Best Ways To Store Data
Apr 12, 2006
Hi
I am creating a contact management database.
I have set it up and now need to create an invoice section. An invoice needs to be issued every month and is worked out on a percentage of works complete. For example in one job there may be 10 items of work and for 8 of these iems 25% of the work is complete and the other 2 no work has started.
Therefore my invoice needs to be able to calculate 25% of the value of the 8 items and work out a total price to be invoiced. Each time an invoice is created I need to be able to store the invoice value and the percent value of each item complete.
Does any one have any ideas as to a good way of doing this. That is if you can undersatnd what I am asking for. Thanks for any help.
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Feb 3, 2007
I've been here for two months and answered over 400 questions. I'm seeing a pattern here, and I have decided to post the best ways to make sure you are never answered.10) Blood, sweat, and tears are for losers. Spend no time figuring things out on your own.9) Announce almost ceremoniously that you have no VBA experience.8) Fail to use the search functions of this forum.7) Try to put every example you're given into a macro.6) Believe that this is the only source for answers, because Access Help provides nothing. Nothing, I tell you!5) Have us write your homework for you and then complain when you don't understand it.4) Post in German.3) Have a belief that your particular problem is the most important issue ever, and post in every sub-forum possible. Then bump it.2) Be vague, and then be belligerent.1) Have no appreciation for the people that are answering your questions in the first place. I know this sounds cold and mean and otherwise uncaring, but we are here to answer questions, not give you fish, as it were. This is a place to say, "I've done most of the work, but I need help over this hump," not "I have this crazy project/idea and I want you to write it for me." I've written over a dozen example DBs for people, and I know that I know what I'm doing. But, myself along with perhaps the majority of others that answer the majority of the questions, I'm asking on their behalf to please take the time to figure some of this out. If you can't do VBA, you are using 25% maybe of Access. If you can't understand your own DB, then asking us to fix it is a solution, but not a learning opportunity for you. If you can't understand what I'm getting at, it's that so many posts are the same. Again, I'm not trying to be an ass, but if you want to be a decent Access programmer and a programmer in general, then please, take the time to learn it. There are plenty of books (look at the bottom of this forum) and there are plenty of resources. I don't think any of us are teachers by trade, but the best teacher for something like programming is always trial and error. Programming is a language, a passion, a "something you figure out" if you will. If you're spoon-fed the entire time, you don't learn. I will continue to answer as I always do and I apologize if anyone was offended, but jeez, make sure you've tried everything offline before asking for help. And don't forget to search first, both here and Google.Sorry for the long read. :)
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Apr 17, 2008
Hello,
I was hoping someone can help me how to put the following statement in right format. I have 4 fields idResult, QuestionNumber, Description and Result.
So If Question Number and Description have same idResult then Result is (results are defined in the table) there are 30 combinations.
Many thanks,
Debbie
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Jun 7, 2005
I'm trying to find out what's the best (or good ways) to open and close a database (*.mdb) in ASP without
worrying about it staying open. The website stops running (page not displayed) after it has been visited several times
I think, or it's happening when I'm creating new scripts I made which crash several times during debugging. Not
sure what's causing it.
Here's how the db connections work. I'm basically using (includes) to do lots of this..
every web page that requires the DB, I do this format...
(includefile: open database)
(includefile: create constants/variables)
(includefile: load functions used)
- the html page, which access functions when needed -
(includefile: close database)
the includefile that holds all the function scripts does not open or close the db at all but only the recordsets
semi-example function
(function)
rs.open "", cn <--- the cn was opened in the database script
- blah = the stuff -
rs.close
(end function)
Is this a good way to work with the database? I'm using access. Yes, i know sql servers are better, but I was told that
since I have only access, I want to minimize the number of connections, so I open the database once during the page
being opened, and close at the end of the page.
Like I say, the problem is, the site works great for a while (no real visitors yet as it's new), but it suddenly says
"page not displayed" after a while. NORMALLY this happens when I'm making new functions/webpages and did the coding
wrong while the database is still open. I'm thinking it's crashing because there were too many errors during the database
being open.
PLEASE HELP!
BTW, is it possible to just run a script that finds ALL the open connections after a crash and close them?
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Dec 1, 2005
Here is my problem:
Say I have a products table:
PRODUCT
========
Prod_id
Prod_name
Dept
Type
:
It is now possible that some of the products can also be a product
group, and a product group would then consist of multiple products.
