Tables :: Split Database - Viewing Table Relationships
Sep 17, 2014
My db is split into front-end and back-end. In the f-e's Relationships schematic, I can see the relationships as they were defined at the time when the db was split, complete with the one-to-many symbology.
I can add a new table to the b-e and set its relationship as one-to-many, enforcing referential integrity and cascading as I wish - and the schematic (in the b-e) reflects that.
In the f-e, I can then use the <Get External Data - Access Database> function to link to the new table, and I can add the new table to the relationships diagram in the f-e. I can also drag and drop to link primary and foreign keys (within the f-e), but cannot select one-to-many. I'm OK with that, as I understand that the relationship is within the b-e, and this is just a diagrammatic representation.
But I can see the one-to-many relationships between the tables which existed when the db was split, and I would like to be able to see the new table's relationships in a consistent fashion. Updating the linked tables via the Linked Table Manager does not do the trick.
Surely I don't have to split the database again in order to achieve a consistent diagram - do I ?
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Feb 16, 2015
I have a split database with the back end on a sharedrive. I have the front end saved on my own drive and the same for my colleague.
When I view the front end version of my colleagues, I can see a records on there that she has input but I can't see them when I open my own copy of the front end plus when I view the back end I can't see the records there at all.
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Aug 18, 2014
So i split my database into a front and back end, now i wanted to add a table to the database. I created the table in the backend but im not sure how to make it appear in the front end. Im using access 2010. I tried the link table manager but the table i created dosent appear there.
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Jul 6, 2015
I have a split database and need a field (Combo type) in the table to lookup values from a query in the front end. How do I do this as it doesn't see the querys because the front and back end are split?
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Dec 1, 2013
I have made a table and I enter data in that table through a form. The form also include two sybchronized comboboxes. When I select a category in one combo box, corresponding items are selected in second combo box. The problem is that when I select the category in the form (with ID+Category Name), it stores only the ID in the table. How can I see the Category Name in the table (which is the control source of the form) instead of ID?
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Oct 11, 2005
Im trying to add 2 new tables to a split and linked database... but no matter which side i add the table to (BE or FE), it wont show up in the linked table manager.. so my question is 1.) is there some trick to getting it to show up in the link manager? or 2.) is there some way to re-merge the database, add the new tables.. and then split it again?
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Sep 9, 2007
Hi,
I would like to create a small HR database that holds:
* Employee details (Name, Date of birth, Entry Date, Exit Date, Function,Department, Shift)
* Departments
* Departments and capabilities needed
* Employee, departments and capability achieved (1=yes, 0=no)
The idea would be to have a link between the employee the departments capabilities I can tick fields of the capabilities they have or have achieved.
When I have this I could run a report that shows a score per employee
For example:
Name: Department: Orderpicking: Packing: Cutting:
John Warehouse 1 1 0
As the tasks / capabilities required are different per department you would see something different if you would have user Jane that works in accounting
Is there anyone that can give me some hints so that I can get any further??
For the moment I have 3 tables:
1. Employee information - John, Jane
2. Departments - Warehouse, Accounting
3. Department tasks - Department, Cap1, Cap2, Cap3, Cap4
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May 6, 2014
I have split the database I have created via the splitter-wizard and found that all tables with auto-numbers have re-set back to 1.
How do I get around this problem - I have tried running an append query but it flags up an error message. For certain functions to work in the database I need to set autonumbers at different amounts .
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Jun 2, 2014
I have a split database. I have just created anew table in the back end and created a relationship to an existing table. All done in the backend.
I have opened up my front end and imported the back end end. But when I check the relationships in front end neither the table or link is there.
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Feb 25, 2008
Hi, all.
I have a "client/server" split Access 2003 database with an Interface file containing all the code/forms/queries and some system tables and also a Data Backend file, with all the data tables and table structure.
This is being deployed to multiple sites, each getting their own version of the backend, so sites will not be using the same backend between them all, rather multiple users in each site will all share that site's backend file.
Since users will deploy in different network locations, etc. they will have to re-link all tables. Is there a meaningful/user-friendly way of doing that without relying on user's knowledge of "Linked Table manager", etc.?
Thanks!
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Jan 16, 2008
Hi,
I am new to this post. I am a physician with interest in database designing. I have been trying to design a database for my clinic for few months but am unable to make one. I have been searching/ reading alot of info and came across this thread. Maybe someone can help me.
Actually, I want to make a database regarding ultrsound scan examinations of patients.
I have five tables.
1. Patients. (patinetid*, patientname, age, sex, address, contact no)
2. Physicians. (physicianid*, physicianname, speciality, address, contact no)
3. Scans. (Scanid*, scanname, charges)
4. Scan orders.(scanorderid*, patientid*, physicianid, scanordernumber, scandiscount, totalcharges)
5. Scanorder details.(scanorderdetailid*, scanorderid, scanid, charges, discount)
I want to have primary key for scanordernumber which wil be the patient number and should this be placed in patient table??
