Queries :: Loop To Create New Tables With Unique Field Values

Sep 20, 2013

I have a table - (Table A) that has 2 fields X and Y. I would like to write a query or script to make two new tables based on the unique values found in field X. In other words, all data where field X = 1 would be written to a new table called "1" and all data wehre field X =2 would be written to a new table called "2".I would like this done automatically.

Table A
Field X Field Y
1 a
1 b
1 c
1 d
2 a
2 b
2 c

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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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Tables :: How To Create A (unique) Field

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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Queries :: Unique Values For A Field

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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Tables :: Merging 2 Fields Together To Create Additional Field - Unique References

Jul 23, 2015

Is there a way of merging 2 fields together to create an additional field

my database consists of 4 main tables (in order of relationships)

*HeadOfficeDetails
*SiteDetails
*ContainersOnSite *Contracts2015-2016

For example;

Account Reference: TEST
Site Number: 001

and the field i would like to have;

Site Reference: TEST/001

I would also like that when i add a new site to that account i will have TEST/002....

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How To Create All Unique Values In 4 X 4 Matrix Table

Oct 6, 2012

if I got a 4 x 4 matrix table - 4 rows and 4 columns - MS Access 2007/2010 the values should exist as below with no repetition of any number in any of the cells.

1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16

a number should not repeat in any of the cells.I set a primary key on cloumn 1 and defined unique on all the fileds but that doesn't work since 1 columns does not know what the other cell contains and no relationship exists.

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Queries :: Create A Query That Can Sum Values Of Different Fields In Different Tables

Apr 11, 2013

I'm trying to create a query that can sum values of different fields in different tables...Can I sum values of a field and put the result into another field in different table?

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Tables :: Count Unique Values With Different Values

Feb 7, 2014

i have one table in which ID is Primary ID with Different Values

Like

ID NAME PAN
1 A X
1 B Y
1 A X
2 C Z
2 C G
3 D U

it shows that ID 1 having 2 Name (A& B,with PAN, X & Y ,respectively).how can i get this that ID having More than 1 Value like 1 and how can i select only these records ID which having more than 1 value and how can i update values for 1 ID.

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Tables :: Combining Fields To Create Unique ID

Nov 14, 2013

How i would best combine values in a table to produce a 'primary key id number.'

For example: the first letter of a city in the ID and the next number available/auto number - Portsmouth -> P233

I know i can create this in a query however i want it as the unique ID for that record entry in a table. If that doesn't make sense i can try to elaborate some more.

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About Unique Values In Tables!!!

Oct 4, 2006

Hi,
I have a situation and i do not know how to handle it.
I am developing an application for a lawyer. In the data base i have the following tables: Files, the people table (that are involved in a lawsuit), and other tables. The problem is the following: in the people table, beside the primary key i have another unique element that is social security number.
In the files table beside the primary key another unique element exists: the number and date of the file (File 1 from 15.02.2006). A lawsuit file can have more law terms: today it has one law term and maybe next week another law term so i must have the same file many times in the table with the same code and another date, but i cannot add the same file many times in the data base because a file has data about one person and the social security number of the person is unique.

If anyone can offer me a solution it would be good.
Thank you!

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Queries :: Append Query - Unique Records To Create Relationship

Mar 22, 2015

I have created a linked Excel table in Access 2010 called 'tblExcelLinked' and I have a form called 'ASB Log Form' for the purposes of presenting the data in a more readable manner that is easier to view, plus link other fields of data that are not directly related to the 'tblExcelLinked'.

Because there is no unique ID in the 'tblExcelLinked' to create a relationship, I have created a table called 'tblASB', which allows me to add other table data linked from same d/b.

I now want to update the 'tblASB' with data from the 'tblExcelLinked', but only append new records from 'tblExcelLinked', but my inadequate append query is duplicating the records each time I run it, rather than just adding the new ones.

Once sorted my next challenge is a macro so that this runs automatically rather than being manually triggered.

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Queries :: Merge Duplicate Values With Unique ID

Feb 28, 2014

I have a query with over 85,000 lines of data where each row has a unique id but the unique id appears multiple times within the table. For example, there is a unique numeric id tide to various types of pets across four columns. So the id number 1 could appear in four different rows each with different pets. See the first attachment "Original Table"

I want to be able to create a table that has one for for each unique id with all of the corresponding pet data. See the attached "Desired Table".

