Find Gaps Between Activities
Dec 17, 2007
I've got a table 'Activity' with around 9000 records built up over the past 18 months. Each record has three fields: ID (autonumber), Start (datetime) and End (datetime). An activity can start and end at any time (denoted Start and End), and be of any duration. Generally there are several activities underway, but occasionally nothing's happening.
What I'm struggling to do is create a query which returns the Start and End date/time of each 'gap' - i.e. all the periods when there was no activity.
I assume this requires 2 instances of the table so that the end of each activity can be compared with all the other Start / Ends to see if it falls in a gap, but nothing works so far, so grateful for any help.
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May 12, 2005
i have a query that provides data like so:
IDNumber - Units - WeekNo
55643 - 180 - 1
55643 - (Null) - 2
55643 - (Null) - 3
55643 - 135 - 4
55643 - (Null) - 5
55643 - 0 - 6
55643 - (Null) - 7
is there a way of adding something to the SQL to make it fill in the Null values to the most previous value of Units? in other words, the top 2 Null's would become 180, the next one down would become 135 and the bottom one would become 0.
since data is not entered weekly, these Null's are inherently there for certain weeks and i am hoping that with the Nulls replaced, i can produce a bar chart from this query for a report. if the Null's remain, i am getting 'gaps' in my chart which look like zero's.
many thanks.
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Oct 5, 2012
Calculation I am finding incredibly tricky. I am looking at peoples memberships, so have data structured like this:
Person ID Membership ID Membership Start Date Membership End Date
112233 98765 01/01/11 31/01/11
112233 12345 01/03/11 31/05/11
112233 67890 01/05/11 31/05/11
So, people can have had more than one membership.
What I am trying to find is the difference between the start date and end date of the memberships, and see if any were overlapping. So in the example above I would like to start at the first membership and compare this to the second, so the answer is 1 month difference between end date and next start date, then compare the second to the third, so the answer is -1 month between end date and start date.
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Sep 21, 2006
my html template is built inside access.. the form button is clicked and the template opens in outlook.
it looks fine in outlook.. so i send the email.. when i receive the email in outlook, it looks fine..
here is what it looks like
http://www.londonheathrowcars.com/image2.jpg
however, i sent the same template to a gmail and hotmail address to see what it looks like..
it looks fine in hotmail
http://www.londonheathrowcars.com/image3.jpg
however in gmail it looks like this..
http://www.londonheathrowcars.com/image1.jpg
now, these gaps are appearing in between tables..
<table>blablabl</table>GAP<table>...
now, my question is.. is there anything i can add to the code that will remove these gaps..
i know my code is messy.. at the moment however it begins with <table> and ends with </table> (the main wrap table)
i realise i may need to add some kind of html type or something, but i dont know what..
as always, if anyone can shed some light on this matter i would be ever grateful..
thank you
below is the code
CODE
Option Compare Database
Private Sub emailbutton_Click()
'References: Oulook Library
Dim strEmail, strSubject As String, strBody As String
Dim objOutlook As Outlook.Application
Dim objEmail As Outlook.MailItem
Set objOutlook = CreateObject("Outlook.application")
Set objEmail = objOutlook.CreateItem(olMailItem)
strEmail = Me.emailadd
strBody = "<table border='1' width='610' id='table1' cellspacing='0' cellpadding='5' bordercolor='#5A79B5' align='left'><tr><td align='center'><table border='0' width='600' id='table2' cellspacing='0' cellpadding='0'>" & _
"<tr><td width='300' height='61'> </td><td width='300' height='61' align='center'><img border='0' src='http://www.londonheathrowcars.com/emaillogosmall.gif' width='300' height='61'></td></tr><tr><td width='300' height='30'><font size='2' face='Arial' color='#000080'>FAO</font></td>" & _
"<td width='300' height='30' align='center'><b><font face='Arial' color='#5A79B5'>-------- London Heathrow Cars --------</font></b></td></tr></table><table border='0' width='600' id='table3' cellspacing='0' cellpadding='0'><tr><td> </td></tr><tr>" & _
"<td><font size='2' face='Arial' color='#000080'>Thank you for your booking request via our website.<br>Details of the requested transfer and our fare are as follows:</font></td></tr><tr><td> </td></tr><tr><td><hr color='#5A79B5'></td></tr></table>" & _