All the ids have been linked with one to many reltionships. Actually I am unable to set proper relationship.
So when the patient arrives he is registered with a unique number, a physian name with date added and scan ordered is entered. Sum calculated. I have done the later part with the form all designed but the relationships and primary key are all messed up.
I can post an image of relationships or blank database.
Kindly advise. Thanks in advance.
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Dec 7, 2007
Hi.
I'm about to move to a back end / front end system, from a single database file. Before I do so, I want to make sure I have all bases covered so to speak.
My back end file will reside on a server. I am aware that path names are sometimes changed by network administrators without warning.
From tests, I notice that, if the path to the back end can't be found, one cannot open the front end database file at all (Access 2003).
My question is: if my back end file gets moved, or the path changed, how can I get into my front end file to update the linked tables.
Many thanks in advance.
Mat.
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Feb 21, 2015
I need to redesign a database to include more complex relationships between 3 variables non of which are mutually exclusive.These are my 3 tables/fields. Each field is unique in its table.
T_Project.JobNo
T_Accession.AccessionNo
T_Reports.ReportNo
There is no clear relationship between the variables - ie they can all be 1 to 1 or 1 to many or do not have to exist at all. So I realise now (after 14 years of working with this data), that I need to have what I would think of as holding tables between the primary tables that hold combinations of the variables. Do I do this in one table that holds all 3 variables in non-repeating combinations (although this would need to allow nulls) or do I do it in 3 separate holding tables?
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Oct 12, 2005
Hi!
I was just wondering about the relationships between tables in a split BE/FE setup. If you have set up the relationships in the BE, do you need the same relations set up in the FE relationship window?
Any insights to this will be greatly appreciated.
Thanks in advance.
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Aug 18, 2014
So I split my database into a front and back end, now i wanted to add a table to the database. I created the table in the backend but I am not sure how to make it appear in the front end. I am using access 2010. I tried the link table manager but the table I created doesn't appear there.
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Sep 24, 2007
Hi All,
My name is Paul and I am new to this Forum, so I firstly wanted to say hello to all and glad to be here.
I need some assistance with a work related database. I am currently developing it as a project but have run into a wall with the design being my first time.
I have to create a customer service and invoicing database. I currently have the following tables:
Client (Customer No, User Profile, Password, Customer Name, Acc No, Policyholder, 100% Indemnity)
Contact (Acc No, Date Signed On, Company Name, Contact Name, Address 1, Address 2, Address 3, Address 4, Address 5, Post Code, Telephone No, Fax No, Email)
Product (Product ID, Product Name, Service Level, Product Code, Price, Subscription Details)
Client / Price (Customer No, Product ID)
Usage (Order Number, Day, Month, Year, Subject Name, Client Reference, Product Code, Company Name, Customer No)
I have managed to link Client and contact no problems at all. I have also managed to link Client to Product using the table Client / Price.
I have tested this with queries and can get all of the data I need extracted out.
However the problem occurrs when I try and link the Usage table to something or other. The Usage table is data that I need to import on a monthly basis from Excel. Once I get it, I need to load it into Access and then generate usage statements for each of the clients to show what products they have ordered and how much each report has cost them.
To make matters worse, each client has 14 different products to choose from, and all clients have different prices for each of the different products.
Getting this to connect properly is an absolute nightmare.
Can anyone assist me in how I might link the Usage (imported table) to the rest of the database? I have attached a copy of the relationships on a word document and wonder if anyone can put a finger on what I might be doing wrong.
Hope someone can help.
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Feb 14, 2012
I want to design a database for an educational instution environment. My problem is knowing what tables to create and how to link them. I know for example that an instructor can teach more than 1 course and a course can be taught by more than 1 Instructor. This makes it a many to many relationship which is not remommended. I know that there has to be another table to bridge these 2 tables. I want to know what is a suitable name for this 3rd table and what example fields it should contain besides the the Keys form table 1 and 2?
Now here is the over all problem:some instructors teaches more than 1 subjectsome subjects are taught by more than 1 Instructorsome Classes are taught by more than 1 instructorsome instructors teach more than1 classSome classes do more than 1 subjectSome subjects are done by more than 1 ClassSome classes are done at more than 1 locationThis is what is needed:
To be able to enter student grades and attendances by classThe marks sheet should be entered in a subform displaying the full student names list for a particular class at a time.
