I have a database with 5000 entries, corresponding to about 10 entries for about 500 people. Each of the entries is dated, and I need to calculate the time intervals between each person's sequential entries in the table.
One way of doing this is to create another column that contains the date of the previous entry. I can then use DateDiff to subtract one date from the other and give me the difference in days.
This approach falls down if I then work with only a subset of the entries - I would have to re-enter the previous entry dates as the time intervals would have changed.
What I really need is a way of subtracting the date from the date in the cell directly above it. Will Access let me do this, or is there a better way?
I am trying to find the latest date in a table where the dates are in 2 separate columns and multiple rows. (there are business reasons why there are 2 dates per row they represent different but comparable activities)
I have a table "Assessment tracker" with the following structure
Name Type Candidate short text Unit short text EV1 Date Date EV2 Date Date
My Data:
Candidate Unit EV1Date EV2 Date TH1 10 07/05/2015 25/05/15 TH1 10 07/05/2015 07/06/15
I have a query "Candidate AC Dates" that compares the 2 dates EV1 and EV2 and outputs a 3rd column with the latest date.
It does this by using a function shamelessly copied from the web somewhere...
Function Maxdate(ParamArray FieldArray() As Variant) ' Declare the two local variables. Dim I As Integer Dim currentVal As Date' Set the variable currentVal equal to the array of values. currentVal = FieldArray(0) ' Cycle through each value from the row to find the largest.
[Code]....
This is working well (I think)
I then want to find the latest date for the 2 records i.e. the Max value for the Achdate.
Query: SELECT [Candidate AC Dates].Candidate AS Expr1, [Candidate AC Dates].Unit AS Expr2, Max([Candidate AC Dates].Achdate) AS MaxOfAchdate FROM [Candidate AC Dates] GROUP BY [Candidate AC Dates].Candidate, [Candidate AC Dates].Unit ORDER BY [Candidate AC Dates].Candidate, [Candidate AC Dates].Unit, Max([Candidate AC Dates].Achdate) DESC;
But this is returning
Candidate Unit MaxOfAchdate TH1 1025/05/2015
I expect it to return
Candidate UnitMaxOfAchdate TH1 10 07/06/2015
It looks to me like MAX is considering only the day value rather than the whole date. I suspect this is because it is considering the results of the function in the first query as a short text rather than a date field. (I've tried to force this through declaring the variables as dates but don't know where else to force this. (I am UK based hence the DD/MM/YYYY format)
How to create a table in MS Office. Current table has name in first column and start & finish dates in other two columns. It is necessary to create a table in MS Access which has name in the first column and validation dates in the second column. For Example:
currently
1. White 16 xxxx19 2. Black 1 xxxx 5
required
1. White 17 1. White 18 2. Black 2 2. Black 3 2. Black 4
I am still quite new to Access and have spend the last two days looking for a solution to an issue but don't seem to find anything that fits. The problem is that I want the three year average of [NIbyA] inserted in [AvgNIbyA]. The years are stored in [FocalYear] (as Date/Time formate) and [TextYear] (as text formate) and [ID] indicates which entity the record belongs to (see below).
UniqueID ID TextYear FocalYear NIbyA AvgNIbyA 1020180-19981231 1020180 19981231
[Code]...
Example.accdb
I have been playing around with update queries but can not seem to get the syntax right. The query needs to add NIbyA for year 1998, 1999 and 2000, divide it by 3 (or use Avg() function or something of that sort) and insert the result into the row where [FocalYear] = 13/12/2000. To add to the confusion, it should obviously only add those records that belong to the same ID. Years are from 1998 to 2010 and ID's are random (this obviously means that the rows where [FocalYear] = 13/12/1998 and [FocalYear] = 13/12/1999 will not have an entry).
I have a form bound to a table that has a bunch of dates in it. What I want to do, is to be able to have pop-up calendars on the form next to each date field, where the user can select dates from the calendar, then have those dates display on the form, and last but not least, update the date fields in the table.
At the moment, the form I'm working with let's me pick dates from little pop-ups and display the dates, but when I exit the form and then come back into it, the dates are gone! In other words, I'm missing something in the process between the dates displaying onthe form and the dates getting into my table.
If anyone has an idea as to what I might be doing wrong, I wouldappreciate your ideas and suggestions.
Thanks in advance. I don't know where I'd be without this forum!
