Calculating Vs Storing Data?
Aug 9, 2007
Dear Access Expert.
I have a choice of either calculating a field or storing it.
Specifically, I have two pieces of data ... departure time and arrival time which I have taken from another source. This other source also has the difference between these times. Currently, I am not storing the difference in a field as I have opted to calculate it in my database.
However, I am thinking that maybe it would be better to store it vs. calculating it because I have 35, 000 records and storage space is not going to be an issue.
What do you suggest if I my main concern is speed and effeciency?
Thank you very much.
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Jan 30, 2006
I am pretty new to access, I will get right to it.
I am scoring rating scales. I want to be able to enter just the responses from a person, say on 80 questions (preferably into a form), where all the answers are 0 to 3 and have Access add the questions into the right groups to calculate all the sub-scores of the rating scale.
For example, Scale A may consist of Questions 1, 6, 15, 29, 35, and 70
I need access to add those up and save them so I can use them in a report.
I also need access to add the frequency of certain questions that were responded to with the answer 3.
I have gotten Access to calculate the scores in a form by adding extra variables to the form, erasing the variable name out of the white box and putting in the syntax =[Q1]+[Q6]+[Q15], etc. in place of a variable name but it just sits there on the form and doesn't store it anywhere.
Thanks
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Jan 12, 2006
:confused: Hi
I have some 100 questions for which user must answer by selecting any of the options provided using option buttons.
As i cant fit all 100 qtns in one form am splitting it into soem 10 forms.
User answers the qtns in 1st form and clicks on next button to goto to nxt form
thn agn he answers the qtns in tht form and clicks on next button to goto nxt form..so on.. until he answers all the qtns in the last form.
I want to transfer the answers selected from 1st form till the last one..where all the answers are stored in one table whn a submit button is clicked.
please let me kno ASAP if thr is anyway i can do it.
thnk in advance
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Jan 12, 2006
Hi
I have some 100 questions for which user must answer by selecting any of the options provided using option buttons.
As i cant fit all 100 qtns in one form am splitting it into soem 10 forms.
User answers the qtns in 1st form and clicks on next button to goto to nxt form
thn agn he answers the qtns in tht form and clicks on next button to goto nxt form..so on.. until he answers all the qtns in the last form.
I want to transfer the answers selected from 1st form till the last one..where all the answers are stored in one table whn a submit button is clicked.
please let me kno ASAP if thr is anyway i can do it.
thnk in advance
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Jun 7, 2005
Hi everyone,
I've recently begun building a database to keep track of stock at work. Nothing particularly special or difficult. I have a little bit of prior experience with Access and VB, but not heaps.
Basically, I've created a tables for parts, companies etc, and am relating all the data together.
At the moment I've made a form that allows you to enter a new part, with Part Number, Description, Category, Supplier, etc.
The complication comes when I want to create an ASSEMBLY of parts. I'd like to create an assembly (which has a lot of similarities to a part, in that it has a part number, description etc), and that assembly needs to store a list of parts that it includes. A simple assembly might include a few items, ie, a bowl of meatballs includes the bowl, a fork, the spaghetti, and 5 meatballs. A more complex assembly (a complete dinner for 5) might include 5 bowls of meatballs (a sub assembly), pepper and salt, 5 glasses and two bottles of coke.
I'm not sure how to best store this assembly data...
I can't really have a table with a finite number of "part" spots because the assemblies get quite large. I'd rather not use an ugly VB macro that stores the PartID's with quantities either, as that could get thoroughly out of hand pretty quickly.
I'm sure there must be a simple method for doing this, but without having a clue as to what it might be called I can't really look for it in help!
Any clues you guys could give me would be great.
Thanks
Col.
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Jan 14, 2008
I know this is probably a basic question but I just need to clarify something.
I created a combo box using a wizard in a form that relies on its options by looking up data from a spefic table (Y) i.e. such as employee role. So far so good.
However when I create the field in the table in which the user response is stored in Table X, and I am specifying all the details in the general and lookup tab,
Do I:
A. store the data as text or
B. do I go to lookup tab --> display control --> combobox etc..?
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Jan 9, 2007
i have a form with two combo boxes cboMth and cboYr
i also have three text boxes in the same form with computed results: txtA,txtB,txtC.
now how can i store txtA,txtB,txtC with reference to the (Mth and Yr) into a table?
e.g: the table will looks this way (below)
===== ==== ==== ====
Mth/Yr txtA txtB txtC
===== ==== ==== ====
01/2007 580 683 93
:
:
:
06/2012 312 510 80
:
:
how shall i write the codes?
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Dec 4, 2013
I have two tables one that lists accounting codes by county and one that a user will have an entry by county which needs to store the applicable acct code from the other table. I want the user to be limited to the use the accounting codes assigned to their county only when they enter data on the second table.
Table examples:
County
Code
Funds Spent
Accounting Code
Date Entered
Aitkin
123
$20.00
Give the user the choice to select only the Aitkin Acct Codes from the Accounting Code table.
