EmployeeID, and CustomerID.
Would it make sense to say that many products can be bought by many customers and/or many employees can place many orders.
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Aug 16, 2005
Hi
I've selected a number of tables to the relationship window. When I drag the primary key on one table to the corresponding foreign key on another table, the link created is one-to-one. I want one-to-many. Why did it create one-to-one? How do I change this to one-to-many?
Thanks
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Mar 7, 2006
Hi all. I am new to the use of access and have been told that I need to create a one-to-many relationship to be able to have several records from a drop down list saved to one unique number (my primary key).
Is this correct and if so how do I do this? If it is not correct what is the best way to do what I require?
Thanks for helping.
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Mar 16, 2006
Hi
I have created two tables which are linked with a one-to-many relationship
Using a form the user enters a date. Then in VB I add a value to the date and store this in the second table.
I have simplified this to try to find out what was going wrong and found that when the database adds a value to the second table which only has two fields it first of all adds it to the begining of the record set and the id field does not update to that of the first table where the relationship is joined.
Do I just captutre the value of the id field and add this to the recordset.
How to I get the database to look foir the end of record set before I appent the new generated record.
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Aug 7, 2006
Hi,
I have looked for this on the help section; however, it does not seem to be covered. How would you change a one-to-many relationship to one-to-one? Access seems to automatically guess that the many side is where the foreign key.
Can it be changed from Access or is entirely on how you design your tables?
Thanks,
Bee
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Aug 18, 2006
Hi !!
I am doing a school project on a school database. In my DB I have a table with all students records (eg. Student ID, Name, Surname, DOB, class etc) and I have another table where the student fees payment slips will be printed.
The fee table will only have the ID, name, surname and class fields and fee will be input for every student for every term.
I want the fee table to get all the info except the fee from the first table automatically when I give a student ID.
I have created a one to many with only Student ID fields linked, NOTHING.
Then I tried to link many fields on each side (eg Name to Name, Surname to Surname etc) but I got a msg "No unique index found for the referenced field in the primary table"
Plz help me !!
Thanks
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Oct 10, 2006
would having a db with several tables and NOT setting any relationships up in the relationships window affect the db in any way?
i have such a db, which originally had all the relationships set etc. however, as i encountered errors and had to replace tables and delete entries, i must have at some point deleted all the relationships.
i just relaised that the db now has no relatioships set up (all the primary keys are still in the tables) so i'm wondering if this matters?
cheers
Jose
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Nov 9, 2006
I'm trying to define relationships between a few tables in Access 2003 and It's only doing a one to one. How do I get it to do a one to many?
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Nov 23, 2006
Please someone help! This is very urgent!
I am designing a database for a clinic
basically,
One Form is a Demographic Form, which was been designed. Each person was given an identifier code.
However, they all did 3 questionnaires. Each one of them has their ID code on it.
Is it possible for me to make a query so that when I search ID code, it actually brings up all the information on every questionnaire?
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Jan 1, 2007
If I have a table "tblContinents" with just two fields ContinentID and Continent and I have another table called "tblCountries" with three fields CountryID, Country and Continent.
After reading several articles, i decided not to make the Continent field in the tblCountries as a lookup field but rather I will do that at form level via a combo box. In such situation, since i am not creating a lookup field at table level, do you think that it is necessary to create the relationship between the two tables in the "relationship window", or shall i just leave it as it is, and if the need arises i will create such "relationships" in queries?
Thanks very much.
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Jun 19, 2007
hi, im new here and i dont really know much about databases with access. im currently doing an assignment at school requiring me to do a entity relationship diagram for all my tables, which i do not know how to do. Can anyone please assist me asap? thank you very much in advance
below is the link where i uploaded it because it was too big to be uploaded onto this post. :)
http://www.megaupload.com/?d=E6AU28CL
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Jul 4, 2007
In my Db I have TblQuotes & TblQuoteItems
I want the one-to-many relationship to be based on my own generated quote reference rather than the PK/FK.
My quote reference looks something like this IN123/10
Does the character '/' cause a problem with creating the relationship as I get the error message "No unique index found" even though I know that they exist?
Thanks
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Aug 10, 2007
When I view the relationships window, not one of the relationship connector lines (whatever the technical term is) do not show up! I click view all relationships, view direct relationships. I restarted my computer, restarted Access. Nothing!
I know I have relationships because when I am table design view I try to change something that I know has a relationship and it doesn't let me because it says I have a relationship.
What is going on!?:mad:
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Jan 31, 2008
Hello..
Here is what I have. The database is made up of three tables (see below and see attachment). I have it set as one event to many ethnicity's and many personnel with the event ID as the PK in all three. Did I do this correctly? I thought I did and I had a form with each one of these running correclty but now it is not working.
tblEvent
EventID(PK)
tbleventEthnicity
EventID (FK)
tblPersonnel
EventID(FK)
See attachment for the other fields.
Can someone just check to see if I set this up correctly or what I should do differently?
Thanks
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Nov 2, 2004
I have already made a relationship 1 to many, i want to add another relationship. I put the name of the feilds i want to join up in the drop down box. I put "enforce in..." and "Casgade update related fields" on and join type 2. Then when i press ok, it comes up with "file title " to "film title" and comes up with "no unique index found with the referenced field of the primarytable".
Does anyone know what this meens?
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Nov 22, 2004
I am writing a access database for work(fire dept). It is a database for the vehicle checks. Most of the fields are Boolean fields we just need to know if the inventory is on the unit. I am kind of new to this. My tables so far are as follows:
TCardiacMonitors
TFirstInBags
TGlucometerKits
TIntubationKits
TUnitNumbers
TCompartmentNumberOne
thru
TCompartmentNumberEight
TSealNumbers
TEngineChecks
all list the inventory that is supposed to be in that table
Everything is dependant on the Vehicle it is on so my question is Do I relate everything to a look up field in TUnitNumbers(intUnitNumberID) or is there a better way to do this? I need to relate everything to the date it was checked
Thank you for your help Bill
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