Creating A New ID Field With Logic

Apr 24, 2008

I am looking for some direction on how to approach this.

I have a table that has a field call DocumentID and I don't like it. I would like to create my own.

In the same table I also have 10 fields of data called L1, L2, to L10.

I would like my new DocumentID to be the 10 fields concatenated together, with a period between them unless the value of the field is null.

If this is a query I need to then move the data back to a table in the same database.

Any suggestions on a good strategy/approach?

Thanks

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New Query Field Based On Existing Field Logic

Oct 8, 2014

I'm trying to create a new field based on two existing fields as part of a select query. Two tables in the query each have a "HOSPITAL" field which is an indicator for "Y" or "N" for each department (in the DEPTLOOKUP table) and for each facility (in the Facility Lookup table). I want to create a field whereby a new indicator is created so that a Y is given for each record only where the facility and department HOSPITAL indicator field is both "Y". I have attached a word document that has a screenshot of the query in design view as well as the access sql code.

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Jun 14, 2006

Have this table

ID | NAME | Progresscomplete | Release
1 | a | 20% | July
2 | b | 65% | July
3 | c | 33% | July
4 | h | 15% | Sept
5 | i | 30% | Sept
6 | r | 5% | Dec
7 | s | 50% | Dec
8 | t | 15% | Dec
9 | u | 20% | Dec

now I want to create a query that shows the Progresscomplete for each task as a percentage for a Release

so the total progress for each release is
July 300%
Sept 200%
Dec 400%

and the current level of progress for each release is
July 39.33% (118/300*100)
Sept 22.5 % (45/200*100)
Dec 22.5 % (90/400*100)

thus the current level of progress for each task within a release is
1 | a | 16.9% (20/118*100) | July
2 | b | 55% (65/118*100) | July
3 | c | 28% (33/118*100) | July
4 | h | 33% (15/45*100) | Sept
5 | i | 66% (30/45*100) | Sept
6 | r | 5% (5/90*100) | Dec
7 | s | 55% (50/90*100) | Dec
8 | t | 16.6% (15/90*100) | Dec
9 | u | 22% (20/90*100) | Dec

I have queries for the first two not sure about the last also
not sure if i should have the base of the last output be the current level of progress for each release or the total progress for each release

I have tried this for the last output

SELECT ID, NAME, ((Progresscomplete/Count(Progresscomplete))*100) AS currentprogresslevel, Release
FROM TEST_RawData
GROUP BY Release;

but get an error "tried to execute a query that does not include specified expression... as part of an aggregate function.

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Oct 18, 2006

Access is making my brain hurt - can anybody please help?

Here's what I have and what I am trying to get it to do...

I have a table, maba_registrations, into which students are entered according to which course they are doing in which semester - eg -


autonumber student_id course_code semester year
1 1 A123 1 2006
2 2 A124 1 2006
3 2 A124 2 2006
4 2 A126 1 2006
5 3 A132 1 2006


What I need to do is to pull four subsets of data out of this table -

1) A unique list of courses that student x is taking in semester 1 (only) of a given year
2) A unique list of courses that student x is taking in semester 2 (only) of a given year
3) A unique list of courses that student x is taking over 2 semesters (both semester 1 and semester 2 of a given year)
4) A unique list of courses that student x is taking over 2 semesters (semester 2 of a given year and semester 1 of the following year)

Obviously there should be no overlap... and that's where I get a bit stuck

I can craft a simple query that will show me the courses a student is taking in semester 1 of a given year, but I cannot figure out how to get it to exclude those courses which are also still being taken in semester 2. In the above example, the query pulls out records 2 and 4 for student 2; I only want record 4.

I think what I need is to have 2 queries -

a) pulls out all courses for student x in semester 1 for the current year
b) pulls out all courses for student x in semester 2 for the current year

- and then subtract the results of query (b) from query (a) (ie remove the rows that are matched). Is there any way to do something like that?

Or is there a simple part of query syntax that I can use to make a query that just says "pull out all the courses for student x where semester=1 and there is no row for this course and this student where semester=2"?

Any ideas would be hugely appreciated!

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May 4, 2007

Hey guys, I'm a little lost in my logic here for some reason.

I have a table that has 6 dates. I'll label them as 1 to 6.
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I would like to run a query to ensure that this holds true. Can anyone give me a little help on this?

Do I have to do an individual compare from 1 field to the 5 other fields 6 times? for example

Select if
Date 1 < Date 2
OR
Date 1 < Date 3
OR
Date 1 < Date 4
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Apr 4, 2008

I realize my newbness shows here...

Im trying to run a query that looks in a table to see if product a and product b were purchased and then return the id but i never get any data, and I know there are some results that should be showing up. If I remove either one of the products it returns data but not when both are requested. here's the query:
SELECT [Copy Of data].id, data.purchase_product, data.purchase_product
FROM data INNER JOIN [Copy Of data] ON data.email = [Copy Of data].email
WHERE (((data.purchase_product)="ProdA") AND ((data.purchase_product)="ProdB"));

what am i not getting?

