Difference In Numbers
Aug 17, 2007
How can we calculate a difference of column
Example
when I have a table containing a single row i.e.
Numbers
66
45
23
52
523
563
452
133
Now I required a query that must show a difference like this
Numbers ------------------ Difference
66 ------------------------ 0
45 ------------------------ -21----------- (45-66)
23 ------------------------ -22 ------------(23-45)
52 ------------------------ +29 ------------ (52-23)
523 ------------------------ +471----------- (523-52)
563 ------------------------ +40 ------------ (563-523)
452 ------------------------ -111 ----------- (452-563)
133 ------------------------ -319 ------------(133-452)
So it is possible or not
Please tell me
Waiting for reply
Thanks
Ashish
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Jun 21, 2007
I am making a query and I need to be able to determine if two number fields are with in 2.5% of each other. How would be the best way to go about doing this. I have two distances and I need to display them if there is a differenece of greater than 2.5% in them.
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Oct 25, 2013
Is there such a calculation in REPORT wherein I can have the Running Difference of several numbers?
Example is several Kilometer reading of a vehicle:
18716
18731
18742
difference of red color numbers: 15
difference of 2nd red color number and blue color numbers: 11
total: 26
I don't even know if my calculation is correct ...
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Aug 12, 2014
I'm having multiple problems with my database like things such as -
i'm currently working on the Query 2 - On the Phone database (ignore Query 1) and i want to search for multiple plot numbers preferably in one parameter prompt with a comma to seperate numbers. (this could be a multitude of numbers so i would like to be able to input as many as needed). Also when i do search on this query since the Criteria is a 'Between' Value i would expect everything between the 2 numbers input to show up - but a lot of numbers out of the range show up too - why is this? (The Numbers are like "69 to 136" and they will show up - but 1-69 and 136-170 would too
I would also like to implement the search results from Query 2 into the Form i currently have made but it just opens up a access table when the search is made?
i cannot link my database as it is too big for the server - But here are the Criteria for Query 2:
Plot No - (criteria = Between [Enter First Plot No:] And [Enter Last Plot No:])
Site - (criteria = Like "*" & [Enter Site:] & "*")
Product - (criteria = Like "*" & [Enter Product:] & "*"
The Query is the one im most concerned about , i can live without a form.
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Jan 10, 2007
Ok so in excel I have some numbers that are stored as text. The reason being that they are zip codes and some begin with 0 and excel doesn't want numbers to start with 0....so when I import these into an access field that has an input mask for zip codes...will it convert these correctly since the field is a text with input mask?
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Aug 24, 2014
I have 2 fields that I would like to automate if possible
One field is called "p/o number" and another field called "line no"
These fields are part of an ordering database
Let say I have 200 items to purchase form 10 suppliers
And form example 20 items from each supplier
What I do at present is put the order number on each line item and the line number
example
p/o number line no
1 1
1 2
1 3
2 1
2 2
2 3
2 4
What I want to do is just put the first po number in the required line . Put the first line number in i.e. "1" and the macro will complete all the p/o numbers and line numbers for me as per the ones marked in red.
Example
1 1
2 2
3 3
2 1
2 2
2 3
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Apr 28, 2007
Could someone clarify the difference between DAO and ADO?
We migrated to Office 2003 last year - some large organizations move at the speed of continental drift. The database is written in Access 2002 (finally have most of it up and running - with thanks), but I need to really understand the difference for the documentation - to see if there are any issues that might undermine the database during the upgrade.
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Feb 24, 2008
Hey
How can I calculate the difference between two rows like:
value____diff
4________4
7________3
12_______5
/Thanks
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Oct 28, 2014
I have a table with fields like this one but the weeks go all the way up to 52. What I am trying to do is count the number of consecutive zeros and if it is more than five, count how many of the following fields have a number in them and if that number is less than the number of zeros preceding it identify that person.
For example Joe would be identified below because he had 6 consecutive zeros and then he had 5 weeks of numbers immediately following the string of zeros. Bob would not be identified because he had 5 consecutive zeros and then 5 sets of numbers immediately following the string of zeros so the zero frequency isnt higher than the number frequency immediately following.
ID
Name
Date of Hire
1
2
3
4
5
[code]...
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Jun 2, 2005
Hi, I have two tables, one being a subset of the other. What I want to do is write a query that lists data in the larger table that is not in the smaller one. In effect I want to subtract the data in the smaller table from the larger table and list the remainder.
I have tried something like:
Select a.oem from a,b where a.oem not in (select b.man from b);
This query does not complete and I get 100% CPU usage :( . The largest of the tables has roughly 4000 records in it. Any ideas? Am I doing something wrong?
Thanks
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Jan 18, 2006
I have a Transactoin Table that holds the following fields:
TransID (*Primary Key Numerical Value)
OrderID (Non Unique Number Value, One Order can have multiple Transactions attributed to it.
Status (Numerical Value ranging from 0 to 32, each is a different phase in the life of a transaction such as 0 means Transation Created, 1 through 31 are various actions with 32 beign the transaction closing)
Date (The date in which a particular phase of a particular transaction happened.)
