Query Math With Dates

Aug 18, 2006

I want to have a query that will subtract a Due Date from todays date and tell me how many days are left/passed in either a positive number or negative just like the DateDiff Function. how do i do this?

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Math Help

Aug 21, 2006

I have an artwork book which I am cataloging. Each page of the book contains 24 pices of artwork.
What I need to do is display a page number to whatever record number I enter into the field.

Example 2: I enter any record number from 1140 and the field will display 48 for the page the artwork is on in the book.

Example 2: I enter any record number from 1153 and the field will display 49 for the page the artwork is on in the book.

Example 3: I enter any record number from 457 to 480 and the field will display 20 for the page the artwork is on in the book.

Thanks for any help I can get on this

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Best Way To Do The Math

Nov 10, 2004

I am a wiz at formulas in excel but am not sure yet how to make them work in access. I have a main form into which I put the date recieved of many items for each facility. Next to each of the dates I have entered I want to have a non inputable text block that will look at the date then do the necassary math automatically. Some of the formulas will also contain conditional statements based off of a date, type and rating. Can anyone suggest the best way to do this or point me toward a resource that explains how to use formulas in access. Here are a few examples of the formulas that are already in place in the excel version.

=IF(I28="Unsatisfactory",C28+60,(IF(F2="AA&E",C28+365,(IF(F2="Major Funds",C28+365,C28+1470)))))
in the above formula C28 is a date entered by the user, otherwise most formulas I need to input are simply (date + 1 year or date + 4 years)

Any advice would be greatly appreciated.

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Jul 20, 2007

What the best way to perform math functions on data in a table? I have a form and a subdatasheet in it. I want to be able to: Average out data in cells. I.E One field will have a list of numbers and I want to be able to average those out.

The other is that i want to be able to check the previous cell(year) and see if the number has gone up or down?

Many Thanks :)

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Failed Math Can't Add

Dec 4, 2004

I have 6 fields that display a price based on a combo box selection
I can get one to subtract from another but not all add up
It should also be a running total so it updates as I pick more options

And how can you get the combo baxes to start out blank they all have
selects already made when I open the form


Thanks I'm fairly new to access

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Failed Math Update

Dec 5, 2004

Its in the control source of the text box I want the total stored in
=Forms![Estimate Maker]!Tank.column(2)+Deck.column(2)+[Internal Valve].column(2)


The data entry setting did the job thanks much

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Math Operations On Values Question

May 13, 2005

I have created a table that holds the inventory information of some items i have in stock. What I want to do is this:

1.)When a customer orders something, i enter the quantity ordered and hit a process button. When this button is clicked it automatically reduces my inventory count to reflect the reduction

2.)When I receive shipments, i want to enter the information and hit process so that it automatically sets my inventory counts to reflect the addition of the new units

I am having trouble figuring out how to go about doing this. I was thinking of somehow setting up some textfields and then adding buttons that set fields accordingly.

Any help would be most appreciated.

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Forms :: How To Do Math With Two Different Units Of Measure

Oct 30, 2013

I have a table with some prices that are charged by the pound and some that are charged by each.

tblPrices
ID 1 - 1.00 per pound
ID 2 - 1.50 per pound
ID 3 - 2.00 per pound
ID 4 - 5.00 each
ID 5 - 7.00 each

My form is set up so that way I count how many containers I have and their weight, separately. I need ID 1 through 3 to do the math based on the pounds (essentially $1 per pound at 36 pounds) and ID 4 and 5 to do math based on how many of each are there ($5 each, and there are 3 of them).

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Dealing With Null Values In Math Expressions

May 11, 2006

Hi all,

I am in desperate need of some advice. Today I set to work building some math functions in my queries to calculate delays/turnaround times for work, etc.

I have found that where there are null values in my table - the calculation seems to break down.

Let me explain...

In it's simplest form (I have removed some fields and will deal with DATE only, not TIME which is a seperate field) I have the following -

Date_Received
Date_Started
Date_Pended
Date_Recommenced
Date_Completed

I have the following expressions in my query -

Turnaround: Date_Completed - Date_Received
TimePended: Date_Recommenced - Date_Pended
TimeInactive: Date_Started - Date_Received
Workrate: Turnaround - (TimePended + TimeInactive)

The query calculation will only work when all fields contain a value.

For instance, sometimes the work may be started, then completed. Skipping the 'Pended' and 'Recommenced' steps.

Can anyone tell me what I need to include in my maths for Access to treat a null value in the table as zero? Or any other approach.

Please help!!!!!

Thanks

Rob :eek:

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Help A Newbie Understand Simple Math Functions

Aug 6, 2006

I am completely new to Access but probably all I will need is a gentle push in the right direction. I'd like to think I'm fairly quick at learning new things. Thank you in advance, here's where I am, (first step anyway):

Table 01 Parts List
ID - name - cost

Table 02 Item List
ID - nick name - description

Table 03 Items to parts relationship (this is where I fall apart)
ID - Item ID (relationship to table 02) - Item nickname - PartID (relationship to Table 01) - Part name - Part quantity.