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Queries :: Count Unique Values Without GROUP BY

Sep 15, 2013

I am currently using the below code to query values that have a unique "OverrideDescription" and where by the "Upload Date" is always the latest.

SELECT t1.*
FROM [DaisyServiceRates-Amended] AS t1 LEFT JOIN [DaisyServiceRates-Amended] AS t2 ON (t1.OverrideDescription = t2.OverrideDescription) AND (t1.[Upload Date] < t2.[Upload Date])
WHERE t2.OverrideDescription IS NULL;

However I also need to be able to do a unique count of the [OverrideDescription] field.

I have found methods whereby I can do use, but they all use a GROUP BY function, the issue being that when I use this method it prevents be from updating the values saying "recordset not updateable".

Any method that does not use the GROUP function. I did also try preforming the COUNT on a separate table and doing as JOIN, but this also prevented updates to the date.

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Tables :: More Than One Unique Values - Prevent Entry Of Duplicate Combination Of Fields

Nov 4, 2014

1. I have a database (see attached) with three tables all of them with the same fields. The first three are numbers (InCo_No, Proto_No, Year_No). Each of these fields (numbers) can be the same in the other table(eg. Year_No), but the combination of the three cannot be.

How can I prevent the entry of a duplicate combination of these three fields?

2. I want to have a form to fill the three tables separately, depending the values in the other fields.

How can I do this?

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Queries :: Excluding Duplicates - Show Only Unique Values

May 17, 2013

I have duplicate data in a cell, I want to hide duplicate data and display only non-duplicate data.. I changed the property sheet to only show unique values, but it keeps showing data I don't want to see...

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Queries :: Comparing Text Within A String To Keep Only Unique Values

May 15, 2013

I have one field where string contains several words separated by semicolon and my goal is to be able to remove duplicates within the string and keep only unique values. Here is an example:

initial field:
xxx;yyy;ppp;yyy

targeted result:
xxx;yyy;ppp

How this could be achieved ?

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Queries :: Manifest - Query A List And Then Show Only Unique Values

Oct 1, 2013

One Manifest can have many line items. One line item can only have 1 designation. Each manifest may have many line item with same designations.

For example:
Manifest #0001
Line Item 1: N
Line Item 2: H
Line Item 3: U
Line Item 4: N
Line Item 5: P
Line Item 6: H

Table set-up
CurrentCY
CurrentCYIDPK
WasteCategoryIDFK
LineItemInformation [Line Item 1, Line Item 2, etc]
ManifestDataIDFK

ManifestData
ManifestDataIDPK
ManifestNumber [0001]

WasteCategory
WasteCategoryIDPK
WasteCategory [H, N, U, etc]

I'd like to query the line items for each manifest so the end result has the manifest number (Manifest #0001) in a field and the designations (N, H, P, U) in fields on a report.

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Queries :: Select Distinct For Combobox - Show Only Unique Values

Oct 20, 2014

I am trying to get a combo box to only show unique values, but I can't get it to work properly - it still shows duplicates in the list.

The Row Source is set to

SELECT DISTINCT Areas.ID, Areas.Area FROM Areas ORDER BY Areas.Area;

And the combo is bound to column 2

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Modules & VBA :: Loop Through Tables Updating Field In One From Field In Other

Feb 6, 2015

I have 2 tables, "Counselors" and "Appeals". There are several names in the Counselor table but it is not a fixed number of names (rows) usually around 7. There is also some variable number of records in the Appeals table, could be 0, could be 50, depending on the day.

I need to, in a round robin fashion, assign the counselor names one by one to the records in the Appeals table. How to loop through the 2 tables and update the name field in the Appeals table with the name in the Counselor table.

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General :: Creating Unique Ordered Number Field With Auto Shifting Values

May 31, 2013

I'm creating a database using existing data from an excel file full of contact details. What I need to add is a queue type system where each contact in the database has a "Place in Queue" number which is unique obviously.

Lets say Alan is number 1, Bob is 2 and Chris is 3. They have these corresponding numbers in the queue field for their entries.

Now what I need to have, through use of a form, is a way of changing Chris from number 3 in the queue to number 1 and thus have Alan automatically shift down to number 2 and Bob to 3.

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Tables :: How To Make The Field Unique

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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Tables :: Multi-field Unique Key

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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Queries :: How To Join Tables With No Matching - Unique Fields

Jun 16, 2013

I am undertaking an analysis of corporate mobile phone data based on data from the phone provider. The base data consists of a number of monthly text files at transaction level for voice calls, data usage, billing/tariff information, international calls/transfers etc. I have set up VBA code to import the text file data into a number of Access tables.I would like to have a way of joining these tables but the only common field is the phone number (a text field with the groups of numbers separated by hyphens).