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Feb 26, 2007

I have been working on customizing MS ACCESS to
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MS Excel: the "IF" command. Specifically, what I'm
doing involves a calculation, where one data input is
subtracted from another data input, but if the difference
is a negative number, I would like to substitute the value
of ZERO. The closest I've come to achieving this is to
enter the condition ">0" while in Query Design mode, but
the problem with this approach is that if the difference
is a negative number, the report does not display the
data that resulted in the calculation of the negative number.
In other words, I want the data to be included in the report,
but I want a "Zero" to be substituted for all calculations that
produce a negative number. For example, if I enter a set of
data, and the two numbers that get subtracted are 40 minus
36, then the difference is positive 4, and so I want a "4" to
be displayed; But if the two numbers to be subtracted are
36 minus 40, the result is negative, and so I'd want the
report to display a "zero" in the calculation.
Please advise me on how to set this up, as the only approach
I've found resulted in all negative calculations being omitted
from the report.
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May 11, 2006

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Any help is greatly appreciated.

Tom

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Jan 7, 2005

I need some help with code. I can do this in Excel, but I am not sure how to do it in Access.

Here are the fields:

PoundsPerBox
PoundsPerOrder
BoxesToOrder

Here is the scenario: If a customer orders custom paint for their equipment, we need to total how many pounds of Powder Coat paint it takes to paint all the units (PoundsPerOrder). When we order this from the vendor we have to order it by the box which is measured in pounds. In this example, the vendor will sell us a box of white Poweder Coat paint in increments of 55 pounds. (55, 110, 165,...)

Verbally, the logic reads like this: If PoundsPerOrder is less than or equal to PoundsPerBox, then BoxesToOrder equals 1. This logic needs to be tested for each increment value (indefinately) of PoundsPerBox.

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etc.
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NAICS2
NAICS...6 (company can have 1-6 NAICS codes)

A layman has no clue what these NAICS code are, so each and one of them has a descriptive title, like NAICS 32330 = Canned Vegetables Manufacturing
For this puropse, I designed a second table:

ProductTbl
ProductTitle (PK)
NAICScode

Purpose:1. Be able to query by ProductTitle and get all companies with that profile.
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Hi Everyone:

I am new to this forum as I recently started working in MS Access. I’m hoping someone can please help me with this query I’m trying to do using MS Access 2007.

This task is somewhat similar to a typical points/miles rewards credit card program.

The problem is as follow:

For every $2,000 of accrued purchases in a credit card, an individual will get a gift card.

So, any remaining balances over $2,000 will rollover and be added to next set of transactions, until it reaches $2,000 again. For instance, if on the first week I spent $2,500, I would qualify for my first gift card. The excess $500 would rollover and be added to the next set of transactions until they reach $2,000 again. Therefore, this would qualify me for another gift card.

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I feel like this is a stupid question but here goes:

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I think that creating a new primary key is the only solution to this problem, but I would love to have other input, including potential pitfalls I might encounter in this process.

Here is the scenario: I have spent the past year creating a "survey based" database in my "spare" time at work. The database holds detailed information about nutrition questionnaires given to children over the years that they are in our program. I have based the structure on using ClientID as the primary key. ClientID = each individual's social security number.

We have another database that holds all the client's information. This is the database where any updates are done to their information. I export the client information (firstname, lastname, birthdate, socialsecurity, plus a few more) that I need into excel. Then I import that info into my database on a regular basis using an update/append query.

We started using the database in September and all was going well until a few weeks ago when I imported data and found a name that was entered twice. On looking closer, I found that the person had two different ClientID's. How could this happen...? Well, in our other database, if a child doesn't have a social security number yet, or we weren't given it, the program creates a fake social security number AAA-##-####. I knew this from the beginning, but wasn't aware of any problem. However, I was missing a significant piece of information. When the child finally does receive a SS#, we go in and change the number in the program!!!! At first I was told this rarely happens (I had about 6 duplicates the first time), but today I ran another import and found 90 instances of duplicated names!

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1. Leave the primary key alone and delete the duplicated values with every update.

2. Create a new unique autonumber primary key, knowing I will have to delete relationships and rebuild them. I would leave the clientID field in the system as it is the only way we have to determine the difference between two children with the same names and birthdates.

3. Run quietly away hoping they don't notice the problem until I am long gone. ;)

What would you do in these circumstances? If you agree with my assessment that I really should create a new primary key, what steps would you take to minimize problems both during the process and in the future?

And yes, I wish about 12 months ago, I had asked if the social security number was ever updated, but of course no one thought to bring that up when we were discussing the database design! :mad:

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