Creating An Expression From A Date Field (Help Please)
Apr 8, 2006
I one of my tables, I have a date field (DateCompleted) with the format: mm/dd/yyyy
Now, I want to create a query which would create another field (DateExpected) by using the date in the above table and adding 5 months to the date.
The only issue is that for the new field in the query I want it just to have mm/yyyy format.
For example, if the original date in the table is 04/05/2006, after running the query, I would have a new field 09/2006.
Does anyone know the exact expression I would put in the query? Thanks. The expression would be put in the "build" area.
Thanks for your help!!
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Jun 12, 2014
I am trying to create an expression in a query to sum only the # of hours a student attended between two date fields. I do not want to use a parameter because each student has different start and midpoint dates and I need to see all of them in one list.These are the fields I'm using in the query:
Student Name
Start Date
Midpoint Date
Hours
It keeps giving me "0" or if I move the () around it says the correct syntax is [NOT]
Expr1: Sum([Hours]) between [Start Date] & [Midpoint]))
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Dec 18, 2014
I am using expression builder to specify a field in a report but it is acting more like a filter.So I have a report based on a query. However I want to add a field that is not in the query but is in a related table - called tblAgent.
So using expression builder I select the tblAgent in Expression Elements and then select the field from this table. This creates the expression =[Agent]![AgentAddress] however when I try to run the report it asks for a Agent parameter? Do I need to go back to reports 101?
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Mar 14, 2006
I want to create a field for displaying a 90 day period date before the time of renewal.
This date will be displayed to remind me to send out a notice to a client and will be based on the actual renewal date field.
Can anyone please provide some insight into creating such a field.
Also, I will be creating a similar data field that will be based on 30 Days after the 90 day notice that I send out.
Thank you in advance...
Steve.
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Jul 9, 2012
How do I write a Access 2010 Web database expression to give me the number of days between a particular field eg [sold date] and todays date?
Being a Web database I know I am restricted to a smaller list of available expressions - normally part of my expression would include eg date().
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Apr 10, 2014
I created a query with one expression field that updates a user inputted date field on a form. The expression adds a certain amount of time to the field (usually six months) so I know when the next inspection should take place. Everything works great except when I put a parameter in the expression field. It will not return the property dates. If I simply remove the expression, and input the date manually, it works just fine. Am I not allowed to use date parameter with an expression? It returns every date within the correct month, but will give me future years as well.
The expression is - NextInspectionDate: DateAdd("m",12/[InspectionFrequency],[LastInspectionDate])
The parameter is - Between [Forms]![Preventative Maintenance Dates]![Sta
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Jul 18, 2005
Hi,
Anyone know how to create a combo box that has unique month and year entries from a table (month in one column and year in another - i.e. 2 columns)?
I've been able to get the textbox of the combobox to output the correct format using a custom format but it does not affect the combobox data. Also, I'm not sure how to separate this by two columns...
Any help would be much appreciated!
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Sep 23, 2014
I'm new to programming with Access but am attempting to create a new field in a table with an new date based on existing fields in the table.
The current fields are [Frequency], integer, [Risk], text, [Last Audit Date], date/time, and the new field is [Next Audit Date]. [Frequency] is a calculated field based only on [Risk] and is equal to "5" if [Risk] is "Low" and is "3" is [Risk] is "Medium" or "High", and [Frequency] is blank if [Risk] is (thus far it has never been empty).
What I need the new calculated field to do is return "N/A" (or blank, or anything easily separated really) if [Frequency] is blank, or if [Risk] is "Low" or "Medium". If [Risk] is "High", [Next Audit Date] should be equal to [Last Audit Date] plus 3 years. When I try to save the code, I get this message: "The expression could not be saved because its result type, such as binary or NULL, is not supported by the server."
This is my code now:
IIf(IsNull([Frequency]),"",IIf([Risk]="Low","N/A",IIf([Risk]="Medium","N/A",IIf([Last Audit Date]="N/A","N/A",[Last Audit Date]+Year(3)))))
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Jan 20, 2005
I created the following expression on a report, under the details, in a text box:
=nz(pathjbo50,0)/nz(pathjbo50,0)+nz(pathcol50,0)+nz(pathpp50,0)+nz( pathlm50,0)
what I want is to find out what percentage pathjbo50 is of the sum of the other 4 fields.
but I keep getting an "Error" message. How do I get this percentage?