What i need:I have the attached database which includes 2 tables (Table1 and Table2) which are related One-2-Many (Table1 is the One and Table2 the Many)There is one form also with the name "Form1" which includes 11 unbound (ctr1,2,3...11) and are calculated with the values of fields [MainDate] , [Days] and [EndDays]
The Issue: As you can see in the attached sample, on Table1 i can assign the "MainDate" value , the "Days" and on field "EndDays" i can have the value of the [MainDate]+[Days].
I need to update the field "RefNo" on Table1 on depending the date range of the field [EndDays] and the controls [ctr1-11]. Specifically i need : If the Date() is in the range of eg. [EndDate] and [ctr1] i need to have the value of the first record of the Table2 (RefNo) on field "RefNo" into Table1. If the Date() is the range of [EndDate] and [ctr2] i need the second record values of the field [RefNo] into Table2 and so over..
I am new to VBA and I'm trying to write a query that will update a table with dates based on user input. For example a user will run data each Monday and that date will be day01. The date table has 28 days total and I need each day row to update with the next date i.e. day01 is 12/30, day02 is 12/31, day03 is 1/01 etc..I am having issues just running the update the query. I get a too few parameters error message on the strsql statement. There are only two columns in the table, order_day(date column) and date_value(text). I want to update order_day. I also need creating a loop so it knows to go back and add days to the other values.
Here is what I have:
Code: Sub Update_Dates() Dim rs As Recordset Dim db As Database Dim lmsg As String Dim transactiondate As Date Dim strsql As String
I currently have a table that has patient ID (unique record (SSN)) and a date of visit field. The SSN may have numerous rows with different dates of visits. What I am trying to do is a DateDiff function that will retrieve records that are 48 hours apart or 2 days apart. We are tracking patients that return within 48 hours of a previous visit.
I have a list of client activity - client name, loan ID and loan date. I would like to create a new field that shows the number of days between one loan and the next. If I was doing it in excel, I would need to sort the data by client name and loan date and then calculate the number of days between the loan date of one loan and the loan date of the loan immediately prior to this.
I am in the process of developing a pivot table with grouping per month per year which works just fine. However, I would like to rename the column header items. It will not allow me.
The scenario: the data is from a query that deprives data from two tables (Date from Table A) and (TypeID from Table B: Query will show TypeID in text format based on SELECT to show data in text format not numeric format).
The struggle: Renaming the column headers which shows the TypeID in numbers based on its ID (the first column of Table B), not its Description (the second column of the Table B).
The question: How do I make the column headers to show the TypeID in text based on its Description in the second column of the Table B?
I was wondering if a list box can be made so the header of each columns is clickable.. so you can sort by that column either alphabetically or numerically?
I want to create a form that ask the user for a start date and an end date. Then when the click OK it will append a record to a table for each date and each date in between based on the increment. For example the start date is 6/20/2014 and the end date is 6/27/2014 and the increment will be 1 day. I want to add records to my table for:
Question... i Wanted to create a Graph that has a bar for each category or column that has dates.. i want it to filter to show only the dates greater than 12-31-2011 so basically all dates in 2012.. i figured out how to do a query but i was only able to do a query for ONE column at a time so i'll have like 30 querys...is there a way to do this with one query and have each bar on the graph be for each column and have the graph showing how many people have completed these after 12-31-2011. URL...
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?
I have created a booking system for a set of resources for schools. Most schools have a membership which entitles them to 2 free sets. I have a booking form with a membership subform (membership table), and a booking details subform (kitloan table).
Once a school is selected on the main form, the membership subform shows the most recent record for that school based on schoolID.I want to display the number of sets they have already had within their membership period (can start at any time of the year, and lasts for 1 year) on the membership subform, so we know how many free ones they have left.
I therefore need to count the number of KitBkID (ID of the booking) in the Kitloan table where SchoolID = the SchoolID displayed on the membership subform, and the DateOut (booking date on kitloan table) is between the DateJoined and DateRenewal displayed on the membership subform (from membership table).
I can do this with a query which works when run and provided with the parameters SchoolID, DateJoined, and DateRenewal.
SELECT Count(Kitloan.KitBkID) AS CountOfKitBkID, Kitloan.SchoolID, Kitloan.DateOut FROM Kitloan INNER JOIN Membership ON Kitloan.SchoolID = Membership.SCHOOLID GROUP BY Kitloan.SchoolID, Kitloan.DateOut HAVING (((Kitloan.SchoolID)=[Me].[SCHOOLID]) AND ((Kitloan.DateOut) Between [Me].[DateJoined] And [Me].[DateRenewal]));
What I can't do is get it to run on the form and take those values from the form.From the searching I've done, I'm thinking a DCount should be the way to go, but I cannot get the criteria right. I created a query (KitloanCountQry) so that criteria could come from both the kitloan and membership tables.