What I am trying to do:
I resell items in table 02 which are built of various parts from table 01. I need to generate a table that says:
Item 1 is built from 4 of part 1, 2 of part 2, 9 of part 3, and the total cost of parts for Item 1 is x. I want to update the parts list cost on a regular basis and have the item price change reflected.

If I can understand how to make this work, I can ultimately add in labor and overhead etc etc. Baby steps for now.

Thanks again
-Richard

PS
Here's a copy of my sad little db

http://www.biggsandsmith.com/temp/Trial-db2.mdb

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Forms :: Performing Basic Math On A Specific Column / Row

Oct 10, 2014

how to do anything with it outside of tables and queries. I have been tasked with creating a form to do fairly basic things. Via tutorials I have managed to use the Expression Builder to do virtually everything I need except one thing.

I need to pull a value from row 2 in a specific column from a subform and subtract it from row 1 in the same column and subform leaving behind a + or - number for the user. Similarly, I need to do the same but subtracting the LAST ROW from row 1. If there is only one row at the time the operation is being performed, a value of No Data needs to be returned instead of a number.

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Forms :: Dates As Column Headers To Update Table With Dates As Rows

May 12, 2014

Any way to have a form with Dates as column headers to update a table where the dates are stored in rows???

The table set up is like this:
tblOpHdr
DiaryID (PK) - OpDate (Date)

tblOpDetail
DiaryID (FK) - CostCode - MachineNumber - MachineHours - etc

I'm just wondering if there's any way I can do this with a datasheet or a crosstab type setup?

It's Access 2010.

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Queries :: Calculate Expiry Dates Of Training Courses - Due Dates Not Shown

Aug 28, 2013

I have built a query to calculate the expiry dates of training courses but I am trying to input a criteria so that only dates within 90 days of todays date show. I am using Date()<90 but it doesn't return the correct information. What the criteria should be for this?

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Can You Query A Range Of Dates With A Range Of Dates

Mar 17, 2008

I have a client that wants to enter a range of dates in a query of when they will call that person back. Then they want to be able to type in a range of dates and have a make table query show them all the people that fall in between these two dates....is this even possible???
Ex.
Joe March 3 to March 8
Mary March 4 to March 9
John March 5 to March 10

So if they type into the query March 3 to March 6 all three people should show up because one of the dates specified lies within the parameters they are asking for.....man I am out of ideas

Anyone.....

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Dates In A Query

Oct 30, 2005

I have a report that once clicked a form comes up to choose the dates one would like to filter by. It has a Start Date and End Date. After the user picks the Start Date and End Date the report will be shown for those dates. The record source for this report is a query

I wanted to use this same date picker form for another report. I included the same expression into my query but I keep getting an error.

Field: Expr2: [LogDate] Between [forms]![frmWhatDatesWorkLog].[txtRecvStart] And [forms]![frmWhatDatesWorkLog].[txtRecvEnd] Or [forms]![frmWhatDatesWorkLog].[txtRecvStart] Is Null Or [forms]![frmWhatDatesWorkLog].[txtRecvEnd] Is Null

Criteria: True

When I tried that I get the following error: "The Microsoft Jet database engine does not recognize '[forms]![frmWhatDatesWorkLog].[txtRecvStart]' as a valid field name or expression.

I don't know why I get this because I use the exact same thing in the other query and it works perfectly fine.

Any suggestions?

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Help With Dates In Query

Feb 9, 2006

Hi All

This is pretty urgent so your help would be greatly appreciated! I need to do a query where i can find companies who were telemarketed between the dates of 01/01/2006 and 31/02/2006. When i type this in the criteria box however, it fails to do anything. PLEASE HELP!!!


Many thanks

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Dates In Query

Apr 12, 2006

I am trying to create a query in Access to select records from a table depending on the value in a Date field.

I need the query to select records which have dates between or equal to 01/09/last_year and 31/07/this_year.

Can anyone advise how I can do this?

Thanks in advance if you can help.

Gary

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Help With Dates In Query

Jun 1, 2006

Hi all...

I have two queries feeding into one query that gives me a desired result. However I need it to do this..

Right now is show everything that has an incident On 07/04/2006 ( #07/04/2006# ) and before.. that part works.... What I would like it to show is if it has a hit for any 07/04/YEAR..... so if there is an incident for 07/04/2005 and an incident for 07/03/2004 show me...

Right now all of my dates look like this in the criteria section of the queries:
(one query looks for same locations on 7/4/2006, one query looks for that same location on or before 7/4/2006 and the last one tells me if there are any matchs)


q1= #7/4/2006#
q2= <=#7/4/2006#
q3= <=#7/4/2006#

How do I show for any year??
R~

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Dates Query

Nov 22, 2006

Hi there,

I'm making a database for a small library collection. I want to make a query for all overdue books, so if the Date which the book is due has passed, it will come up in the query. What do I put beneath the 'Date due' field?

So If 1 day has passed that date, it will be overdue.

Thanks for any help.

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Query With Dates, ...help Pls!

