Queries :: Adding Sequential Numbers To Generate A Unique Reference Number

Oct 5, 2013

Basically what I have is a database for tracking/logging parcels that arrive to the office. I want to be able to generate a reference number based on the date of arrival: i.e. the reference number should be ddmmyy### where ### is a sequential number. I know that I could just use the primary key's autonumber, for the sequential number but if I do this then the sequence will not restart at 1 on each date and because we receive a lot of parcels the reference number will grow to be too big to print out on the collection slips in just a few months.

two tables (one with the date and staff on duty that day and the other with the parcel's info') with a one to many relationship

I also have a query (Named: FullLog) that picks up the following data from the tables:

Name - Description - Size - TrackingInfo' - Staff - DateReceived - Count

The field named Count is a DCount function that I used to find out the number of times each date is repeated. This is the Expression that I used:

Count: DCount("*","FullLog","DateReceived = " & [DateReceived]) [Note that DateReceived is first converted into a string using CStr()]

This is as far as I have been able to get, I have been looking for weeks for a solution to this problem but I have yet to find one. I don't even know if the DCount function is the correct way of doing it, I did read somewhere that this produces a very slow query.

Effectively what I want to be able to get is something of that resembles the following

DateReceived - ReferenceNo

051013 051013001
051013 051013002
051013 051013003
061013 061013001
061013 061013002
071013 071013001
071013 071013002
071013 071013003
071013 071013004
071013 071013005
081013 081013001
081013 081013002
091013 091013001
101013 101013001

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General :: Creating Unique Sequential / Reference Number Every Time Report Is Printed

Feb 15, 2013

I have a rental database and I print several contacts for leases etc. what I want to do is have a unique reference number or something inserted to the report every time that it's printed. What I am trying to achieve is to keep track of which tenant corresponds to the report (Lease) printed by using reference number.

There is a seperate form which holds the tenants details and I would like to have a field on that form which would show the same reference number as the report so I can track which report was printed for who.

Whats the best/easiest way to accomplish this?

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Forms :: Generate A Unique Reference Number Record Wise

Jun 10, 2015

Need to generate a unique reference number each record wise while data entering by a form. How to do this by using a command button ? After entering all fields related to the record, when click on the command button, unique reference number for that record need to be generated and save with all other data of the records. in a later event, need to recall the record by using this reference number and also need to make relation ship with some other table by using the reference number.

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Queries :: How To Add Sequential Dates With Reference Number With Append Query

Apr 7, 2015

I want to populate a table with field:date and field ref nr.(7 fixed ProductID's)

But only weekday and to 3 years from now. (every weekday)


field:ID | date | fixed.ref.nr
1 | 7/4/2015 | 1001
2 | 8/4/2015 | 1002
3 | 9/4/2015 | 1003
4 | 10/4/2015 | 1004
5 | 13/4/2015 | 1005
6 | 14/4/2015 | 1006
7 | 15/4/2015 | 1007
8 | 16/4/2015 | 1001
9 | 17/4/2015 | 1002
10 | 18/4/2015 | 1003
.... (ID field is autonumber field and not important..)

How to do this with a append query or code?

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Unique Sequential Numbers

Nov 22, 2004


I have a field called "Project #" that needs to generate a unique number each time a command button is clicked. For example, when the button is clicked the blank "Project #" field is filled in with "653001". After the "Project #" field is filled in the button also runs a code to create a report exported into Excel. This report will only have the records with the Project Number of "653001".
Then, when more records are added and it's the end of the next week, the button is clicked again and the "new" blank "Project #" fields will be filled with the next Project number which would be "643002". A report will again be created but now with only the records with the Project number of "643002".
The first three characters will always be the same for the Project Number "653" but the last three will increase whenever the button is clicked to update any new records that have a blank "Project #". So, it should look like: 653001, 653002, 653003, 653004, etc.

I know it sounds confusing but I hope someone can help.


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Unique Reference Numbers?

Jul 4, 2005

Hey guys,

Hope you can help with this one. I have a form called "frmPatientID", based on a query "qryPatientID" and table "tblPatientID".

I have a field called HospitalNo that is set to "text" and contains the patient's unique hosptal number of 123456, 008777, etc.

However, although the above numbers have to be unique, if the patient is out of the area they get a number of 000000 and this is not unique (i.e. more than one patient can be out of the hospitals area).

So how do I get the database to control this via a rule? (As in everything NOT 000000 needs to be unique). Is it on the form on an AfterUpddate or can I do it in the table?

Many thanks,


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How To Generate Unique Part Numbers In Access?

Nov 19, 2007

We are trying to use Access to generate, job, task and craft numbers in Access. Job and task will be unique. Craft numbers can use the auto number function. We need the numbers to be 4 digits for Job and Task.

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Jul 29, 2014

I have a set of transactions with a Unique ID field and a date. I want to add a field based that gives me the sequence of events for each Unique ID in order of when it happened.

For example, if customer X has 6 transactions, the sequence field would have a number (1-6) in each record that corresponds to the order in which those transactions occurred. The first transaction would have the number 1, the second would have the number 2 and so on.