12/4/2013
Aitkin
112
$23.00
Give the user the choice to select only the Aitkin Acct Codes from the Accounting Code table.
12/4/2013
Becker
145
$12.00
Give the user the choice to select only the Aitkin Acct Codes from the Accounting Code table.
12/4/2013
County
Accounting Code
Aitkin
4872727001000000
Aitkin
4842727001000000
Becker
4872727005000000
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Feb 18, 2008
Hi guys,I'm new to Access except using it years back but much has changed from the 2000 version to the 2007 version - it's slowly coming back to me though, as it's mostly just an interface change. Although I'm highly experienced in SQL (mySQL) and database design / structure from being a Web Programmer.I'm wanting to store a stock amount for products. Using 3 tables, for products, orders and sales. Here's a real basic layout:productsprodID | productName | productStockordersorderID | supplier | prodID | quantityBoughtsalessaleID | customer | prodID | quantitySoldThe products table is just a list of the products. Sales is where I log what I sell to customers and the orders are what I buy from my suppliers.What I'm wishing to do is use the products table to store the stock of that item so as soon as I make a sale, that quantity for that prodID is subtracted instantly from the productStock and when I make an order it's instantly added.Is this possible, or is there a good way to do this?All help appreciated! :)Thanks,Nick.
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Mar 19, 2005
I need to know if I can store data in more than one field, without allowing Duplicate entries.
Example: We have to send out letters with a claim number on it, sometimes we need multiple claim numbers on a letter, up to about 10 claim #'s is the most I've seen thus far.
We mail merge into Word to create the letters.
However, these claim numbers cannot be duplicated within the database and in order for this to work with the mail merge, I need several fields to store the claim numbers.
Fields are:
ClaimNumber
ClaimNumber2
ClaimNumber3
etc....
To be more specific. I probably have a bad data structure as I was kind of rushed and a little inexperience with putting the database together. It's for work and sometimes management just doesn't want to wait, they are so negative.
In brief, most everything is in 1 table and I know from reading this forum that I shouldn't do that, but that's another story.
Further, a claim# is tied together by the same claimant, the relationship code is what separates the claimant with the family, the insured id# is used for all claimants within the family.
You can also tie the claim# to a provider id#, some providers such as clinics and large hospitals have multiple providers that use the same provider id#, so a suffix code is used to separate the providers within that same #.
Please feel free to ask additional questions and I will give you the additional information you need to help me. Thanks again.
P.S. - Last year I created the database and this year I am improving it, so expect more posts from me in the future. I really appreciate all the help I get from everyone here!!!!
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Mar 19, 2005
I need to know if I can store data in more than one field, without allowing Duplicate entries.
Example: We have to send out letters with a claim number on it, sometimes we need multiple claim numbers on a letter, up to about 10 claim #'s is the most I've seen thus far.
We mail merge into Word to create the letters.
However, these claim numbers cannot be duplicated within the database and in order for this to work with the mail merge, I need several fields to store the claim numbers.
Fields are:
ClaimNumber
ClaimNumber2
ClaimNumber3
etc....
Any help would be appreciated.
Thanks.
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May 8, 2015
I have a simple data entry form based on a table. However I have a few fields that I do a lookup in a field on the form from a query, and yes I know I should not have a lookup in the control source however, this is the way that I will be doing it on this occasion.
=DLookUp("[Salary]","[Salary Query]")
How I get the value from this unbound field to enter into the actual field in the table. Do I bring the actual field into the form and hide, and do some sort of after update, as I have tried and it does not work.
I have called the unbound field with lookup "Salary Level Base" and the actual field in the table is "Salary Base".
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Mar 10, 2014
I have encountered an issue when I was inserting a string (with newlines about 176 characters) into access table. This field in access has the data type TEXT and it was truncated after the insertion. It is strange because I have three other fields with the same format and no truncation at all. May I know what could be the reason and how/what is the recommend data type for storing long text?
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Nov 10, 2006
I have a file that collects the time data of the shop employees. It records time in (start of day), time out (lunch start), time in (lunch end) and time out (end of day).
Sample of the table:
In/OutEmployee IDDateTime
0316 11/2/20067:00:34 AM
01244 11/2/20067:05:00 AM
1316 11/2/200612:00:43 PM
11244 11/2/200612:01:21 PM
0316 11/2/200612:30:43 PM
01244 11/2/200612:34:25 PM
1316 11/2/20063:30:46 PM
11244 11/2/20063:34:34 PM
0 = In, 1 = Out
How can I calculate the total hours worked per day(First In + First Out + (Second In + Second Out).
I appreciate any help.
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Dec 27, 2006
I am trying to project how long it will take to reach the 2GB Access limit in a specific project.
My client downloads approx 250,000 records on a monthly basis. I've been provided w/ a sample Excel spreadsheet. I filled a spreadsheet w/ the max number of rows (65536 rows w/ 10 columns of data), and imported that into a new table in a new .mdb file. I copied the table 4 times, so I now have 4 tables of 65536 records each. Compacted before closing. Size was about 52MB. Assuming consistency, I calculate that the size limit would be reached in about 36 months.