"<table border='0' width='600' id='table4' cellspacing='0' cellpadding='0'><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>Job Date:</b></font></td><td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td>" & _
"</tr><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>Pickup Time:</b></font></td><td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td></tr><tr><td width='200' height='20'> </td><td width='400' height='20'> </td>" & _
"</tr><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>From:</b></font></td><td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td></tr><tr><td width='200' height='20'> </td><td width='400' height='20'> </td>" & _
"</tr><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>To:</b></font></td><td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td></tr><tr><td width='200' height='20'> </td><td width='400' height='20'> </td>" & _
"</tr><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>Vehicle:</b></font></td><td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td></tr><tr><td width='200' height='20'><font size='2' face='Arial' color='#000080'><b>Set Fare:</b></font></td>" & _
"<td width='400' height='20'><font size='2' face='Arial' color='#000080'> This</font></td></tr></table><table border='0' width='600' id='table5' cellspacing='0' cellpadding='0'><tr><td><hr color='#5A79B5'></td></tr><tr><td> </td></tr><tr><td>" & _
"<font size='2' face='Arial' color='#000080'>Our drivers are courteous, experienced and smartly presented. In addition, all of our vehicles are modern, clean and comfortable. To book this transfer, kindly reply to this email or call us on the following:</font></td>" & _
"</tr><tr><td> </td></tr><tr><td><table border='0' id='table9' cellspacing='0' cellpadding='0'><tr><td width='150'><b><font face='Arial' size='2' color='#000080'>Freephone (UK Only):</font></b></td><td width='150' align='left'><b><font face='Arial' size='2' color='#000080'>" & _
" 0800 505 3231</font></b></td></tr><tr><td width='150'><b><font face='Arial' size='2' color='#000080'>International:</font></b></td><td width='150' align='left'><font face='Arial' color='#000080' size='2'><b> +44 (0) 208 814 2727</b></font></td></tr></table></td>" & _
"</tr><tr><td> </td></tr><tr><td><hr color='#5A79B5'></td></tr><tr><td><b><font size='2' face='Arial' color='#5A79B5'>Hasan Karim - Operations<br>London Heathrow Cars<br> </font></b></td></tr></table><table border='0' width='600' id='table10' cellspacing='0' cellpadding='0'>" & _
"<tr><td><table border='0' width='325' id='table11' cellspacing='0' cellpadding='0'><tr><td width='75'><font face='Arial' color='#5A79B5'><span style='font-size: 8pt'>Address:</span></font></td><td width='250'><span style='font-size: 8pt; font-family: Arial; color: rgb(90, 121, 181);'>" & _
" Suite 7, Jolyon House, Amberley Way, TW4 6BH</span></td></tr><tr><td width='75'><font face='Arial' color='#5A79B5'><span style='font-size: 8pt'>Phone:</span></font></td><td width='250'><span style='font-size: 8pt; font-family: Arial; color: rgb(90, 121, 181);'> +44 (0) 208 814 </span>" & _
"<span style='font-family: Arial; font-size: 8pt; color: #5A79B5'>2727</span></td></tr><tr><td width='75'><font face='Arial' color='#5A79B5'><span style='font-size: 8pt'>Fax:</span></font></td><td width='250'><span style='font-size: 8pt; font-family: Arial; color: rgb(90, 121, 181);'>" & _
" +44 (0) 208 399 6500</span></td></tr><tr><td width='75'><font face='Arial' color='#5A79B5'><span style='font-size: 8pt'>Web:</span></font></td><td width='250'><span style='font-family: Arial; font-size: 8pt; color: #5A79B5'> http://www.LondonHeathrowCars.com</span></td></tr><tr>" & _
"<td width='75'><font face='Arial' color='#5A79B5'><span style='font-size: 8pt'>Email:</span></font></td><td width='250'><span style='font-family: Arial; font-size: 8pt; color: #5A79B5'> info@LondonHeathrowCars.com</span></td></tr></table></td></tr></table></td></tr></table>"
strSubject = "London Heathrow Cars - Booking Request"
With objEmail
.To = strEmail
.Subject = strSubject
.HTMLBody = strBody
'.Send 'Will cause warning message
.Display
End With
Set objEmail = Nothing
End Sub
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Oct 23, 2012
I have a project with several activities, each activity has specific people who work in the activity and of course an ID for the activity. Now every person has a unique ID, name, address, birth date, address ,,,, etc
a person can work in several activities ,, now what i want to know is should i put activities in a table , and persons in another table or what !!? how can i connect the two tables? How can assign a new activity for the persons?