Where is the best place to find literature on writting expressions?
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Mar 4, 2013
I have a database of students that have taken tests. That database includes how many attempts it took them to pass. I have successfully generated reports that sort the exams by type, date, student, etc. I would like to also somehow insert a formula to show the pass rate of those exams on the top of the report. I know I can get into design view and build an expression, but how would I build an expression that would create a pass rate percentage based on whether or not a student passed an exam on the first attempt.
I have a DB with a column titled "Attempt" and the options "First, Second, Third, Fourth". I would like the expression to generate a percentage of students that have "First" in their box (as opposed to anything else) out of the total number of student records.
We need to track student pass rates in my school for a re-certification process.
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Dec 30, 2006
Could someone please help.
I have to fields in a form for a membership database that I want to relate to each other, 'date joined' and 'expires on'.
I have been trying to build an expression in the 'expires on' field that calculates the date which would be 12 months from the date entered in the 'date joined' field.
Can anyone please point me in the right direction.
Thanks
Adrian
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Aug 29, 2014
I have a query that I want to return "due by 9/8/14" if the [Grace] field is blank or if the date in that field is before 9/8/14. If the date in the field is after 9/8/14, I want it to return "valid through (the date in the field)"
I wrote: MedWords: IIf([Grace]=Null,"due 9/8/14",IIf([Grace]<9/8/14,"due 9/8/14","valid through " & [Grace])) and all I get is "valid through" and either blank, or whatever date is in the [Grace] field.
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Jun 10, 2012
I have a query with an expression as follows in criteria:
Between #1/1/2012# And #1/1/2012#
I want to pass into that expression a value from another table.
So, I created a table, DateRange, with fields StartDate and EndDate
Then, I modified my expression as follows:
Between [DateRange]![StartDate] And [DateRange]![EndDate]
Which, of course, didn't work, as the expression didn't know which 'row' to use.
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Nov 20, 2007
Hi,
I'm sure this is a very obvious question for someone, but not so much for myself. I just need a date range formula for a query. I want the query to ask me the start date and also ask the end date and pull up all dates falling in between.
Anyone know a formula?
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Mar 11, 2006
Hello people - I am building an APPEND and DELETE Query which deletes STUDENTS in my Camera Loans database who have not borrowed a camera in more than two years.
In the query structure, under DATE_BORROWED, I put the expression <=Date()-730 (where 730 = 365 days x 2.)
However, upon running the query it gave back to me the earliest loan date of the student, (so their first loan date and details basically)
It ignores the more recent loans, so deleting this appended record would be a mistake.
Now I need an expression in a duplicated DATE_BORROWED field in the query structure that picks out the most RECENT date out of them all, the other field running the check on this most recent date to see if it is older than two years.
Surely there is some code or expression that pulls the most recent date out only of a whole series in a record? Or a criteria is performed on the rmost ecent loan only?
Help appreciated, thanks.
Neil.
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Oct 17, 2013
I am having a problem with a datediff expression.I have a query that pulls the first date and the last date out of a list but are put in seperate fields. I thought I could build an expression for datediff to calculate the number of dates between them. I can't just put in the dates because they are constently changing.The expression I have is:
[datediff("d",[min/max edging unit #2]![firstofupdate/time by month],[min/max edging unit #2]![lastofupdate/time by month])]
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Sep 4, 2006
Hi all,
I need to be able to add x months to a given date which I'm using in a criteria expression. I've figured out that I can just add y number of days, but the answers aren't quite accurate across different ranges of months.
I'm after something like
<[BeginDate] And >([BeginDate]+[3months])
but I haven't turned up anything useful in an hour of googling - finding it difficult to define what I want in search engine terms.
Cheers,
Alex
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Feb 19, 2008
I want this expression to form a value of a field on a query...
