Random Number Generation
Sep 25, 2006
Hello,
I have this query:
SELECT UNIT.Code, Rnd() AS Expr1
FROM UNIT;
The problem is that in the Expr1 field all the numbers are the same. I would like to have random numbers that are different for each record (generate new random number for each record)
Thanks for your help
Cheers
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Sep 11, 2006
Hi guys, im new to all this so take it easy
Im trying to create a document register in Access 97 to create and track document numbers, for this i want to assign a 6 number unique id to each record starting at 000001 going up in order to 999999 which will form part of a unique docuement number ...i know this may be a really easy thing to do but can anyone tell me how?
Cheers
Dave
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Oct 4, 2006
Hi Guys
Dont quite know if this is the right place to post this but here goes any way
Im creating a database where customers can submit a question, it centres around a form where a user enters various information such as initials, telephone number, and various selections from from down boxes.
I have placed a button at the bottom that saves the record, what i want is when that button is pressed for a box to pop up giving the user a unique reference number which is made up of the information they have entered, such as
FIRSTINITIAL-LASTINITIAL-DATE-INCREMENTALNUMBER
I want this number then to be stored along with the record so it can be searched for by this number.
I have done searches for similar questions but cant find one that matches what i want to do
Thanks in advance
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May 5, 2005
:confused:
Hi,
I would like how I can generate automatic Id in a table with following structure. billid number, billdate date& time.
I don't like to use AutoNumber built in feature.
Regards.
Soumen.
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Jul 29, 2013
I am trying to automate the generation of a reference number incrementally by 1.
In my main table (tblBooking) I have my primary key field autBookingID which is an autonumber.
In another table (tblBookingStops) I have the primary key as autBookingStopsID as the autonumber and then numBookingID linked to the above table (tblBooking). I have another field called txtGPSID so this is the number I would like to automate.
So for example:
tblBooking:
autBookingID: 1234
tblBookingStops:
[Code]....
I want to put the code that would populate the txtGPSID on a form in datasheet view and would like to put the code on the load event.
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Nov 13, 2012
I want to input a number value in [field1], then i want [field2] to generate an auto number BUT i want it to increase based on [field1] THEN combine them into [field3] creating a unique SKU for every item I have.
EXAMPLE1: I will type in [field1]: "001234". [field2]will enter "000001" because it is the first occurrence of "001234" in [field1]. [Field3] will then have a value of "001234-00001"
EXAMPLE2: I will type in [field1]: "002468". [field2]will enter "000001" because it is the first occurrence of "002468" in [field1]. [Field3] will then have a value of "002468-00001"
EXAMPLE3: I will type in [field1]: "001234". [field2]will enter "000002" because it is the second occurrence of "001234" in [field1]. [Field3] will then have a value of "001234-00002"
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Mar 17, 2014
I am working on a form and need it to be able to generate a random number to use as an invoice number. The only parameters i need it to meet is that it is at least 5 digits in length. I was hoping i could use a button to make the number generate in a separate box.
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Jul 8, 2006
Quick question, how do I have access generate a random number between 1 and 8? I want it to generate either a 1,2,3,4,5,6,7, or 8. (no zero, no nine)
Expr1: Fix(Rnd(8-1)*10*Rnd()) is what I have been using, but this always generates the number 2? I do want the decimals to be rounded to the nearest integer, thus I have Fix.
If someone could please help me, it would be greatly appreciated! Thanks in advance.
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Feb 11, 2006
How can I make random auto numbers 8 digits in length (including leading zeros) and always positive?
Thank you
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Feb 13, 2006
Ok, I apologize in advance for my lack of knowledge but I need Help!!
I have a database form that has a O_Num field that populates the Order table. Now the client wants the order number to be a randomly generated number. this is the primary key and I cant use autonum because there is another field in the table that is autonum.
I have tried to use the following in the OnClick field, doesnt work
=Int((1000 * Rnd()) + 1)
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Mar 5, 2005
Hello i've got to make a project for school and thought I would make a rental shop like Blockbuster. But I need to create a number that will be assigned to each customer when they become a member. So I need to generate a random number that uses a certain amount of digits (I was thinking about 8) and that won't be used again can you help.
rn2j
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Jan 30, 2005
Hi All,
I'm designing this database, in which, I have to give each record a unique random (or sequance) number of 5 digits, giving that the first digit must be retrived from another field.
Please Help, I need this ASAP!