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Making Dispatch Notes - Generate Reference Number Using AutoNumber

Aug 3, 2011

I have made a database for a repair workshop, where you book in and book out repairs.

I am having a problem as we need to make a Dispatch Note daily with a list of all booked out repairs for that day and for that branch.

This is all working so far. However, we need to generate a reference number using AutoNumber (Wshop0001, Wshop0002, etc) and keep a record of this - how can this be done with keeping ONE reference number per day per branch?

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Queries :: Missing Sequential Numbers

Feb 25, 2014

I have a list of what should be sequentaia numbers, but I am finding instances were a number seems to be missing..Is there a way to query the whole dataset and find all missing instances without having to trawl he list?

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Modules & VBA :: Adding Additional Sequential Number To Avoid Duplicate Value

Jun 10, 2013

I am not sure if it is possible to implement this but I would like your input. We get request from client via a web based form which contains a unique ID number called RDEFNumber. When we process the request internally, we use this number to identify the request throughout the process. The request from client contains processing of multiple files which are transmitted to us in different times of the day or days.

Every time we receive a file, an email is sent to the IT team with all the information about the file. We use an internal database to send the email to the IT team and use the RDEFNumber as the identifier in the subject line. What I am trying to do is to add an additional number at the end of the RDEFNumber automatically to differentiate the subject line.

For example, we take "1791" as a RDEFNumber. For the first time we enter 1791 to the database RDEFNumber field, it should check the table "tblRDEF" (record source) for duplicate value. If no Duplicate exists, it should keep the number as same. When we get the next file for processing with the same 1791 number and enter this number in the RDEFNumber field, it should automatically change it to "1791-1" since "1791" already exists in the database. When we get the next file, the number should change to "1791-2" and then "1791-3" and on.

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Modules & VBA :: Create Unique Reference Number Based On Field Values For Record

Jun 18, 2015

I want Access to automatically generate a reference number for a record based on the values in on two other fields for a given record using a form.

The first field is called Operation Number.

The second is Bag Number.

The reference number needs to be in this format: 19C.3.1

Where 19C is the Operation Number, 3 is the bag number, and 1 is automatically generated. Additionally I need the last number --the automatically generated one--to go back to 1 if with each new bag number.

This is kind of like library catalog numbers. Not sure how to do this.

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Queries :: DCount To Add Sequential Numbers By Group Only Works In Some Instances

Jun 24, 2014

I have a large table (>1M rows), and I have searched various forums for a way to add sequential numbers by Group. The query I have works, but since it's a large table, I broke it up, and did everything what starts with A-E, the F-Q, etc, and appended to a new table.

This query works, on anything that starts with the letter D or later... A-C will not work.

Basically, the source table is a list of all combinations of Part_ID and UPC_Code. I am trying to number the UPC_Code field, per Part_ID. There is an AutoNumber field (ID) that is in the table as well.

This is the SQL. Query1 is the query that is being executed, so the DCount is within this same query, if that makes sense.

SELECT tbl_upc.ID, tbl_upc.Part_ID, tbl_upc.upc_code, DCount("[Part_ID]","Query1","[Part_ID] = '" & [Part_ID] & "'")-DCount("[Part_ID]","Query1","[Part_ID] = '" & [Part_ID] & "' AND [ID] > " & [ID]) AS Seq_Num
FROM tbl_upc
GROUP BY tbl_upc.ID, tbl_upc.Part_ID, tbl_upc.upc_code
ORDER BY tbl_upc.ID;

The results of this query are that all Part_IDs that start with A through C produces a Seq_Num of 0, but any that start with a "D" or later number correctly - in other words, the first instance of a particular Part_ID is 1, then 2, and so on up to the total count of that Part_ID.

Running Access 2013.

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Queries :: Unable To Find Missing Sequential Numbers In A Text Field

May 5, 2013

I am trying to create a query to find missing sequential numbers in a text field. I am using this specific field as a case number which is designated as two letters, the # sign, two digits indicating the year, a dash, and then a four digit number; For Example: AB#13-1234.

The reason for this query is to tell the user of this database that a specific case number has yet to be entered and needs to be. The case numbers are unique and will never be referenced more than once.

My table name is "MainDataTbl" and the field i'm trying to find the missing case numbers is titled "CaseNumber".

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Queries :: Query To Add Sequential Number To Table

Dec 16, 2013

We have a large database table [PRODUCT] with the following fields PROPNUM and P_Date and GAS. We need to normalize the GAS field to the first month of production based on P_Date and sequential months following to average the data. We believe the easiest way is to create a sequential number for each Key PROPNUM that represents the first month of GAS the second month of GAS etc.

We have followed several of the posts on how to sequentially number records, but are struggling to get them to work.The latest effort was to use the make a table query creating an expression with the following.

DCount("*","PRODUCT","[PROPNUM]=" & [PROPNUM] & " AND[P_DATE]<=#" & Format([P_DATE],"mm/dd/yyyy") & "#")

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Queries :: How To Remove Duplicates On Reference Number Field

Aug 28, 2013

I have a query which gets information from 2x tables where the I'd on one table is the reference number on the second table.I would like to know how I can remove the duplicates on my reference number field?