(Note: if a product is a product group as well, both of them have
the same names. therefore for consistency, if in future someone
alters the product name, that should be reflected for the product
group if that product happens to be a product group as well)
So, I started of by thinking that the products table should contain
a binary filed like "Is_this_a_ProductGroup", where for any product
that is also a product group, while creating or editing the product
the user would flag this field "Yes" and "No" otherwise.
S, my revised products table is like:
PRODUCT
========
Prod_id
Prod_name
Is_it_a_ProductGroup
Dept
Type
:
Based on some earlier suggestions in this forum, I tried to create a
junction table like
PRODUCT_PRODGROUP
=================
Prod_id
Prod_Group_id
and joined the Prod_id above to the Prod_idin PRODUCT table and
created a copy of the PRODUCT table and joined the Prod_Group_id to
Prod_id in the PRODUCT_Copy table.
I would like some help now on:
1. whether this design is really correct?
2. If so, how does one go about the process of data entry through
forms for these tables?
Any help is much appreciated. thank you
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Nov 24, 2004
I am currently building a db that will handle information on many events around the world. What I would like to do is set a check box that when people scroll through the different records they could check it and it (the current record they are viewing) will go into a compiled list wherein the iindividual record details of that list which the user created by their choices could be exported to an excell sheet (to automate a reporting need in the job) I have seen functions like this in large websites particularly the classified job sections in the seattle Times . where as you scroll through you see something you like you mark it continue scrolling mark another and then when you are all done you go to a page that has all and only your selections.
Can anyone tell me where to start on this one what am I Looking for Etc.
This will be the next big step in this my first database.
All help greatly appreciated
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Jun 30, 2005
I have a handful of misc. data that is unique an really doesn't fit anywhere... I need it to be easily updateable, as it will and needs to change from time to time, What should I do with it?
Some of the data is a "Common Footer" that prints on ALL reports and DOES change periodically. I decided to create a common footer table with a single value and can access it from all of my reports... it works great!
However, I now have a bunch of other misc. data that I need to store, like the "Working Year" (I am going to use the field to dictate which year of info to pull the data from) "Common Header", etc. Additionally, I am considering storing formatting data such as font size (still considering this).
So with all this explained, to sum it all up, what is the best method for handling all of this misc. data? I didn't think creating a separate table for each piece was the best idea.
Thanks for your suggestions!
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Dec 8, 2006
I created a report database that rely's on both default data and user entered data. Unfortunately the default data is going to be different for each office and needs to be easily updated as needed. So I created a "default data table" and named it DefaultData_tbl; and has these field names in it:
Office
Phone
Address
Fax
The personnel Main form is run from the Main_tbl with the exception of the items above (which reside on the DefaultData_tbl). This default data then needs to be automatically applied into the Main_tbl, via the Main form, which has Main_tbl as it's data source. Then the user does not have to keep filling in these textboxes for each personnel entry (unless it is different for a particular reason; which they should be able to change as needed and then automatically revert back to the DefaultData_tbl for any future personnel inputs). A personnel report (to file in their personnel records) is printed and will also need to pull from this table the items listed above (unless it is changed by the user for that one person they were entering in). The report name is NIPRNet_rpt.
For instance:
Say the Office is "Marketing"...
Everywhere on the reports, tables and forms that asks for the office should automatically put "Marketing" in the spot.
Now, if I get someone who is working in Recieving today, I should be able to update those office boxes with "Receiving" (just this one time) which will also have to be updated on the Main_tbl and NIPRNet_rpt (but should NOT update the DefaultData_tbl).
Then it should automatically revert back to "Marketing" when I pull up a new user
Putting this information in the default data under properties works fine, but I am sending this out to all the offices and want them to be able to easily enter in their particular default data. I don't want to have to create 30 databases all with default data set in them already. Plus, if something changes, like their phone number, I want them to be able to update this in their default data form and it be updated for future use.
I tried putting this in the Office textbox on the Entry Form:
=[Tables]![DefaultData_tbl]![Office]
All I get in the textbox is "Name?"
I would make it a Label instead of a Textbox to associate it, but the user has to have the ability to easily change this default data inside the form as they are filling it out. This updated data is also needed to update the Main_tbl and the NIPRNet_rpt.
I am racking my brain trying to figure out what I am missing here. The DefaultData_tbl will not have more than one record in it; as all it is doing is storing the "initial setup" default data to be used in reports and forms. Anybody know what else I can try to get this to work?
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Mar 11, 2006
Sorry if this is an elementary question, but here goes.
What I want to do is have Access run a query based on the user name "taken from a login screen". That query will return some values such as what team the Supervisor is responsible for, what days off his team has etc...
