Tables :: Product Table With IDCustomer And Different Primary Key
Apr 17, 2015
I got a product table that I want to link with Customer Table.
To relate one to many I have a IDCustomer on my product table that is about 1000 rows.
I can link and all is working.
But in the product table I need a Primary Key that is shorteer in rows (only 15 rows) and access won't let me create such a primary key because it contains null value.
I Need Product ID (as primary key) to relate to another table which I will name Product details.
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May 28, 2015
I have a table for a multiple parents linked to a child table. I need to figure out a way to only allow 1 parent to be coded as primary, 1 as secondary, and then the rest as other... I thought about making Primary/Secondary/Other a primary key. But then I can only have 1 other. I would have to make a finite number of parents that could be entered and I want an infinite number.... My end goal is to have a report that only has a primary and second parent on it, but the rest of the parents still exist in the table...
*Child_ID
Parent_First_Name
*Primary/Secondary/Other
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Sep 16, 2013
In a many-to-many relation, one create joint table and use two columns of both ID's in a Composite way. This what the text books recommend.I had a Form/subform to view the relation between the two table. I tried to add to the subform a new relation Access did not allow me to do it. I can go to the joint table in datasheet view and ADD to my heart content observing the unique condition.
If I change the design of the joint table to auto as PK and the two ID's with no PK in either, I can update from the subform .WHY the Composite Keys do not allow me to update the joint table by adding new records in the subform ???
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Aug 18, 2014
So, I have two Primary Keys in my table, how then do I link another tables to it?
tblAdmissions
PatientID Number Primary Key
Visits Number Primary Key
tblRoomPhoneNumbers
PhoneID AutoNumber Primary Key
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Oct 20, 2006
Hi, I have 7 tables in my database and 1 form corresponding to all the fields in these tables (linked by a query by recordsource). My problem is that the form will only show a record if ALL 7 tables have manually had the primary key entered (not good when i have information that needs to be added at different times). How can I make it such that if I create a new record on the form that all primary key fields will be updated, and this record will be present every time i open my the form??
Cheers
Tania :o
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Sep 22, 2007
Hi there,
I am trying to model my database to create relationships between different tables in my database. During the process of doing so I ended up having one primary key in table A linked with to foreign keys in two different tables ( table B & table C) and both of those two table are junction tables to break out many to many between many other tables
Now for some reason!!! I feel that there is something wrong with my logic mapping and modeling of the relationships between tables due the fact of having one primary key linked to two foreign keys in two different tables :(
Is my intuition is right? should such case be considered as indicative of wrong modeling of relationships between tables in a single database
And if so what is the disadvantages of that link (talking down the road) when the database if fully populated? :confused:
By the way I am new member and new to database, so please take it easy on me :o
Many thanks
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Oct 18, 2012
How to I combine 2 tables with the same primary key to make one table? I have seen several thigns but none have worked. I seen inner and outer joins. All 4 of my tables have the same primary key. I just want to combine all the tables to make one table. I have a form with subforms but if I can combine all the tables and work off one rather then 4 I will be happier. Every week to 2 weeks I upload new data from excel. How would I after I add the new data combine all tables to one super table?
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Aug 29, 2013
Right now, I have 4 related tables. There's a table with companies, one with people involved with companies, a table linking the two by having foreign keys of the company number and people names, and a table that indicates directors and their alternates.
Since there's a one-to-many relationship for companies/people to company-peopleID (A person can run multiple companies, a company has multiple directors, it's easier this way), a person's name can appear multiple times, as can a company, within that table.
In a company, a director may or may not have 1 and only 1 alternate director to him/herself. So, I thought the easiest way was to put an autonumber in the Company-personID table and have a table (alternates) that had two fields, "alternate" and "director", both using that autonumber to link them. However, it appears as though I can't link the same primary key twice to two foreign keys of the same table.
[URL]
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Jul 30, 2014
I'm trying to do a lookup between two tables, whereas table A includes the product ID and table B includes the price. Is it possible to create a field in table A with a DLookup function on the product ID to get the product price from table B?