Reason (The Description of a phase. This is the only text field whose contents are relative to the Status field in the same table.)
I need to find the amount of time passed from the first Transaction to the last transaction of each individual order, which will be displayed in a report. Unfortunately not every order goes through all 32 phases, in fact most dont. The individual orders have a random amount of phases that they go through but each have a starting one (which ranges from 0 onwards) and an ending one (once again it is not necessarily 32). The dates correspond to the numbers in an individual order which means that if an order has the following phases:
1
2
4
6
Then the dates of each phase will be one after the other like the Status Number as shown above. Anybody knows how to do this? I need to find how much time passed from the first transaction to the last for each individual order qand display it in a report.
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Jan 30, 2006
This has probably been raised before but here goes anyway.
I have two fields in a table: time_in and time_out, both as date/time fields and formatted for short time with a mask in the form.
I need to calculate the time spent, i.e. time_in 10.00, time_out 12.15 therefore 2hours 15minutes.
any help much appreciated.
Jim
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Mar 25, 2008
hey guys im not even sure if i have the heading right for this one.
I have a table example data attached,
what i would like to do is return all transfers from that table where all the item numbers in a batch dont equal each other i.e if you subtract them all in a batch it doesnt = 0
i have know idea how to do this and dont know if this is even the right way of doing what i need which is to show transfers where some1 has transferred a product to a different one which we do want to have happen we just need to know when it was done.
any suggestions?
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Oct 12, 2005
I have an existing table with a field labelled Job Number (17 Job Numbers). Each month I import a new table and match each record via another field (serial number). For each new record, one or many, I want to attach a sequential Job Number. In this example the new job numbers need to start at 18 then 19 etc. How is this possible? I am fairly new to Access so please be gentle!. Cheers
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Mar 8, 2006
Hello:
I have a report with three text boxes:
Box 1 contains an employee's total weekly hours in hours and minutes: 40:00
Box 2 contains the actual total hours worked for the week: 35:30
Box 3 is the difference between Box 1 minus Box 2
I tried all the date/time functions to calculate the difference between Box 1 and Box 2 and none of them worked. I keep on getting an error message. Does anybody know how to calculate the difference between two sets of time (in hours and minutes)?
Thank you in advance.
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Apr 13, 2006
Folks,
Newbie to this forum so please be gentle. I am a relative newbie to acces but i seem to be picking it up quite quickly.
My problem is this:
I have an enquiry form made up and a button on the form that will generate a number by using the following code:
Private Sub EnqGen_Click()
On Error GoTo Err_EnqGen_Click
Me![Enquiry Number] = NewEnqNum()
Me![Customer Name].SetFocus
Me![Enquiry Number].Enabled = False
Exit_EnqGen_Click:
Exit Sub
Err_EnqGen_Click:
MsgBox "Error " & Err & ": " & Error$
Resume Exit_EnqGen_Click
Exit Sub
End Sub
Public Function NewEnqNum() As Long
On Error GoTo NextEnq_Err
Dim lngNextEnq As Long
lngNextEnq = DMax("[Enquiry Number]", "Enquiry") + 1
NewEnqNum = lngNextEnq
Exit_NewEnqNum:
Exit Function
NextEnq_Err:
MsgBox "Error " & Err & ": " & Error$
Resume Exit_NewEnqNum
Exit Function
End Function
This code works perfectly and generates a new enquiry number for me.
The end user now wants to change the format of the number to read like this 06-0001, whereas before i was using 60001.
What i would like to know is there anyway i can increment the last 4 digits only? i.e remove the first 3 digits, 06-, increment the 0001 by 1 then reassemble them back together.
Thanks for your help.
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Jul 17, 2006
How do I calculate the values between two columns and populate a third column with those new values? I have an ''Actual Cost'' column and ''Budget Cost'' column and I would like to create a third column ''Margin.''
Is this something that needs to be done with a query or can it be handeled in the design view of a table? I'm starting to learn that Access works nothing like Excel.
Thank you in advance for any help. I scanned some of the threads in this forum, but many were beyond my comprehension. Any walk-through of this procedure would be much appreciated.
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Jan 12, 2007
I have four fields
Date Sent (date) Time Sent (Time) Date Recvd (date) Time Rcvd (time)
I want to know how many hours have elapsed between date and time sent and date and time rcvd
Any Ideas please as I am having a blonde moment
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Mar 15, 2007
Hi guys am not sure if i got dis in d correct forum (forgive me if not)
Just wanted 2 know what's d diff btwn a thread & a post (if d's any)
Noks
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Jun 18, 2007
Hi there
I am trying to get a very simple thing done in Access and I must have spent almost over 2 days of Internet time to do so. My problem is that I need to get the difference in 2 records to show in a query.
e.g. MyTable has 2 fields: 1. MyDate 2. MtrReading
Everyday I enter date in MyDate and a number in MtrReading. And I need to find out the difference between today's MtrReading and Yesterday's Mtr Reading.