SELECT Kitloan.KitBkID, Kitloan.SchoolID, Membership.DateJoined, Membership.SCHOOLID, Kitloan.DateOut FROM Kitloan INNER JOIN Membership ON Kitloan.SchoolID = Membership.SCHOOLID;
I have put the DCount as the control source for a textbox on the Membership subform (but have tried it in VBA too): =DCount("KitBkID","KitloanCountQry") This works but obviously gives me the total for all bookings.
[code]....
Although I have to admit to getting lost in the syntax. This produces #Error.
I have a table which is used to store info regarding medicines dispensed. I also have a corresponding Form to enter data. The fields in Table are
ID- number Dispensed Date- date with dd/mm/yyyy format Dispensed Type- text Quantity- no. of days Next Collection Date- date with dd/mm/yyyy format
The Form also contains same fields but it has a calculated field for ( Next Collection Date) where i calculate date using Dateadd function. Also the form has a Datasheet view. So records are added when I press Tab or Enter at last field.
Now the problem is the calculated dates arent getting updated in the table. And this is a huge problem as i have to run a query later where i will put a criteria on Next Collection Date.
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
(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?
how data is best structured in Access.I have a table of values (for instance: weight) and I need to be able to look up a weight based on the column header (age) and row header (height).How is this sort of data best structured and accessed in Access?
So I have a report generated, listing all my companies personnel in one column and the next column has the expiration dates of a certian training certificate. My question i would like to add some statistics to the bottom of the report, mainly how many certificates are expired, which is the ones over a year.
I have attempted to use:
=Sum(IIf([AT_LEVEL 1]<"Now()-365",1,0))
previously in excel my spreadsheet counted it like this:
I am making a Car Rental database on Access 2010, and I have a list of the dates available to rent a car in a table. I want to be able to check what dates are available and select a date for hire in a form.
I have two tables with dates. Between (!) every two following dates in table1, I want to know the number of dates in table2. How do I write an SQL query for this? The tables I have are up to a few hundred records in table 1 and a few thousand records in table2. So to prevent that this takes hours I need a fast query.
To explain the query I need, for example: table1 01/01/2014 15/01/2014 17/01/2014 30/01/2014
Explanation: Between 01/01/2014 and 15/01/2014 in table 1 there are 2 dates in table2 (01/01/2014 is not included between the dates) Between 15/01/2014 and 17/01/2014 in table 1 there are 0 dates in table 2 Between 17/01/2014 and 30/01/2014 in table 1 there are 4 dates in table 2
I have a master table which shows all transactions per record (person) over a financial year.
Each record person has a seperate package period over which their spend needs to be measured. Therefore although I have all their transactions for the year, I only want to sum their transactions between their given [start date] and [end date] which are in columns.
I need to be able to create a field which sums all expenditure per record between the start and end dates
Name Start Date End Date Invoice Date Amount
Matt 15/5/11 15/9/11 1/11/11 £100 Matt 15/5/11 15/9/11 7/7/11 £200 Matt 15/5/11 15/9/11 12/12/11 £200
In this case I would only want to sum 7/7/11 as this is between the start and end dates
I want to write something like sumif([Invoice Date] is between [start date] and [end date] - not sure where or how exactly
(The start date and end date will always be the same per person)
I'm trying to update all the rows in a column (column A, PO Number) within a table (iSupplierTable). The value (txtPONbr) is entered by the user on a form (NewPO).
Code: Private Sub cmdSubmit_Click() On Error GoTo cmdSubmit_Click_Error Dim db As Database Dim rst As DAO.Recordset Dim strSQL As String strSQL = "iSupplierTable"
I am trying to format an excel spreadsheet through access, specifically trying to convert a column from text to dates (I receive the data in text format and need to translate it to dates).
Code: Dim excelApp As Object Set excelApp = CreateObject("Excel.Application") excelApp.screenupdating = False excelApp.Visible = False Set excelWB = excelApp.workbooks.Open("Z:DataBasicSMData.xlsx")
[Code] ....
I'm no longer getting an error, but it isn't actually modifying the spreadsheet...