Dec 15, 2006

Hi,

i want to create a booking system but i've a problem

i've these tables


cars

_ car_id
_ car_name


booking

_ book_id
_ book_start
_ book_end
_ car_id_fk



and the following data:

car 1: booked from 11.01.2007 until 14.01.2007
car 1: booked from 19.01.2007 until 24.01.2007
car 2: booked from 02.01.2007 until 28.01.2007
car 3: booked from 25.01.2007 until 29.01.2007
car 4: no booking

how can i make if i want that a query show the available cars
for the period (example): 12.01.2007 - 16.01.2007 ??

'cause i've found something and it'll show me car 3 and car 1 available..but the problem is that car 1 is still out on the 12th of january..(cause this query will show only the cars already booked in other periods that don't interfere with the request).

How can i make a query that shows the cars available and NOT those periods??

thx in advance

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Between Dates Query

Mar 19, 2007

Im trying to build form with two calendar controls which asks query for records between two dates.
Calendar control works fine, no problem with that, but my query isnt.

What im trying to do:
I have a table with records, each record has field with date of creation (for example 2007.11.25.) formated as date/time (im working with latvian local settings)

In my form, I have a two text fields which referes to each calendar control, so in query (whith is trigered by comand button) i have formula like this:

Between [Forms]![Form1]![text5] And [Forms]![Form1]![text7]

Everything seams to be fine (for me :)) but if im searching dates between 2007.01.01. and 2007.03.01. im getting not only correct records between those dates, but also random records from last year.

I have tryed many diferent formulas, but nothing is working, Im stuck in this.

Ofcourse, my problem is that Im not good with VBA :) I dont understand it at all :)

Sorry if someone allredy posted solution of my little problem somewhere in Jungles of these Treads :)

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Help With Query And Dates

Jul 29, 2007

Hello,

I've created a query that finds all of the dates for specific types (monthly, quarterly, semiannual, annual) of evaluations. It works great, shows all evaluation dates for each person.

What I really need it to do is just show the most recent (i.e. latest) evaluation date for each person. Each person could have 10 or more records; just need the latest one. Eventually want to update a table that has a last evaluation field on it for every person.

I have set the top values to 1, but that just showed the latest of all the evaluations (i.e.one person). I couldn't seem to find any clues in the forums. Anyone have some suggestions/pointers?

I've attached the query and main tables.

Thanks:confused:

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Between Dates Query

Apr 18, 2008

Hi everyone, I am a relatively inexperienced access user and I am having problems with a query on my database.

Im creating a hotel reservation booking system and I want to run a query that will show active bookings on a certain date. For example, if i enter the date 2/1/2008 I want it to show bookings made from dates that span this date.

Example

Booking Start Date Booking End Date
31/12/2007 4/1/2008
1/1/2008 3/1/2008

So now if I enter 2/1/2008, I want these 2 records to appear. Any advice about how to do this? It all seems a bit complicated to me

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Query With Dates

Apr 5, 2006

Dates drive me nuts!!

attached is a db. I'd like a query to count BMdetentions and BmRTC in a 30 day period where the count is >2.

for the life of me I can't seem to figure it out.

Any help is appreciated

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Queries :: Access 2007 - Select All Dates Between Two Dates?

Apr 9, 2015

I have a table of records, which has within it two date fields (effectively, a 'start' and 'end' date for that particular record)

I now need to create a query to perform a calculation for each date between the 'start' date and the 'end' date

So the first step (as I see it anyway) is to try to create a query which will give me each date between the two reference dates, in the hope that I can then JOIN that onto another query to perform the necessary calculation for each of the returned dates.

Is there a way to do this?

So basically, if for a particular record, the 'start' date is 01-Apr-2015 and the 'end' date is 09-Apr-2015, can I produce a dataset of 9 records as follows :01-Apr-2015

02-Apr-2015
03-Apr-2015
04-Apr-2015
05-Apr-2015
06-Apr-2015
07-Apr-2015
08-Apr-2015
09-Apr-2015

(The *obvious* solution would be to create a separate table of dates, from which I could just SELECT DISTINCT <Date> Between #04/01/2015# And #04/09/2015# - but that seems like a dreadful waste of space, if that table is only required to generate the above? And it would have to cover all possible options; so it would either have to be massive, and contain every possible date - ever! - or maintained, adding new dates as necessary when they are required. Seems horribly inefficient!)

Is it possible to just select each date between the two reference dates? Or can you only query something which exists somewhere in a table?

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Probelm With Query Using Dates

Jun 10, 2005

I am having an annoying problem that I can't understand. I have the following query:

SELECT Bookinfx.Key, Bookinfx.[Park Name], Bookinfx.[Start Date], Bookinfx.[Accom Type]
FROM Bookinfx
WHERE (((Bookinfx.[Park Name])="TORBAY") AND ((Bookinfx.[Start Date])>=#01/01/2005#) AND ((Bookinfx.[Start Date])<=#31/12/2005#));

Which I am using to find out bookings for a specific holiday park for a specific year. However, if I try to alter the parameters to find monthly figures, only some months work and others (feb, april, june, sept, nov) do not. When I try and use these months it tells me that there is a syntax error in the date in the query expression.

Any help gratefully received! :confused:

ps maybe the answer would be a different query that returned the total number of bookings for each month for a particular year and park? But if this is the case I'm not sure how to do that!

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