Any help will be very much appreciated!
Thanks,
CS.
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Oct 22, 2013
Anyway, here is what I am looking to do:
1.) Generate a random number between 1 and 100 and assign the result an identifier, like a person's name.
2.) Generate a second random number between 1 and 100 and assign the result a different identifier, like another person's name.
3.) Compare the two randomly generated numbers.
4.) Have the identifier of the LARGER random number displayed on the screen.
I would like to have this linked into a button click.I am hoping there is an easy way to accomplish this task.
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Jun 2, 2015
I have a log in screen that my users must use before they can use my db. if they enter the wrong username/password they get the usual message boxes. I also thought it would be a nice personal touch if once they've logged in they get a little greeting, so i made a message box that says "Hello " followed by their first name
This did the trick for a while, however theyre sick of seeing "Hello" and want other greetings, i figured this wouldnt be too complicated and took me only about 10 minutes or so to implement.
Basically i created a table (tblGreetings), has two fields, an autonumber field (ID) and a short text field
I've added the following code into the login sequence:
Dim greetings As Integer
Dim greet As String
Dim randomNum
greetings = DCount("ID", "tblGreetings")
randomNum= Int((greetings - 1 + 1) * Rnd + 1)
greet = DLookup("Greeting", "tblGreetings", "[ID]=" & randomNum)
which in theory should generate a random number between 1 and "greetings" (which is an integer representing the number of greetings ive stored in my table), currently greetings=9
then it should pick a greeting from tblGreetings using the random number as an ID
This more or less works, except whenever the DB is opened and a user logs in, the "random" number is the same every time, it always seems to be 7 (which corresponds to the greeting "G'day").
Why this random number is always the same? it changes if i run the code a few times in the same session, but once the database is closed and reopened it still gives off the number 7, every time
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Aug 3, 2012
On an Access database, I would like an ID number to be generated randomly.
This ID number needs to be within the range of 11000 - 99999.
How is this possible?
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Mar 9, 2006
My company does daily, weekly, and monthly drawings using mountains of entry tickets and a barrel that has seen better days. So needless to say this system has to go. I hope to be able to do it digitally.
I would like to do a random number generator to pick the winners based off of a ticket number range. The ticket numbers issued to the customer would correspond to the customer account number. To complicate things I would really love to have the random numbers displayed on the screen so people feel they are watching the randomization pick in progress with the winner name popping up.
I have searched Help for Rnd function, as well as googled. I haven had any luck finding what I need. Is what I am looking to do possible in access? I had something similar in Excel a few years ago but lost it.
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Mar 24, 2005
hello all
I am trying to set column values to a random number between 3 and 5
PMRatingTokenID: textH1: doubleYearID: textCode:UPDATE PMRating SET PMRating.H1 = (5+3-3)*Rnd()+3
This shows type mismatch error . What is the problem here..
please do help...Thank you
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Sep 28, 2006
Hi.
I have major report due within hours.
I need to add a field to existing table that will be a 9 digit number, non duoplicating or - to take an existing field of 9 digits and allow it's values to change to random or incremental, non-duplicate numbers of 9 digits. I already have an autonumber field I must keep.
Russ
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Aug 21, 2013
I have a RN generator that looks at 9 different lanes and puts in a number based off of a certain criteria but I was wondering if in the frmLanes the actual "Go" button was an incoming number how could I get my current random number generator to look at that number and determine if the current number is within 5 of the "go" number?
Any way to have a beginning number that I would enter into a text box and have the number generator kick off based off of that number. I have included a copy of my db for viewing.
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Jul 31, 2013
I have a form which allows the user to add new records to a table. After the user had entered all the information into the form, they click a command button to add the record. In addition to adding the new record, my command button runs an query which is supposed to generate a random number between 1 & 1,000,000,000 and update the record ID field with that number.
Here is the formula I have been using in the "update To" now of my query: Int((1000000000-1+1)*Rnd()+1)
My problem is that I keep getting duplicates. You would think that the chances of getting a duplicate number would be pretty small with this large of a range, but I get a duplicate almost every time.
I have tried indexing (No duplicates) the field in the table, but that did not work. When my query generated a duplicate number, the record was just not added to the table.
I also tried a two step approach:
1-Make a table of all in use record ID numbers from my table (tblIdNo)
2-Update new record with a random number that is not in tblIdNo
This was a no-go too
How to build an update query that will update each new record added to the table with a random number between 1 & 1,000,000,000 without any duplicates? This seems like it should be so simple, and I am starting to get really frustrated.
