Multiple Field Unique Information Db?
Aug 14, 2006
Hi, I'm crating this db:
Two tables, in one there are Items and services, in the other purchases.
1st table: ID - autonumber primary key
Product Name - Text
Quantity - Number
Barcode - Text
2ndt table: ID - autonumber primary key
Product Name - Text
Quantity - Number
Barcode - Text
Client - Text
Puchase Date - Date
How can I enter data to my 2nd table using unique fields (barcode, Product name actually ID in 1st table?) Problem Is Access alows only 1 unique key field in table and that is undertandable. Is there any way out in my situation.
barcode will be entered using barcode scanner it can be only text field but information like product name must fill in automatically, Product name must be drop down box if one wan't to select it manually then barcode should fill in automatically.
Please Attach your DB if you have time to look into this issue.
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Apr 16, 2012
I have a database in which we are trying to have a field "Headcount" automatically fill with the correct value based on information in multiple fields. The "Headcount" field will be based on about 6 or 7 rules. Most of the rules i can figure out, but im having trouble figuring out what the best way would be to search for a single individual's projects when they are on more than one project at a time. I thought about using a counter of sorts to count how many projects someone was one, but how do I pick them out of the entire table once i have found out the number of projects? Would a for loop work best or just many if statements?
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Jun 12, 2013
Currently am trying to get together two separate Access Databases into one, which is the way it was always supposed to be.
Basically, this person accidentally created a duplicate of the database in question, and has been updating both independently at different times, meaning that whilst a lot of the database information is duplicate, there are some instances where each separate database copy has unique information on both existing contacts, and new unique contacts.
The database itself is about schools, and has tables concerning information such as calls made, contact details, school details, etc etc. Obviously all of this needs putting back together into one set of tables in one file.
I've been messing around with append and import functions, but am having issues with duplicate ID fields with append queries, and a general lack of direction on the best way to go about fixing this problem, if its even possible.
Here's an example of what i've been trying to do:
INSERT INTO Contacts ( ContactID, ContactTitle, Name, Surname, JobTitle, TelephoneSTD, Telephone, FaxSTD, Fax, Locale, SubjectKeyword, SchoolID, Reply received] )
SELECT [1Contacts].*, [1Contacts].ContactID, [1Contacts].ContactTitle, [1Contacts].Name, [1Contacts].Surname, [1Contacts].JobTitle, [1Contacts].TelephoneSTD, [1Contacts].Telephone, [1Contacts].FaxSTD, [1Contacts].Fax, [1Contacts].Locale, [1Contacts].SubjectKeyword, [1Contacts].SchoolID, [1Contacts].[Reply received]
FROM 1Contacts;
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Jul 23, 2015
So i have a access database with a main field that we can call vendor # (LIFNR) and another called Company code (BUKRS). There are multiple company codes under a single vendor #. Example:
LIFNR
BUKRS
0000010535
1010
0000010535
5060
0000010535
5610
0000010536
1010
0000010536
5060
0000010536
5610
What I am trying to do is create a 3rd column where i can have a unique row for each of these fields without it repeating. There is no unique identifier in this table and that is what i am trying to achieve.
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Aug 14, 2013
I am working on a database of biological samples and test data. A problem is that many times the same subject has multiple ID's. For example, one subject may have the ID "ID234" but they previously had the ID "Sub84" or something like that. I want to be able to have 3 or 4 fields that have ID's for a subject, and I don't want a single one of them to be repeated. So I have column a, b, c, and d, and I don't want to have one record to have the same ID in column a as another record has in column d and so on. All I have been seeing is a way to make sure all of a, b, c, and d are unique combinations, but I want none of the fields to be repeated.
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Jun 22, 2005
Okay, anyone have an idea what's happening here?
It seems like it -should- work to me but it's not which leaves me to wonder where I'm missing something. :confused:
Any help'd be appreciated. :D
Thanks,
~Chad
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Mar 28, 2015
I am trying to make a basic database system to track orders and contacts and the like for my small business. I have created a series of databases that look pretty standard, something like this example:
I want to create a form that I will open and complete every time I process an order. I want to fill out both the customer info and the order details at one time.
Assuming that the "CustomerID" in the "Customers" table is set to Autonumber in order to create a unique ID, how do I keep from creating multiple new "customers" every time I enter a new order regardless of whether or not that customer already has an ID number from a prior order?
It seems that I would need to make some sort of Macro that would say something like, if the "CompanyName" entered is already listed in the 'Customer' table, use the existing CustomerID, if it is not listed in the Customer table create a new CustomerID.
Should I be looking into Macros, and if so should the macro be built into the form or the database?
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Jun 20, 2014
I have a large table with information about different cars, called "Car Metadata". In this, each car has a unique identifier ("Car Code"), the make ("Manufacturer Name") and the model ("Short Model").
What I want to do is create a form with dropdown menus.I have a first combo box with all the makes in the Metadata table.