I confirmed that joining the tables on the phone number text field does not work.My idea was to create an additional table with just one row for each phone number and link that to the other tables by the ID in the new table. I was able to create this table [PhoneNumbers] (by creating a totals query of the phone numbers from the main call transactions table, I then dumped it into Excel and then imported it into a new Access table with an auto-generated ID column).My problem / challenge is how to get the ID column from my [PhoneNumbers] table to appear in each of the other tables so that I can join them effectively. In the Excel-world, I would have used a vlookup function.I even thought of performing this as an interim step in Excel but there are too many records / rows in some of my tables. It seems that the dlookup function is not what Im looking for and even if the IIF function is suitable, I cannot get the syntax to work for me.

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Queries :: Calculation Based On Values Selected In Table By Looking Up Corresponding Values In Other Tables

Aug 29, 2014

I'm using Access 2010. I need to calculate a score based on values selected in a table by looking up corresponding values in other tables. I have a "Project" form to create new entries into the Project table (see Table 1). When I create a new project record, I will select values for the Payback and Need fields by selecting options from a list. The Payback list is pointed at Table 2 and the Need list is pointed at Table 3. In the below example, I created the "ABC" project and selected "1 year" for the Payback field and "Repair" for the Need field. Pretty simple.

Now that I have the "ABC" project loaded to my Project table, I'd like to create a report that will show a "score" for this project. The score should be calculated as follows: Payback Impact + Need Impact. In this example, the score should be 30 (Payback Impact of 20 + Need Impact of 10).

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Tables :: Empty Date Field - Using As Unique Identifier In Index?

Mar 5, 2013

To prevent duplicate records, I use multiple fields indexes, which worked fine until now. I learned that each "empty" fields are consider unique by Access, so not the best in an index to prevent duplicate records. I managed to have it worked using the default value property to give each "empty" records the same value.

Now my problem is that I have a date field which is optional, but I need to use it as a unique identifier in an index. I could again use a default value, but since it has to be a date, I find it confusing. I would rather have a default value of "No date specified" or "-" or even better, "". Unfortunately none of those works with date fields.

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Modules & VBA :: Get Number Of Unique Values Without Separating Values That Belong To Same Block?

Dec 5, 2014

I have the following dataset in a table called NR_PVO_120. How do i pick out a number (which can change but let's say, 6) of UNIQUE OtherIDs without excluding any OtherIDs under any fax numbers?

So, if you pick OtherID from Row7 you then also must pick OtherIDs from rows 8 and 9 because they have the same fax number. Basically, once you pick an OtherID you're then obligated to pick all OtherIDs that have the same fax number as the one you picked.

If the number requested (6 for this example) isn't possible then "the closest number possible but not exceeding" would be the rule.

For example, if you take OtherIDs from rows 1-10 you will get 6 unique OtherIDs but row 10 shares a fax with rows 11 and 12. You either need to take all 3 (but that will raise the unique count to 8, which isn't acceptable) or skip this OtherID and find one with a fax that has no other OtherIDs and that isn't on the result set already. My result of 6 UNIQUE OtherIDs will need to contain ALL OtherIDs under any fax the existing OtherIDs are connected to.

So one solution is to take rows 1-6, 26. Another is to take rows 1-4,10-14.

There will be many possibilities (the real dataset has tens of thousands of rows and the number of people requested will be around 10K), as long all OtherIDs connected to all faxes on the result set are part of the requested number (6 in this case) any combination would do.

A few notes.

1.Getting as close as possible to the requested number is a requirement.

2.Some OtherIDs will have a blank fax, they should only be included as a last resort (not enough OtherIDs for the requested number).

my table (NR_PVO_120)
Row OtherID Fax
1 11098554 2063504752
2 56200936 2080906666
3 11098554 7182160901
4 25138850 7182160901
5 56148974 7182232046
6 56530104 7182234134

[code]....

A few sample outputs

one solution is taking rows 1-6 and 26.

OtherID
11098554
56200936
25138850
56148974
56530104
56148975

Another solution is taking rows 1-4 and 10-14.

OtherID
11098554
56200936
25138850
56024315
56115247
56148974

This is for a fax campaign, we need to make sure no fax number is faxed twice, that all people connected to that fax number are contacted under one fax sent.

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