I know that what I want is something like this:
arrangedActivityName: [activityDate]+", "+[activityTime]+", "+[activityId]+", "+[venueName]
When I do it though, its shows "#Error" in the field.
I'm guessing that its something to do with the fact that date and time are not strings or ints therefore cannot be displayed. How can I fix this?
Does anyone know how I can do it?
Thanks, Ant...
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Feb 7, 2005
So I have a database of contacts, and it has their birthdays listed as well. What I need to do is calculate the number of Fridays from their birthday up until today's date. How do I do this? Thanks
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May 11, 2015
I've been struggling with the following expression:
=DSum("[FieldName]","TableName","[FieldName]>=" & [Forms]![FormName]![textbox01]& " and " &[FieldName]<= " & [Forms]![FormName]![textbox02] & "")
I keep getting invalid syntax (Access 2007). I tried adding the # symbols but no success.
I also need to put an additional criteria for a Integer field in the same expression where the value is True.
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Oct 8, 2015
I'm trying to add a calculated field which will be the time difference between two other date/time fields.
When I try to make a Calculated Field it does not recognize the DateDiff command.
Is there a preferred method to create a calculated field based on date/time differences? One would think this would be an easy thing to do.
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Apr 8, 2013
I have a query that I want to "filter" based on a date derived from a Build statement (Expression). The Build statement works I can even sort by "Ascending".. But when I try to add a "Between [Startdate] And [Enddate] statement in the Criteria box, returns nothing".
Build statement : ReInvestDate: IIf([Eligibility]="SCI",DateAdd("d",+1825,[PrevInvestDate]),IIf([Eligibility]="TS",DateAdd("d",+1825,[PrevInvestDate]),IIf([Eligibility]="S",DateAdd("d",+3650,[PrevInvestDate]))))
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Jun 26, 2013
I am attempting to create an expression that will change the font to red if it is an overdue date. It will be on a form with the records showing.
My datebase is for entering, changing, and searching for information dealing with orientation dates, contacts, and associations. My data sheet holds the company name, employee name, date of orientation, due date (orientations are completed annually), contact employee, and status. I would like the date, when opening the form, to show red if it is past due. how to create an expresion to return the status as "Current" or "Overdue", as I am still unsure which method I want to use.
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Oct 9, 2014
I am getting something wrong but I don't know what - date related.
Take this code for example:
Code:
Dim varDate
varDate = Date
If DCount("RunningNumber", "AllocatedVehicles", "ServiceDate=" & varDate) > 0 Then
MsgBox "Go Away", vbOKOnly
Else
Go on and do the real work
End If
End Sub
The DCount line is being completely ignored, no error message, it just cracks on as though there were no records found (but they are definitely there!) I have tried:
Code:
Dim varDate
varDate = Date
If DCount("RunningNumber", "AllocatedVehicles", "ServiceDate='" & varDate & "'") > 0 Then
MsgBox "Go Away", vbOKOnly
But that throws up a Type Mismatch (which is what I would expect). Then I tried
Code:
Dim varDate
varDate = Date
If DCount("RunningNumber", "AllocatedVehicles", "ServiceDate=#" & varDate & "#") > 0 Then
MsgBox "Go Away", vbOKOnly
And it gets ignored again.
I am having similar trouble trying to open another form using the same field as the open argument, and getting similar results, so it is clearly me that is wrong.
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Feb 8, 2015
I am trying to count the amount of records that were created and closed for last month but I am having problems inserting the correct criteria along with the DCOUNT syntax. DCount("*","obsvnofilterqry","(Date_Closed)=MONTH( Date())").Works fine but figuring out how to get the amount of Date_Closed for last month is proving tricky.
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Jul 31, 2013
I'm trying to create an query that has two separate expression in it and a date selection criteria. The first expression is,
Expr1: DateDiff("s", [Arrival Time 1],[Departure Time 1])/3600
and the second is,
Expr2: IIf([Expr1]>[Hours Per Day],[Expr1]-[Hours Per Day]
When I run this query it asks me for the date (which is fine) but then it also pops up a box asking for "Expr1". How can I get "Expr2" to use the value returned from "Expr1"?
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