What I am having trouble with is that I want a second combo box underneath which would only show the models which correspond to the make selected in the first box.E.g. someone could select Ford in the top box and the second box would only show Fiesta, Focus etc.
Once it has done that I want it to be able to write the Car Codes for the records which match up to the make & model selected to a new table. Just to complicate things further, there can be multiple records with the same make and model but different Codes, I want all these multiple codes to be written to the final table.
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May 29, 2015
I already have created & run an Access database for around 12 users. I now am looking to create a database that can have at least 30 users. Each one with a unique user ID & password (Using a security file ".mdw") Users log into a front end on a network environment. Now...My question...Is 30 to large of a user base for Access in a network environment??
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Nov 22, 2013
I have create 6 tables for library books (which are differentiated by categories). Each table has different category and unique ID name e.g. F1, F2, F3..(for table 1), G1, G2, G3..(for table 2) and so on. How do I combine all those tables into 1 table for easy search for a book rather than open up each table? Tried append query but its ID run as 1, 2, 3... , not F1, F2, F3 and it only append 1 table, not the rest.
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Jul 22, 2013
The database needs to have columns for 17 individual connectors. These fields are populated from another table containing all of the possible connectors that could be used and a description of them. I need to set up a query that contains the 17 connector fields as well a field with the description of each connector. Is it possible to have this query auto populate the description fields from the table that contains the connectors. I have attached a picture below.... Each pin has a label that has to be manually filled and a pin name that has to be chosen from another table. I want to have the pin description fields auto populate to match the selected pin names.
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Apr 7, 2015
I have now been asked to create 'something' (form, query, whatever) that will:
Allow the engineers to change the date in multiple tables for parts; and,Change (in)activity status information in those tables; and,Delete the same obsolete part(s) from two tables and add that information (one entry) into another table.
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Mar 27, 2013
I tried and failed to get this to work using a multiselect listbox..I have a list of departments in tblFunctionalArea...My main table is tblStatic..I want to be able to for each record select multiple departments affected by a record and store them in the tblStatic.After looking around i couldn't find many people successfully maanging to store listbox values in a table...
I decided to create 5 fields in tblStatic and in my form create multiple combo boxes cboFunctionalArea1, cboFunctionalArea2 etc etc which are bound to these fields.I want to be able to ensure the list for any combo box requeries and takes out any selection in the other boxes.
I have this working in a strict cascade fashion i.e. in cbo1 all dept's visible, in cbo2 it takes off whatever was selected in cbo1 etc. But if someone then jumps back and deletes the content of cbo3 then the whole thing breaks or if they amend in the wrong order it breaks
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May 17, 2005
is there anyway you can create one form which updates all the information in multiple tables. I need to create one of these to make the navigation of the database more easy, so if anybody could help me it would be much appreciated.
thanks.
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May 13, 2013
I have a couple of fields in Access. To explain I will show here the fields I have and their datatype
ID: Autonummer
Amendment: Text
Basis info: Yes/No
Sex: Yes/No
Period: Yes/No
Salary:Yes/No
Shift:Yes/No
Now, in the amendment field, I've inserted a combo box, with 3 options in it. Let's say option A,B and C...The thing I want access to do, is, when option C is selected, I want fields Period, Salary and Shift to be automatically "Yes".But if option A or B is selected, the the user must choose what the other fields are going to be either Yes or No
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Apr 14, 2008
Is there a way to format the random auto number to just be 4 digits long? Or does anyone know how I can programatically create an auto unique field? This number has to be stamped on a key so it can't be longer than 4 characters but it has to be unique. Any help would be greatly appreciated.
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Apr 18, 2008
Hi all
I have been discussing DB table design with a colleague and we have a difference of opinion with regards to primary key ID fields .
My argument is that they should not be actual data but separate, that is an unique record identifier typically an autonumber type. I'm sure I picked this up from reading Access manuals.
My colleague's argument is: if the data contains a unique field, e.g. a unique project number in a table of projects (no project should be listed twice) then use the project number as the primary key. Her second argument is the byte size of an autonumber is 8 bytes whereas you can use a smaller data type to hold the project number thus saving space.
My opinion is that her first reason is flawed as it assumes no change to how projects are identified and that her second argument is irrelevant in today's Gb and Tb systems.
Without trawling through my Access books and the internet for opinions, I would like to know what your opinions are on this subject. I would appreciate good reasons which ever side of the fence you are on. I'm quite willing to be proved wrong and change my ways.
Cheers
Imperator
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Nov 5, 2014
I have a form (form1) that will populate with records (table1) based on key fields of "Project Number" and at time-points we will update part of the record, and then we create a word document detailing the updates with a couple of other bits of information not in original record.
Basically I want it to go from the original form (form1) into another form (form2) (via a command button) taking the key field of "Project Number" where it will ask the bits of information that we don't need have already and the contact person.
