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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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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Dec 19, 2005
I have a report that takes money values form several records and sums them up in various category's making a list of departments with the total amount of balance for each (positive and negative numbers). I need to categorize the positive values form the negative and calculate the totals of each and the grand final total (invoice style)
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Jan 28, 2006
I created a db, tested it with dummy info and all was fine. I then imported live data from another db. When I came to add new records, discovered that, in the table design, a default value of 0 (zero) has been entered for fields where a look up table is used (where I had used Autonumber for the ID). Solved that easily enough, but later I amended a text box to a combo box and the same thing happened. Why does it do this?
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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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Dec 8, 2005
Maybe someone knows the logic behind MS Access for the display of percents in the formating..... ie.... If you input 3 you get 300.00%. I really dont think ANY user would look at a form... with a field called...say "Commission percent" and expect an input of a 5 to return 500.00% Does this need to be corrected with coding?
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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.
Date 1 > Date 2 > Date 3 > Date 4 > Date 5 > Date 6.
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
etc etc.?
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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
produce a report that involves one mathematical
computation from my input data. However, I've run
into a problem because I can't get the program to
carry out a logic command that would work fine in
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.
Thanks for your help.
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May 11, 2006
I am not sure if I understand this...
I have MainTable, on which I base MainForm. I would like to have MainForm show only the records that have a null value in CertainField. If I write NullQuery to select only those records, can I redirect MainForm to NullQuery? Well, I know I can do that... but how does MainTable get updated with new records if MainForm is based on NullQuery????
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.
Am I making sense? How do I accomplish this in Access? And, as a side note, I need to capture and store this value in a table for future reference.
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Oct 21, 2013
I would like to create a report based on a query. The first part is simple enough. However within this query I have a 'Count field' (a total of the number of duplicated this record has appeared in the table). And would like to create a subreport (if possible) based on that value for example. if count > 1 then show subreport.
My question therefore; is the above possible? How would I go about linking this logic with the subreport
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Nov 13, 2007
Tried to export a report to Excel using Tools>Office Links>Analyze It With Microsoft Excel menu. The order of the fields appearing in Excel doesn't seem to match the order on the Access report layout. What is the logic on how the fields exported? Thanks.
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Jan 9, 2006
Ok, here it goes:
Got these tables:
CompanyTbl:
CompanyID (PK)
Name
Street
etc.
NAICS1(this is a standard industrial code, a 6 digit number telling about their product/service)
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.
2. Be able to retrieve Company ID with all its NAICS code/s and corresponding ProductTitle/s.
Now one company can have up to 6 NAICS codes and one NAICS code can appear under the descirption of multiple companies. So a many-to-many relationship. But how? A third table, probably....But how?
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Jun 17, 2014
In the highlighted line of code attached I am comparing two strings one from a snapshot recordset and one from an array.
The logic fails, you can see in the watches window both values equal "DESIGN and the elseif statement should execute but it does not.
The only reason I can see for this is that the values are equal to "DESIGN and not DESIGN. Where this single quotation mark comes from I do not know. It is not visible in the tables and it does not appear when the values are printed into excel.
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Jul 9, 2007
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.
So far, I’ve created two tables, one that stores accrued purchases (Promo History) and another table based on an Append Query which takes all qualified transactions from the first table and appends those records to the second table (Promo History Qualified) in order to track those qualified transactions over $2,000.
However, I’m stuck on how I would accommodate the remaining balances to be carried over. Any suggestions would be greatly appreciated!!
Thank you in advance,
marel
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Jul 17, 2013
Record Primary Key: ID_Wells..The TxtFedStCo has Fed, St, Co, ... in one field - and a Dt_Apd_Sub (date submitted) .There can be zero or many dates submitted for each Fed or State.
Objective:
If
A Fed has (1 or many) date submitted
AND
A St has (1 or many) date submitted
Condition is TRUE
How do I get to the next step? The reason for doing this in SQL is to prototype in Access, then move this over to TSQL later.
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Aug 17, 2007
I feel like this is a stupid question but here goes:
I just created a large database of which a few fields are going to represent "total" fields as they are the sum of a few other fields.
I attempted to build an expression in the "update to" box in an update query but it does not seem to be working. I tried creating a simple addition expression and it tells me that I am about to update XXX number of fields but when I look at the data afterwards no changes have taken place. I am not familiar with how to use the Sum function so it was not working for me.
I'm not sure if I'm going about this the wrong way but if someone could push me in the right direction I'd appreciate it.
Thanks.
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Jun 15, 2006
I am making a Make Table query where I want to add a new field called [Timesheet Date]. How do I ensure that this field is a Date type? I ultimately will populate the new field with valid dates.
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Jul 3, 2007
I have a first name, last name and a company name on the customer/contacts table. I would like to figure out some way to create another new field that contains either the company name or a joined first and last name if there is no company name. I am sure I have seen this ability somewhere, but I am not sure about how to go about doing it.
Any advice would be great.
Thanks,
James
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Nov 24, 2004
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!
There are just over 600 records in the database. Many of these have had information that is unique to this database entered in a related table, so I need to be sure I don't lose any of that data. There is data in other tables that I could import again if I have to.
Here are my options as I see them:
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:
Thanks for your help!
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Dec 19, 2006
Hi Everybody,
I've a question that is teasing me. How would I create a multivalue/multiple answer field in access 2002. P'se forgive if this question has been asked before. Thanks in advance,
Samia
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Mar 6, 2006
I have a form that has two text fields "Time From" and "Time To".
I can get the current time to show up with either =Date() or = Time(). Althought when I use Date() the time shows up correctly in the field until I click on the field to edit it and then it shows the Date instead of the time until I tab out o the field. But I want the user to be able to pick another time without having to type it in. Kind of like a list box but with a scroll that with either increase or decrease the time.
Also I am trying to get the "Time To" field to be 30 minute higher than the "Time From"
I have tried different things like DateAdd("n", 30, [TimeFrom]) and although it does add 30 minutes when I click in the field it shows the Date and time (3/6/2006 12:30:00 AM) and not just the Medium Time (12:30 AM) even though I have the Conrol and the table field formated to Medium Time.
I'm at a loss.
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Jul 9, 2007
A fellow employee of mine who is self taught in Microsoft Access currently has a database with a form that contains fields labeled name and address. She is trying to set it up so that when she begin to type, it will automatically look up to see if that name and address was previously entered to cut down on having to repeat it every time. She has tried the look up function with no success. She is using a single table as a base. Any assistance anyone can give us will be fantastic!! If I have posted this in the wrong forum or if this question was already answered, I could not locate it and I'm sorry if I am not following proper forum protocol.
Thanks!!
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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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