This information will be used to display all other queries that particular sup runs. When another sup signs in obviously the results will be different
And onto the problem
I have the query running and displaying the result in a datasheet view. I created this to see if the queries work. Now what I would like is to do away with this query (it pops up at startup) and have access save the user name in memory instead of running this query. I also need to figure out how to reference this "user name" piece of data, that will be in memory on the queries.
would appreciate any help you can give on this topic. I have been trying to solve this issue for a loooooong time.
thanks again,
Ricky
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Jul 28, 2005
I would like to know if I can control what field the check box enters the -1 value in my record depending on a value from another field in that record.
In my table called workbook I have fields called, phone type which is a text field, wall and wm entry which are both yes/no fields. I want to put one check box on my form to check when a wall mount is needed for the device. The thing is there are two different wall mount sizes. So I need to check the phone type field on my form, if the value is ENTRY then I need to have it enter -1 in the WM Entry field. If the field anything other than ENTRY then the -1 value should go in the WALL field.
Can this be doen and how do I code it?
Thanks in advance
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Apr 23, 2014
I'm trying to use a form to store some usefull data on my database.
I'm using the DefaultValue property of the TextBoxes in this code:
Code:
Sub Comando17_Click()
Testo4.DefaultValue = """sasso"""
Testo6.DefaultValue = """sdr"""
Testo0.DefaultValue = Testo0.Value
DoCmd.Save
End Sub
Comando17 is the name of the button to run the macro
Testo4, Testo6 and Testo0 are the names of my TextBoxes
sasso and sdr are the values I want to set as Default
When I run this macro it changes the DefaultValue property on VBA local variables and the Value property, but the DefaultValue on the form structure remains unchanged.
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Nov 10, 2013
I am trying to add an attendance records to my database but cannot figure out how best to do it..I already have a 'children' table were all the kids info is stored and have created a 'roll' table.
i want to be able to open a form and search first and/or last name from the 'Children' table, then be able to save both first and last names and the date into the 'Roll' table. (then open reports etc later based on dates)how to pull data from one table and store it in another.
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Mar 11, 2013
I'm thinking of 2 different ways, but not sure how Access will handle them.
1) A table that maintains the start and stop date of the relationship (i.e. employee has a job title from a start date to an end date).
This is the ideal, but I'm concerned about the number of records. The database will store 3,000 employees and I'd estimate around 2000 changes a month can occur to the employee data (transfers, hires, promotions, terminations and all cascading changes on dependent information).
2) A different database for each month/year. (i.e. Employees_March2013, Employees_April2013)
I don't have concerns about the number of records, but I'm not sure how the front-end will work with multiple back-end databases. Is there an easy way to setup a form to choose which "effective date" of employee information you'd like to choose and have it link to the correct back-end at that point before running a query/report?
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Oct 10, 2012
I have 2 tables one, Contacts, primary key ContactID this table contains names, addresses etc and one group called Form primary key Form ID, foreign Key Contact ID. I want to store the related contact ID in my form but display firstname ad surname from Contaacts list. This works fine when I am selecting name. List box shows 2 columns with correct data but when I recall the form after making other entries it only displays the firstname. The correct ContactID is stored. Why does this happen.
If I can get this working I would like to concatenate the Firstname and surname to make it more readable but don't know where to begin.
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Oct 15, 2006
Hello,
The title says it. I want to store 500KB text data into a memo field. How can I do that?
Someone told me there is no limit on the size of a memo field, up to the maximum for a .mdb file of 2GB!!!
Your help would be greatly appeciated.
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Oct 7, 2014
Is it possible to create a field in a table that stores only two possible data choices: a check or null value ?
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Jul 2, 2014
In my form, when a button (cmdContactedToday) is clicked, a text field to the left (txtDateContacted) is updated with today's date.
However, before this happens, I want the the current date in txtDateContacted to get stored in another (hidden) text field (txtPreviousDate)
Then when another (undo) button (cmdUndoDate) is clicked, the date in txtDateContacted should get replaced with the date in txtPreviousDate.
I've made it as simple to understand as I could.
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Dec 2, 2012
How to insert a timer in the PropertyFrm Form in the Access Database attached to this message. When a user opens the PropertyFrm form I want the timer to record the number of hours, minutes, and seconds each user spend time on a record including the current dateand have the data stored in the Timer table.
When a user goes to another record, I want the timer to reset and store the hours, minutes, seconds, and current date on another record in the Timer Table and so on. If the fields and data types in the Timer table is not created properly.