262,000 records = 52 MB. 52 MB a month x 36 months = 1,872,000 MB.
Does my projection appear sound?
Thanks!
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Dec 15, 2014
I'm looking into storing query data in temp tables for my reports run better. From what I'm reading, it seems best to have the temp tables in a separate db, and to break the links to avoid bloating of the FE database. I'm unsure how to do this with VBA, especially since my temp database will be password protected. When do I break the link - when I close the FE database?
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Feb 19, 2006
Hi,
I'm designing a database in which the primary key is a combination of the first letter of first name, the first letter of last name and the date of birth.
How can I do that?
Regards,
CS
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May 6, 2013
I am currently using Access 2007 and have created a huge database for our investment managers to calculate the income based on percentages. The percentages are created in Excel. I have uploaded into the database both the June and the July percentages. When I run the query for my report using the date range for June, it works fine. When I request just the July information (entering the date range for July) the June data is doubled on the report.
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Apr 23, 2013
I am using calculated field as a data type in access 2010.
They are working fine.
However, I added a new field and now the final calc won't work.
I have Subtotal adding loads of fields together. Works fine.
Then I have a VATunit field which is a double integer, so enter 20 and my next field is VATTotal calculates the SubTotal + the VATunit by doing (Subtotal/100)*VATunit. This calculation is fine and gives me the correct amount.
The next field is a Total field. Which adds Subtotal and the VATTotal together. Howver, the Total is the same as Subtotal. It is not adding the VATTotal to it?
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May 8, 2005
I am doing my comptuer science coursework and one thing I need to include is "how does access stored files" and the basic description of file organisation. After some googlging around though I have found nothing, can anyone hlep me out on this?
Thanks
Chris
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Jul 27, 2005
Hello,
I am designing a query as i have been advised in the following Quote:
Doc ManNow, you write a couple of queries. As a parameter to the queries, choose a date that will be your archiving cutoff or split point. Usually the last day of some month or quarter. Doesn't matter as long as you are consistent about it. The technical cutoff will be, in effect, 23:59:59 of the chosen date. The first record to be KEPT will be 00:00:00 of the next day in sequence.
Query #1 - Compute stock on hand as of your cutoff date. Create a single stock-on-hand transaction with the cutoff date. Put it in a temporary table until you need it. This will be a two-layer query. I.e. a query of a query.
Query #1A - a summation query grouped by item number for all transactions earlier than the archiving date so you can get the "inventory of X at archiving date"
Query #1B - an append query that draws from the summation query and feeds it to the temp table. The stock-on-hand record will have the archiving date
.
I am able to get "inventory of X at archiving date" and append the results to a temporary table but I can't see how to append the "archiving Date" data itself to the same table as the "Archiving date" is entered via parameter prompt? Any ideas?
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Nov 4, 2005
Hi guys how do you store secure passwords in the database?
So that if someone has acess to the database they want be able to see what they are.
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Mar 10, 2006
Howdy
I know that you shouldn't store totals in Access, but I can't think of a way around what I want to achieve and wondered if anyone had any ideas.
An item on stock will move from one location to another, I will need to list the 'balances' of this stock at each location, easy enough to do, but there are hundreds of item movements per day and the users do not want a history of movements to be kept but do require an ongoing balance.
e.g.
100 of the item moves from A to B, this movement record gets deleted, how would I know that the item stock at A has been reduced by 100 and B raised by 100?
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Mar 31, 2005
Hi all
I have a database that stores customer records and their associated insurance details. I need to be able to track any changes made to that record within a set time period ie if details are changed fine it is reported next time report is run. But if details are changed more than once in between reports then first detail change is lost.
I would like to work out a way that changes can be written to a ??seperate version of the table?? and stored in there to be reported seperately and not just the final change as is the snapshot nature of a report? Is this possible? Could I possible make another version of the main table appended onto it? I feel I 'know' what I need to do but not how to even begin it! Any help would be appreciated.
DDiver
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Apr 11, 2005
I am currently designing a contacts database for my business and need some advice on how to store addresses.
As I see it, I can either use a single field and carriage returns, or multiple fields which for some records may leave some blank fields.
The data will be used to perform mailmerges and will also be output to a contacts directory and I would be looking to display the address both horizontally and vertically. Is there a simple way of manipulating a multi line field so that it can be displayed on a form across the page on one line in a report?
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Jun 24, 2005
I've created a simple database in which we enter order id (automatic), date (automatic), customer, po#, shipping date, and ship via.
then we scan the order (which may be from 2-20 pages long) into the computer so that we do not need to keep actual paper (trying to save on office space).
these files then get inserted the scanned object subform (containing the fields scan number, object, and order id).
I'm realizing that because we'll be scanning quite a few orders that this may take up quite a bit of space, i'm wondering if linking the objects rather than saving them within the database will help.
the only problem with this is that if we move the files containing the actual scanned images, that the whole system will get screwed up.
Does anyone have any ideas?
Thanks in advance
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