Whenever I try to type in the DLookup function, it does not calculate.
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Nov 30, 2012
Access 2010..One organization that we work with provides us with a block of numbers for each of the two types of contract products we order from them; we do order non-contract stuff from them also.The block of numbers are the same (i.e. 20000 to 30000 this year) for each of the two products. This means that each product can have the number 20000, for example. We call this the Tracking Number. If it is one of these products, we need to select the Contract Number.
For all other one off orders we have with them, we assign our own Tracking Number starting with 00001. This Tracking Number cannot duplicate unless it is one of the aforementioned two products.Both the Tracking Number and Contract Number are in the same table. The user selects the Contract Number from a form (connected to the Contract Number table that has all the details on the contract) and the Contract Number is populated in the same table that has the Tracking Number.Each order must have a Tracking Number (no null)..Not all orders need a Contract Number (null okay).The Tracking Number and Contract Number combination cannot duplicate.I tried setting the primary keys to more than one field in the table, but they cannot have null values.
If not... I have been working on Plan B.... an AfterUpdate on the form (either the form or a field... don't know yet) that looks at a query that only has results if there are duplicate values.
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Oct 8, 2013
I am trying to create a one-to-many relationship between these two tables. I want to be able to access the 3 fields on the [Processors] table within reports based on [AllItems]. [AllItems] is a listing of account activity where the [AccountNumber] repeats. I have every field set as the "Primary Key" on [AllItems] as that is the only way to avoid importing duplicate data. I am getting the error: "no unique index found for the referenced field of the primary table"
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Dec 1, 2006
I have 2 tables a project table and a project additions table, they have a relationship of 1 to many. When I run the query using both tables it only gives me the results of the project numbers that match in both fields. I need to have all information from both fields.
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Sep 19, 2014
I'm going to design an access database for an LPGas company. This company sells LPGas and LPGas cylinders.
Suppliers:
1.AlfaCylinder supplies it's cylinders(not the same kinds of cylinder as ME's)
2.MECylinder supplies it's cylinders(not the same kinds of cylinder as Alfa's)
3.PerfectGas Co. supplies it's LPGas.
Products :
This company sells cylinders and fills different kinds of cylinders with LPGas. for example, 11 kilogram LPGas in one kind and 25 kilogram LPGas in another kind and so on. Therefore, products are :
See the attachment
No problem with customers table. There are two kinds of customer. 1. Known customers 2. Unknown (everyday changing) customers. (there is a record for them in customer table named as Uncustomers, that at the end of the day, the sum of sale of this kind entered under this name.)
Problem is : As you see, there are some products with the same ID and same name or same type but different prices. How can I arrange the product table?
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Jun 30, 2006
OK, here's my delima (my head is spinning)
I have a standard Product table:
tblProducts
ProductID (PK)
ProductName
VendorName
Description
UnitPrice
InStock
Every Product has many Parts, but one Part may go to many Products
I will build this table:
tblProductParts
PartID (PK)
PartName
VendorName
Description
UnitPrice
InStock
How would I relate them together? I figure I need to use a Many to Many, with this table inbetween:
tblProductPartsList
ProductPartsListID (PK)
ProductID (FK to tblProducts)
PartID (FK to tblProductParts)
I feel like I'm missing something, can you let me know what you think???
THANKS!!!
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Nov 19, 2013
i am very new to access. Logic and method needed in order to create a data base that records weekly orders.
What types of tables do i need?
How can i input more than one product per order?
How do o group the information in a organized way?
Ideally i would like to Input the clients name the week of the order and then all the products etc that are ordered.
Then be able to see in an orders table each client that made an order and a subdatasheet (the small plus in the corner) that once clicked i see all the products that are in that order?
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Dec 11, 2014
You have a company that sells a small line of very exotic, non-perishable, chemicals to manufacturers.
You source these chemicals from around the world and resell them to the manufacturers.
The chemicals are not only very expensive, but may or may not be required for any given batch of product the manufacturer is producing.