I have got this to store in a different table (table2) using a key field of just "ID" from the original records (table1). A list of contact people are in a separate table (table3) using a key field of "contact name" which will include other details for them such as address and phone number.
So from "form2" I would like to produce a report that contains information form "table1" based on the "Project Number" and "table2" based on "ID" as just been generated and "table 3" which is based on "contact name".
So I want to pull information form the records based on the certain key fields but struggling for it to pull it successfully...
Got relationships between:
"contact name" fields in both "table2" and "table3"
"project number" fields in both "table1" and table2"
In a query for the report I have all the appropriate fields, but only have the "contact name" and "project number" from "table2" is this right? or do I need both in?
Or would it be easier to draw all this information into "form2" but don't really want to select that many drop down boxes or would it be able to pull it from the "contact name" and "project number" boxes????
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Oct 18, 2005
Wotcha, folks.
I'm in a right pickle at work at the moment.
For the life of me I can't make an Access table have more than 1 unique field.
For example, I want a company's name and postcode to be treated as unique ONLY when they appear together.
So I can have many companies with the same name and different postcodes, but no doubles of the same company name and same postcode.
Does this make sense? How do I trigger a unique property when two certain fields match a previous entry.
I've searched on the net and in these forums, but i can't find help. Maybe it's the way I'm wording it.
So, sorry if this is incredibly straight forward, and I'm being a noob, but this is rather urgent.
Many thanks.
Jake.
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Feb 20, 2007
Hi all,
I have been trying to incorporate an access DB in to our business for sometime, but keep coming up against the same issue. We have a numbering system for the jobs we do, which was invented many years ago and cannot be changed. It is in the format "month/Year/unique 3 digits" the 3 digits are sequential, i.e. 02/07/123 ... 02/07/124... etc. I will need this all in one field.
So far I have managed to get the month and year (easy enough) with the expression "=Month(Now()) & "/" & Right(Year(Now()),2) & "/"" Now I need to get the sequential 3 digits at the end, however, I am not sure of any way to do this and it has stumped many people. I have a field that is autonumbered, but don't seem to be able to add this to the end of the expression.
If any of you have any suggestions I would be greatful - bear in mind I am only a begginer at this.
Thanks in advance.
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Jun 8, 2006
Hi,
I have two tables:
tblOutTransmittals and tblTransmittedDocs. A document is sent with a transmittal document which the recipient signs to confirm that they received it. I've created a query that will show all the drawings/documents and the information about the associated transmittals.
What I want to do is show display records with a unique CCNum and preferably the one with the most recent TransmittalDate.
I've attached a screenshot and here is the sql:
SELECT tblOutTransmittals.CCNum, tblTransmittedDocs.DrawingNum, tblTransmittedDocs.RevisionNum,tblOutTransmittals. *
FROM tblOutTransmittals INNER JOIN tblTransmittedDocs ON tblOutTransmittals.DocID = tblTransmittedDocs.outTransmittalID
WHERE tblTransmittedDocs.DrawingNum="32-35554"
I've tried it using the DISTINCT keyword but that would only work if I'm returning one field. I tried Group By as well but couldn't get that to work.
Thank you,
RCurtin
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Jan 18, 2005
Hi all,
I'm fairly amateurish on Access so be gentle.
I need to ask Access to calculate a total number of records but only includes duplicate entries once.
For example: If the field entries were A, A, A, B, B, C, C, D
It would return a total of 4 (counting A, B, C & D only once).
Can anyone advise on how I can do this? My only alternative is to print the database out and cross out duplicates. Not the most interesting way to spend my afternoon.
Thanks!
Stu.
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Nov 12, 2012
I have a table as followed;
EmployeeID: PK
FirstName
MInitial
LastName
Company:FK
Department:FK
What I want to do is create a new field that automatically populates based on what is entered into the above fields.
Essentially creating a single field with unique data generated by multiple fields.
For Example if I entered the following informaiton:
EmployeeID: 1 (AutoNumber)
FirstName: John
MInitial: P
LastName: Doe
Company: FederalGov
Department:Test
The new field can be generated as followed: JohnPDoeFederalgovTest
What i plan on doing with this is making this "generated" field an index so no new duplicated records can be added.
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Dec 13, 2013
I have downloaded a contact template from the internet ready to go. There are few things I need to get rid off and make changes to.
One of the most improtant thing is making one of the field unique. For some reason, i can get to the design view. I open navigation panel and right click on the table, there is no such thing call design view on the menu.
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Oct 31, 2013
I have a material usage table that tracks material going into products...Oftentimes the same material will be used and multiple records will contain that material.
I want my query to return only records with unique material used. I'm clicking the "Unique Values" and "Unique Records" property setting but its not working.
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Feb 8, 2015
I have 4 fields in a table that when combined must be unique.I know you can setup multiple fields as a combined key, but I don't really need these to be the key (I will auto number a unique key). I just need to make sure the same combination of codes is not entered twice.Do I set this up as multiple key fields anyway?
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