2. To be able to display the marks and attendance of students as a class list.
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Apr 8, 2015
I'm working on recreating my church's records in access and was originally wanting to take people from the Visitors table and automatically move the to the Members Table (and same with Deceased & Moved), but after some searching found that's not really do able. So now my question is, can I have a master table that has everybody (visitors/members/deceased/moved) and then split that into different tables while keeping the main table (that way I can go into the main table and reassign the person)?
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Jan 2, 2015
I am attempting to build a table relationship, however when I enforce referential integrity, I keep receiving the message: "No unique index found for the referenced field of the primary table".
I checked and I have no duplicates in the primary table or secondary table.I will set up the two tables as thus: 1. Master table - People Who Eat 2. Secondary table - a table for all people who eat pizza.
I am trying to link my pizza table to the Poeple Who Eat table. I have created my own primary key for each table (an account number). My secondary table is much smaller in population than the People Who Eat table (which would include data from other subgroups). I am trying to get the 'yes'/'no'/'uncertain' from the secondary table into the primary table without manual entry.
I have searched all over the web and have not been able to find why the tables will not link. I am new to Access, so there may be something I am overlooking. Is there a way to get this information from the other table other than building a relationship?
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Aug 30, 2013
I have tbl_orders which records orders. I have a linked table called tbl_order_lines which details the items against each order.
In a nutshell, an item can only appear once in an order. However, I do not know how to create a relationship or code the frm_order in order to reflect this in my DB.
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Mar 30, 2007
Hi All,
I've developed a database that was working fine until I split it to use in a network enviroment. The problem is a make-table query that now make it's table in the front end instead of the back-end. I need to run a make-table query because the query uses a custom function which then causes errors when the query is accessed by a web form that I use.
The only way I thought of getting round it was to create a permanent table in the back-end which is cleared every time and an append query used to populate it.
Anybody any other ideas?
Cheers
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May 28, 2014
I created a database a few years ago and it has been working well. This database is split.
Recently I started to update the front end based on user feedback and I am adding some queries.
I am noticing that sometimes I try to create a new query and Access tells me that the tables that are involved in the query are not related. Sure enough if I check in the front end, the table relationships are not the same as those in the back end and while the table relationships I need exist in the back end, they do not in the front end.
While the relationships were initially created in the unsplit database, it is possible that I added some of them later during past development/updating processes when the database was already split. This is the only reason I can think of for them to be different.
When I add a relationship in the back end (new table or bug fix) do I also need to add it to the front end if the database is split? if not, why would they be different? What kind of issues can this create?
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Feb 10, 2014
I am using Access 2007, and I mistakenly created a duplicate table in Relationships. And, I have not been able to removed it or delete it.
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Nov 21, 2013
I have an Access 2007 file that is 'split' so the tables are centrally stored on the server.
How do I update one the linked tables stored in the back-end file with a table from another Access file?
If I import the 'new' table it is not 'linked' - it is embedded with the Access file I am working on.
What is the correct way of doing this without corrupting the data?
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Sep 13, 2012
I have 3 tables
tblProductInfo
- ProductID
- ProductItemNumber
- JDEDescription
tblFacility
- FacilityID
- FacilityDescription
tblProductFacilityMM
- ProductToFacilityID
- ProductIDFK (combined with FacilityIDFK to make a PK)
- FacilityIDFK
As I'm writing this out, I am realizing that tlbProductFacilityMM.producttoFacilityID is probably not necessary, but that I don't expect that to have much significance to the issue. So I've setup a query between the two tables:
Code:
SELECT tblProductInfo.ProductID, tblProductInfo.ItemNumber, tblProductInfo.JDEDescription, tblProductFacilityMM.FacilityIDFK, tblFacility.FacilityDescription
FROM tblFacility INNER JOIN (tblProductInfo INNER JOIN tblProductFacilityMM ON tblProductInfo.ProductID = tblProductFacilityMM.ProductIDFK) ON tblFacility.FacilityID = tblProductFacilityMM.FacilityIDFK;
And used it to create my subform which is simply a drop down box for tblProductFacilityMM.FacilityIDFK. My main form is one that has already been in use for 6 months or so, it is based off the tblproductinfo table and needs to have the option to select multiple Facilities for each ProductID. I inserted the subform, but when I try to select a facility I get an error that reads:
Quote: Cannot Join Records; Join key of tblProductFacilityMM not in recordset.
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Sep 14, 2014
I'm trying to create a database at work keep track of projects I'm working on and all the different events that happen during the project.
I want the main table to be customers, which will include the job number (as the primary key) name, address etc. Then I need other tables that have information about the building permit that will include dates city names etc and then another table that would include information on our sales people and so on, there would be maybe 5 tables that all connect back to the customer table.
I have tried this several times and keep running into problems, I'm sure it has something to do with the relationships. I'm missing something. I can create 2 tables and it works fine but once I add a 3rd it wont work.
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