The manufacturer does not know if the chemicals will be required, or not, until the last minute, so must have them immediately available for each batch.
You keep track of the process with a simple database that is built around a "Chemicals" database and a "Transactions" database. Which are linked by [Product Code]
Quite straight forward to this point.
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Now
You are seeking a way to make these chemicals accessible to manufacturers who cannot afford to buy them, just to have them sit around waiting for the day they are needed.
You set up a system where a manufacturer can purchase an "Option" on the chemicals whereby:
They pay you a certain amount of money for the right to hold the chemicals at their plant for a given period, denoted in weeks.
After the pre-determined period is over they must either:
Return the chemicals to you and you keep the money they paid for the option.
If they used the chemicals, pay you the pre-determined purchase price --you still keep what they paid for the option.
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My problem is incorporating the options into the database built around "Chemicals" and "Transactions," e,g,:
(1) The "Chemicals" table has fields such as [Product Code],[Quantity in Stock],[Cost],[Sales Price per Kilo]. The options require a unique set of fields such as [Product Being Optioned], [Expiry Date of Option],[Sales Price per Kilo -If Used],[Weekly Price for Option]
It doesn't seem correct to jam these into the same "Chemicals" table although I could be wrong.
(2) The same is true for the "Transactions" table, i.e., it now identifies the chemicals in each transaction using [Product Code].
To identify an option in a transaction one needs to use [Product Code] and [Expiration Date of Option]
(3) When a chemical is optioned the company has to track the fact that that quantity of it is not available for outright sale until the option expires
(4) A further problem exists even if I have figured out how to structure the tables.
Before selling a chemical one must create a record for that chemical in the "Chemicals" table--not a problem.
Options on the chemicals, however, do not exist until they are sold i.e., instead of using the "Chemicals" table to look up data for each transaction. Each transaction (to sell an option) has to create a record in the table being used to track the options
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Jul 25, 2014
I am attempting to create a database for managing nonconforming product internally.
Different stages will need to be assigned to an individual within the organisation, is it possible to have a lookup value in my table which draws its information from active directory?
All the users are obviously in here and managed already, I dont want to have to create and manage a separate list of users just for my database.
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Jul 23, 2013
How would i set up a table for a list,.. ie.
For each product there is a list of 5-10 things?
Product1.....Product2
a...............f
b...............g
c...............h
d...............i
e...............J
There can be new products added and new subs in the products. How can i build my table to correspond with data integrity?
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May 1, 2014
i have 4 supplier tables with identical field names but different databases in sql.I want to have them all in one table and only want the information for reference i do not want to edit any of the data.I need to create a new primary key number for the complete table. The data will need to be refreshed as the data comes from MMS Sage looking at company PLsuppliers.
I have tried a linked SQL union view- but this has no primary key.I need to keep the Primary key consistent as the data saved in other tables will use this field.The overall goal is creating a Purchase order system and this list will be my complete supplier list.
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Oct 11, 2007
Am creating a Product-Sales Database, and I would like the corresponding Sales made in the Sale Table to be automatically deducted or to be reflected in the Product Table. The product table contains all my stock and has a relationship with the Sales Table. The Sale Table does not necessarily include the Stock. How can I create possibly a Sales Form that will be used as an entry point for all the products (stock) sold and automatically register the sold products in the Sales Table and at the same time make the required adjustments in the Products Table.
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Feb 1, 2008
Hi,
I need to create a table with 2 sets of different information both referring to job types. the problem is that i need the autonumber which created the job number to scale together. so both tables have a primary key of "job number" and i want the autonumber to only ever use 1 number in both tables.
e.g.
job type 1 - autonumbers - 1,2,3,4,6,7,9,10
job type 2 - autonumbers - 5,8,11,12
is there anyway of achieving this?