I would prefer to accomplish this through a query/queries (if possible) rather than with 100 lines of code. This database is not for me, it's for another group, and the individuals in this group are totally freaked out by code.
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Jan 2, 2015
I'm trying to create a query that generates random numbers for each record, sorts them by that field, then selects the top record. This should randomize the record being selected.
I can use the Rnd([ID]) function which does appear to generate a random number. Problem is that each time I exit the program and come back in, it always selects the same record. When I remove the Top = 1, to show all the records, every row does have a different random number but it does not appear to be sorting by this field.
If I run the query, here is the number I get: 0.98609316349029
Exit the program, restart, and run the query again: 0.98609316349029
If I refresh the query, the second and third time does appear to be random but the first result is always the same. how to generate truly random numbers?
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May 28, 2015
I've been building a CRM in Access that allows for creating profiles for our accounts. When we add a new account, I'd like an Account ID to automatically generate and look like this: CRMXXXXX where the X's represent a random number. I originally wanted to set the field as autonumber to just count up, but unfortunately I need to append this value to another sales database we have; you can't store the text "CRM" with an autonumber in a table.
Right now, all I've done is place an equation in the default value of a textbox I have on my 'Add Account' form. I then made the control source of the text box the Account ID field. My equation is as follows:
="CRM" & CStr(Int(Rnd(Now())*10000))
This appears to work, as it generates a value in the correct format. However, I've realized that each time I open the CRM, the random numbers start over again and I run into issues of trying to create a new record with the same ID as a previously created record. I assume I need to incorporate some sort of timestamp to it in order to change it.
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May 27, 2014
Is it possible to run a SQL command to update a field within a table with random numbers?
More specifically - random long integers linking back to an ID (autonumber) field in another table?
Background to this is, I have multiple static data tables related to each other by long integer identifiers (autonumbers)
The structure is fine but I haven't been provided with the actual data yet - but for development purposes, I need to work on other functionality which requires that this data be present.
So I want to fill my table with dummy data such that I can go off and work on the remaining functionality, but then just go back and clear it all out once I get the actual data.
I have one 'main' static table, which links back to other tables, which I have already populated with dummy static (i.e. company names, locations etc) Now I want to go into my main table and populate those fields in each record with a random ID. I don't mind doing this field-by-field (there's only a handful) but I've a lot of records in there (~1000) so I'd rather not do this record-by-record.
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Dec 8, 2005
Hi
I have a column which is made up of two parts from the table as follows...
function area .... FINANCE
ID number ... 001, 002, 003 etc
combined together this will make my ID column which should look somehting likie this : FINANCE 001, MARKETING 002 etc
BUT
the problem is that now i need to import some existing data into the tables and it appears as though the existing data has repeating numbers for different function areas
e.g.
FINANCE 001
FINANCE 002
MARKETING 001
MARKETING 002
how would i get this imported into my current table structure?
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Aug 7, 2006
I'm rather new to Access, and still learning. Right now, i have 2 tables:Employees (Firstname, Lastname, Dept, Start Date, Inactive (yes/no field), Inactive Date)MainData (tracks daily stats for each of the sales people in 3 depts)i have a form set up for each to input the required data. I also have 2 queries:Active Employees (filters out inactive employees; used for a dropdown menu of employees on the MainData form.MainDataTotals (totals the fields of MainData; Total Customers, Total Sold, etc)What I'd like to do is set up a form to generate a report of the overall totals of all the sales people, totals for the separate depts, and totals for the company. I have the form designed already, and it works, but i do not know how to set it up so i can filter by chosen date. I want to be able to choose which dates the report will cover off of a form. For example, a dropdown menu with the months listed, and have the report only show the totals for that month. I will only need monthly and yearly reports.
I have searched extensively for this, even on these forums, i cannot find the answer to my question or enough info to figure it out.
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Sep 3, 2006
hi guys. i am currently working on an human resources information system. i am currently using ms access 2003 and the report form looks like this:
the function of this form, is once a button is clicked, the appropriate report for that button will be generated and will automatically be viewed in ms excel. the problem is that i don't know the VBA code that will perform this function. i read books about access, but unfortunately i can't find the exact answer to my question. so, if anyone could give me some idea on where i can find sample codes for this function, i would very much appreciate it. thanks in advance.
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