Any help is greatly appreciated!
Thanks
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Apr 8, 2008
Can someone tell me the difference between 'Call' and 'DoCmd' and how each are executed. For my level of programming, an newbie at that, I've used it interchangably so far without a problem. But I'm beginning to think that there is a difference. I don't want to later have to go back to redo my code down the line. I'm beginning to think that I've been very lucky so far in being able to use it interchangebly and my luck will run out soon.:eek:
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Nov 3, 2006
Hello all!Maybe strange, but I have litterely created a new database from my "old" one. I did this because I thought the size of the database was growing way to fast.What I did was open two instances of Access, one with a new empty database open and one with the other "old" database open. I manually created all tables, queries, forms and code again by selecting everyting in design view, copying it, creating a new table/form/query/module in the empty database and pasting the data. After that I had to set some properties and it was ready to go. After compiling and compacting the new database was just 718kb in size. Empty that is. Then I added a couple of cases, compacted again, added some more, compacted again. (copies of the same data on different records). The same I did with the other "old" database.Both now have 12 clients with 2 cases (totalling 24 cases) every client and every case existing of the same data.The new database is now 1.120KB in size, the old one is 2.096KB. That's almost double. The only real difference between the two that I can think of is that one has a 20KB image tiled on the background of each form (the same image though) plus, of course, in the one database I've been designing, adding, deleting more.But how is it possible that these data sizes are so different? 100KB difference, ok. But almost double the size? How is that possbile and why? Are there things I can do to keep it at bay apart from using the Compacting and Reparing option? Plus: Is this normal?Edit: I emptied them. One is now 812KB in size empty, the other one is 1496 empty. Still... double the size. ?
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May 25, 2005
Hi all,
I've just started a new job and one of the things they have got me doing involves getting some extra reports out of some access databases they have for the phone system. I've managed OK so far but I'm stuck on regarding phone diverts.
Basic jist is, when reception is unmanned they put the phone on divert and when they come back they take it off again. Simple and this info is recorded in the log file which is pulled into access each night.
The problem is all of the information is kept in a single table which I run a query on to get the info to look like below. The info is exactly as it is in the table, just that I have limited it to the reception user and where the func is like *54* or *55*:-
DateTimeUserFunc
03/05/200511:40:00Reception*54*200#
03/05/200511:47:00Reception*55*200#
04/05/200511:35:00Reception*55*200#
04/05/200511:40:00Reception*54*200#
04/05/200511:59:00Reception*55*200#
05/05/200509:57:00Reception*54*200#
05/05/200510:08:00Reception*55*200#
05/05/200512:10:00Reception*54*200#
05/05/200512:17:00Reception*55*200#
05/05/200512:19:00Reception*55*200#
The FUNC *54* means put on divert and *55* is off divert. What I need to figure out is the time between each of *54* and *55* and total them for all the data in the table (we have a table for each month). The problem I can see here is that occasionally the receptionist will put in the *55* first which doesn't mean anything so this bit would need to be ignored as only bits where its a *54* followed by a *55*.
Hope this is self explaintory and that someone is able to help. I have attached a CSV fle on the table so you can have a play with it if you can help.
Thanks in advance!
Regards,
Andy Roberts
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Jun 27, 2005
In access in one field I have one date and in another field I have another date. I want to calculate the number of years.,months and days elapsed between these two date. e.g. suppose in one field I have 30.06.2005 and in other 20.04.2004 then it should show 1 year 2 months and 10 days.
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Jul 11, 2005
I have a table that contains a significant amount of data. The columns are as follows;
ID, WeekNo, Ref, Cost
What I want a query to do is only show me differences in Cost value where the Ref is the same
For example
ID, WeekNo, Ref, Cost
1, 1, ABC, 123
2, 1, DEF, 456
3, 2, ABC, 123
4, 2, DEF, 789
The query I would like, would only show me the result of Rows 2 & 4 because the value of cost is different between the weeks.
At the moment I have two queries, One that pulls out the last weeks value (WeekNo 1), and the other that pulls out the same information but for the comparison week (WeekNo 2). In the third query I created I linked the two columns from the Ref fields, but could not work the logic to only show me ones where the differences in cost were displayed.
Thanks in advance of the resolution to this. I know it is basic query work, but just have a logical block in getting it to work.
Regards
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May 12, 2006
Hi, I have the following expression in my query;
Worked Hours: DateDiff("h",[Start Time],[Finish Time])-[Breaks]
Start time and finish time appear as hh:mm and breaks is stored as a decimal i.e. 15min is 0.25, 30min is 0.5, 1 hour is 1.
The expression works fine when e.g Start 07:00 Finish 17:00 with breaks as 30min(0.5) gives the correct value of 9.5 hours worked but if the finish time was say 17:30, rather then show the correct value of 10 hours worked, it shows the wrong value of 9.5.
Could someone please tell me where I have one wrong and how to sort the problem, or offer me a different solution.
Thanks
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