Any help greatly appreciated
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Aug 20, 2013
I have mapped everything out and built it in Access (but haven't entered any data yet). My question relates to structure. The data is based on artifacts, each piece is recorded with an automatically generated primary key in the main table. There are a number of features (type, decoration etc.) that are documented in related tables (included in/linked to the main table with foreign keys). Aside from these (the features I will query on), each piece has a number of characteristics to be recorded (size, colour etc.). Because of form/table size, I have broken the information into three tables (a main table with ID details, a second with Sizing and Dimensions, and a third with Materials etc.).
My question is: Can the main ID primary key from the main ID table also be used as the primary key in the 2 other basic information tables, with these 2 linked to the main table in one-to-one relationships (so it's an auto-number in the main table and an integer in the other two). This to me would be much easier to navigate than to have one long giant table with all these basic details.
I have created a main data entry form with a "navigation form". 5 tabs/pages. Tab/Page 1 = main ID. 2 and 3 are the two broken apart tables mentioned above. 4 and 5 are forms based on related tables that have their own subforms included. Both 4 and 5 are based on tables in which the main ID primary key is entered as a foreign key (in one-to-many relationships with the main table). Since this was done with a navigation form (instead of adding each of the 4 as subforms), will it still allow me to enter all relevant details for one piece into each tab/page, and save it all together automatically (whenever I enter a new piece into the main ID form)? Will the primary key be automatically generated throughout, or do I have to enter it manually in each tab/page?
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Mar 13, 2014
My Access 2010 skill level is intermediate.I have a table with 4 fields.
EmployeeID (Primary Key)
LastName
FirstName
SupervisorID
The problem I have is that in the Supervisor field, it identifies the supervisor by his/her EmployeeID. I would like to create a query or merge tables so that the SupervisorID can look for a matching value in the EmployeeID field and return the last name/first name.
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Aug 28, 2013
I am importing data from excel and I want to put a primary key on a column but it doesnt let me saying "primary key cant contain a Null value", coz I have a "NO" or "O" value. But i dont understand why is it a problem as I have specified the field as text not number.Also is it necessary for the table to have a key ?
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Jun 2, 2013
Composite Primary Key in Ms Access 2010. I shall try and explain my tables in detail. So my first table is "Client Database" where the field "Buyer" is primary key. This is connected to my next table "Project Database" which has fields such as Work Order #, PO #, PO Date , Buyer etc where Work Order # is the primary key. Finally "Projects Database" is connected to Order information. Now the problem is until now, I always had 1 PO # for each Work Order #. However now I am facing a situation where my client has clubbed multiple PO #'s for the same Work Order #. I need to trigger the Primary Key Violation only if both the Work Order # and the PO # are the same.
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Aug 1, 2005
I have constructed a DB for work to record accidents, however I am running into problems. On each form I have a button that Saves the data closes the current form and opens the next form, depending on what data was entered. I have this ruuning fine using this code,
Private Sub SaveRecord_Click()
Dim NextForm As String
If Me.Status = "Pupil / Child" Then
NextForm = "StudentDetail"
Else
NextForm = "EmployerDetails"
End If
DoCmd.save
DoCmd.Close
DoCmd.OpenForm NextForm
End Sub
Private Sub SaveRecord_DblClick(Cancel As Integer)
Dim NextForm As String
If Me.Status = "Pupil / Child" Then
NextForm = "StudentDetail"
Else
NextForm = "EmployerDetails"
End If
DoCmd.save
DoCmd.Close
DoCmd.OpenForm NextForm
End Sub
The primary key of this form is "PersonKey" and the two forms taht could open, each have"PErsonKey" as a foriegn key. However the key does not get brought across into the next form and the save function does not appear to work on all forms... :confused:
I put another button on this form using the control button wizard, and it gave me this code,
Private Sub Command23_Click()
On Error GoTo Err_Command23_Click
DoCmd.DoMenuItem acFormBar, acRecordsMenu, acSaveRecord, , acMenuVer70
Exit_Command23_Click:
Exit Sub
Err_Command23_Click:
MsgBox Err.Description
Resume Exit_Command23_Click
End Sub
However when I run this from the form, it tells me that the "PersonKey" field needs a value.... :confused:
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