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Assigning Sequential Numbers.

Feb 12, 2007

Yo there - thought Id fire a question out regardin numbering:

I have a table players and a table team.

Players sign up to teams, and I have a report which shows each team, and the players underneath.

Player 1
Player 2

Now, after all the players are assigned to a team, I want to assign each player within each team a random number, sequential.

So when I run the report, it will be like:

Team A
1. Player 1
2. Player 2

Team B
1. Player 1
2. Player 2

Any pointers!?

Cheeas -

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Reports :: Sequential Numbers For Records

Mar 10, 2015

Need a sequential number on report. Have an unbound text box and set it to list a running sum over group. The twist is that I'd like to have it start with an assigned starting number [Starting Number] and then add 1 to each subsequent record. It works for the first record but then the next record is last value + [Starting Number]. Basically it is a check run where I would list the starting number and the report would do the rest.

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Auto Enter Sequential Numbers?

Apr 2, 2012

Ineed to track Trailer security seals that are sequentially numbered with 8 digit numbers...They are physical seals and no efile with the numbers to upload into Access...is there a way I can put in a range and Access will populate the rest in a table?

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Generate Random Reference No. For A Record

Feb 24, 2006

is there anyway to have the database autogenerate a random 8 digit reference number for each record.. this of course must be unique..

maybe something like

7C7CYU99, or HJUHU889... im sure you get the picture.

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How To Isolate Records Based On Sequential Numbers

Dec 27, 2011

I am trying to create a database that will have records that include dates and a number assigned to that date. ex., the 3rd day of the quarter will be numbered 3 and the 43rd day numbered 43. I will do this via table.

After running a query that will identify a subset of records, I only want to see those records that are part of a 10-day or greater span. There could be multiple 10-day+ spans over a given quarter.

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Entering Multiple Identical Orders With Sequential Numbers

Jul 12, 2006

Hello all.

I need to be able to enter a number of orders that would all be the same, but they will have different order numbers, in sequence.

I'd like to enter all the information in a form, then have "First Order Number" and "How Many?" fields, and have the system grab the detail, apply it to the order number entered, create a record in the table, then reapply the detail to the next sequential number, repeating the process until it has created the number of orders shown in the "How Many?" field.

I am at a total loss here, and any help would be GREATLY APPRECIATED!!



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Modules & VBA :: Database For Quotations - Modifying Sequential Numbers

May 29, 2015

I have a database for quotations. The database automatically generates a new quotation number every time a new quote is started. This works great, and I am very happy. My next task is to allow the employee to pull up a quote that has already been generated and edit it. I would like for the new quotation process to be followed step by step, but with all of the information already filled in.

This will allow for any edits that need to be made, and keep from having to re-enter a lot of data. I want one thing to change, which is the QuotationNumber. It is currently formatted by "yyyymmdd-01" for the first quote generated on that day. I want the edited quote to have a QuotationNumber formatted by "yyyymmdd-01a". For every edit that letter change going through the alphabet in order. How would this new QuotationNumber code differ from that of the Other?


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General :: Auto Generate Unique Customer IDs

Aug 16, 2012

I am in the process of creating a DB for customer names, job numbers and document numbers, but have run into a problem right from the start.We are using a naming convention of the first 3 letters of the customer name, and 3 numbers after that. Eg. Customer names Allstar, Allpro would be All001 and All002 respectively.

The job numbers would then be sequential numbers, for each customer. So the first job for Allstar would be All001-001 and so on.How do I get Access to check/create the customer ID's? And then how do I get Access to check for the next job number for each customer?I was able to do this in Excel with the following;

=LEFT(B12,3)&COUNTIF($B$3:B12,LEFT(B12,3)&"*") in one cell
=IF(B12="","",LEFT(D12,3)&TEXT(RIGHT(D12,1),"00")) in another to add the preceding zero's.
Obviosuly , Excel is not the best way of tracking customers, jobs, documents etc.

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Sep 6, 2013

I am using a API to generate a random / unique directory. This an API form a 32-bits environment.

I know that you can still use it when declaring it with PtrSafe

This is the code I am using:

Option Compare Database
Private Declare Function GetTempPath Lib "kernel32" Alias "GetTempPathA" (ByVal nBufferLength As Long, ByVal lpBuffer As String) As Long
Private Declare Function GetTempFileName Lib "kernel32" Alias "GetTempFileNameA" (ByVal lpszPath As String, ByVal lpPrefixString As String, ByVal wUnique As Long, ByVal lpTempFileName As String) As Long

[Code] .....

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Unique Reference Based On PK And User Selection

Nov 10, 2005


I am trying to create a unique reference number that includes the default autonumber and another count based on what the user selects from a dropdown (B).

For example, the reference might look something like these examples:




I will eventually create a unique reference by combining all the data (ie: 004-Drink-Latte-1, 010-Drink-Espresso-3) but it will allow me to number each type of drink in ascending order irrespective of the autonumber (which is the primary key.)

I would appreciate any advice on how to approach this! I am baffled!




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