let us say that all the activities need 100 workers, but there will be duplicate of the workers, how can i find the actual number of the workers without duplicate?? ( i need to find the numbers of all workers and the number of the actual workers)
Finally i want a restriction that if a person worked in five activities, i want an alarm or warning that this person has worked for four activities and he can't work any more, is that something i can do !??
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Jan 15, 2015
I have created a table for a Gym that shows which classes / activities are on which days. You will notice in the image below that i have assigned Boolean to associate a class with a day of the week.
I now am trying to create a Calendar STyle report that GROUPS all activities by the day they are on. So, for example, see below:
As you can see, all of Monday's activities will appear first (in a group) followed by Tuesdays.
One way I think I could achieve this is by doing a QueryMonday, QueryTuesday...etc so I have dataset or resultsset for each day. Then I could bring into a report, each query as a sub-report. I believe this is overly complex for what i'm trying to achieve. Also, using 5 grouping levels in one report doesn't achieve it either.
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Feb 25, 2014
I have a report that shows the daily activities. it shows how long it takes to do each task. however some tasks are 8 hours andsome are 10 hours. when all these times are added together it will give the time on a clock. not a total of hours spent.
i.e.
treatment1 : 8 hours
treatment2: 10 hours
this will give 06:00 in short time. in medium time it will give 18:00.
however if I add another 12 hours to that it will give 06:00.
I want it to show either 1 day and 4 hours /or 30 hours.
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I have been working on a simple data base for some time now (beginner level) and am still trying to improve it. I would like to do something but before that I would like to have your opinion to know if it is even possible?I have a query QryMainReport:
Start Date/Time
End Date/Time
Employee
At the moment this is what the format of my report looks like (I removed other unnecessary fields):
StartTime----------EndTime---------------Employee
12/06/2014 01:00--12/06/2014 03:00------John Smith
12/06/2014 04:00--12/06/2014 06:00------Jane Doe
13/06/2014 02:00--13/06/2014 05:00------John Smith
13/06/2014 08:00--13/06/2014 08:00------Jane Doe
I would like to do as a report. (Dates would always be from Sunday to Saturday). I am not sure it is possible to do that. I suppose first it would mean:I would have to do a query to separate the times from the dates?I would have to find a way for Access to find the unique dates and unique names?Does it mean I have to use cross tab queries?
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Is it an Access quirk? Is there an answer? (The client asks why. Be good to be able to say.) Cheers.
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Hey everyone,
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Sep 19, 2004
Hello Expert,
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fund_cd text 3
fund_desc text 50
fund_currency text 5
My needs are to pull both values of fund_cd and fund_currency to transaction table, so 1 combo box cannot meet my needs. As such, I write following codes to base on selected fund_cd to find appropriate value of fund_currency in fund_type.
From the code below, I meet the run-time error ‘3001’ and I am not sure can I finally get fund_currency using method of GetString.
Dim strSQL As String
Dim strccy As String
Dim rst As ADODB.Recordset
Set rst = New ADODB.Recordset
rst.ActiveConnection = CurrentProject.Connection
rst.CursorType = adOpenStatic
rst.Open "Select * from fund_type"
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rst.MoveFirst
rst.Find strSQL, 0, adSearchForward
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Thanks very much!
martinaccess
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Jan 18, 2008
Hi,
I have a database created in Access 2000. It works OK on computer number one. When I copy the data base to another computer and open it, the table can not be found. The error message is "D:DocsdgrDocent Library Nov 2005 is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which it resides" The path mentioned is the original path on computer number one. The DB opens but it will not find the table or the queries etc. I thought that moving the DB had something to do with it but when I copied the DB to an external HD and then opened it, it works fine. But when I connect the external HD to the other computer it doesn't find the table.
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David G Rhoades
dgrjazz@sbcglobal.net
Thanks:)
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