I do not want the time and current date to be displayed on the PropertyFrm Form. I want the information to be stored in the Timer table.I do not want the user to see the hours, minutes, seconds and current date information on thePropertyFrm Form.
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May 7, 2013
My department handles all two-way email communication with our customers. We have 8 different email addresses that we use depending on the customer service issue. I'm looking for a way to continuously collect 3 pieces of data from every email that is received: 1) Date Received, 2) Time Received, and 3) To Field (which of the 8 email addresses it was sent to).
As you can imagine the collection of this data to look for trends to assist with staffing needs, as well as analyze build reports for the company to review. I've been working with my IT department on this but they are not sure where to start. My guess is that I need to have them collect the data as it is coming into the email server, right? I'm good with VB and I've built some VBA scripts recently that collect Outlook information, but these only work if the computer I'm using stays on all the time which is not always practical. We'd like to have this database stored on one of our shared drives which collects this data indefinitely from our email server.
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Jan 28, 2015
I am writing the following code that will first of all display column headers dynamically using "Headers" field data from Access table and then find out the sum(volume) using column header and first column values. The following code works fine to display headers dynamically in Excelsheet from Access table but doesn't display sum(volume) in all the corresponding cells. As I can't attach the Access table so I have stored data from Access table to sheet named "Access Data" as attached. The sheet2 named "Report" should populate total volume .
Code:
Public Function Inputdata()
Dim cn As ADODB.Connection
Dim rs As ADODB.Recordset
Dim r As Long
Dim i As Integer
[code]...
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Oct 1, 2013
I have a very large Access application and use a hidden "main switchboard" to store data such as the current customer ID. Prior to the advent of tempvars, I embedded a key control into many query's underlying combo boxes, list boxes and forms criteria:
"Forms![main switchboard]![currentcustomerid].
The problem arises when the user quits the application on with forms using this in their underlying query(ies). As far as I can tell, the application closes forms in the order in which they were opened, so the "main switchboard" closes first. Then, for some reason, the current form has a requery and the user is presented with a prompt to enter the parameter "forms![main switchboard]![currentcustomerid]. I tested and found I could replace the criteria reference to a tempvar to "fix" the problem. I wonder if there would be a way to open every query in design view and do a search and replace on the criteria statement.
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Mar 24, 2014
I am a beginner working with access (2013). I am looking for a way to retrieve data from one table and store these values in a other table. The tables are in the same database.
For example:
Table 1
Input [OrderNr]
Input [Nr] (linked to Table 2 [ID]
Input [Amount]
From Table 2
Get [Product]
Get [Unit]
Get [Price]
[TotalPrice] =[Amount] * [Price]
The result should be wiewed as a datasheet.
Problem 1
I have made the form and the links between the tables and it works alright on screen. Except the sum-function It does not work. I can only get the amount of items in the summery field for column TotalPrice. Is it because it is a column for calculated values? Other columns including not calculated numeric values works alright with the sum-function.
Problem 2
The data from table2 will not be stored in table 1
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Jan 9, 2006
if you are asked to store only the month, or only the month and year, how do you do it? tnx.
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Jul 9, 2007
I was once told that Access does not like to store calculated values but I would like to.
Here is my expression: =([Shift Lenght]-[Total idle time]-[Total down time])/([Shift Lenght]-[Total idle time])*(0.33*[Total pc])/([Shift Lenght]-[Total idle time]-[Total down time])*([Total pc]-[Total scrap])/([Total pc]+0.1)*100
This gives me the value that I desire, now I need to store it in the table with the rest of the records data.
I am planing on storing 3 -4 expressions like this and then averaging them.
Then building a query to the averages for the day,week,month, and year.
Please be gentle I am not very familiar with access but learning a lot:)
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Mar 17, 2005
Hi hope someone can help,
What I’m trying to do is work out price per quantity, at the mo I have a database that has products and price so lets take paint for an example.
If I have a 5 litre pot of paint and I’m selling it for £10 I would like a field that tells me the price per litre, so what I’m think I need to do is have a field called ”price” and divide it by a second field called “quantity” and output the sum to a third field called “price per litre” which populates the database.
Sadly I haven’t got a clue how to do this with access and if anyone can help it would be much appreciated.
Thanks
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Jan 12, 2005
In everyones opinion what is the best way to handle picture uploads in an Access database?
One picture for one employee, where should I store the pictures. I know that keeping pictures in the database eats up space and really can slow ya down. Make a new folder just for pictures??
Thanks fellas and ladies.
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