DateTime Period Between Last Record In Table And Given Time Interval
Jul 5, 2005
HI all,
I am still new in Access databases :o
I have a table with 'General Date' column. So I have to create query wich extracts records between Last record (via Date field) and 'for example' 10 days before. But Last record in Date column may differ from Now().
When this is done I have create calculations with extracted records using agregate functions.
I'm trying to use Last function for Criteria putting it into Date field and substracting with -10 (for 10 days) but it doesn't work.
Please help! :confused:
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Feb 15, 2012
How to create a table that has a recurring entry, based on a start date and a nominal interval period of e.g. one calendar month?
Is it possible to have these entries applied automatically each time so that they appear, as required, when the table is opened?
For example, for the entry of regular payments due per month.
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Aug 2, 2006
Can you help we have a data with a list of jobs that scores points, I need to build a query or scirpt that will add 5 points every 30 day fro the date the job was submitted this will help old jobs come the top of the list.
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Apr 9, 2015
I am trying to get a count from a table, but only for a certain time period. Here is a little bit of my table:
STRMIDtrDateDT trDT
1617 3/25/2015 7:30:00 PM0
1530 1/8/2015 4:40:00 AM10
1532 1/12/2015 9:20:00 AM60
1533 1/14/2015 4:50:00 AM1
What I am currently doing is querying a table for the Count(*) for the day before. This works all well and good, but now I am wanting to break it down by a time range from the trDateDT field.
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May 20, 2005
Hi! This is my first question here.
I want to make query where I want to show data only from time1 to time2 (for a month).
I want to make this in Access because I need Forms.
I made this on the SQL Server but I had to change the time limits in the code what I don't like. How to make this in Access SQL?
On the SQL server it looked like this:
SELECT * FROM TimeSample
WHERE TimeVal - CAST(FLOOR(CAST(TimeVal AS float)) AS datetime) > '10:00' AND
TimeVal - CAST(FLOOR(CAST(TimeVal AS float)) AS datetime) < '17:00'
Any ideas?
Thanks, Bob.
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Mar 7, 2008
I'm sure this is simple but my brain is mushy this morning!
I have two datetime fields ADMISSION and DISCHARGE with values such as 03/02/2008 15:00. How do I convert these to dates only? I don't want to just *format* them as dates, which I can do. In this example I would want to convert that date to 03/02/2008 (or 03/02/2008 00:00)
It's an idiosyncrasy of the way the NHS calculates hospital length of stay. Our previous IT system had dates and times in separate fields so I could just ignore the time field and work out length of stay based on dates only. However, our new system returns a combined datetime.
Patient A 03/02/2008 00:15 to 03/02/2008 23:45 = 0 days
but
Patient B 03/02/2008 23:45 to 04/02/2008 00:15 = 1 day
Basically, you count a day if there's a date change, even if that was only half an hour (or even a few minutes) either side of midnight, but you DON'T count a day if there was no date change, even if that was almost 24 hours.
So formatting them as dd/mm/yyyy wont work ,as I will still have partial days when I subtract one from the other and INT([DISCHARGE]-[ADMISSION]) wont always work either as it would calculate 0 for patient B.
Help!
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Dec 1, 2013
I have a working dB which can calculate a shift duration and sum total all shifts worked within a period for the purpose of producing a labor report for payroll. I have successfully used the DateDiff function and converted the minutes to HH:MM on my form and reports. Now I want to calculate elapsed time for a specific period within a shift, I'll call it OtherHours and I am aiming to calculate a portion of time that meet the following conditions below. I am using field names of [PunchIn] and [PunchOut] and both are of type General Date.
IF [PunchOut] ISNOT Saturday,Sunday
EXIT FUNCTION
ELSE
IF [PunchOut] ISNOT Between Midnight and 0559 hours
EXIT FUNCTION
ELSE
DATEDIFF ("n", <MIDNIGHT>, [PunchOut])
My thoughts are to solve the DateDiff portion and then figure out how to apply the conditions within the IF statements.
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Dec 3, 2013
I have a report that shows a datetime field and I would like to show only the time portion of the field on my report. Is there a way for me to do that?
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Sep 12, 2013
I have some incorrect time entries in a column that I need to fix with an update query.
So, 04/11/2013 08:00:00 needs to be changed to 04/11/2013 09:00:00
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Jun 10, 2012
How do I enter and store a period of time that may be of any length: years (.. unlikely but ...), days, hours, minutes, seconds (or even micro seconds) that I can later add to other dates or times stored in my database? How do I create a sensible data entry mask for yyyy/ddd/hh:nn:ss.999 and then convert this to a field compatible with date/time functions? And what format should this data take (be converted to ..?) and be stored in?
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Aug 3, 2005
Hi,
Over the past three months I have been trying to develop an application which can repeat appointment entries.
I would like to have the option to repeat an appointment entry for a given number of weeks.
For example if an appointment entry was placed for today (Wednesday), there would be a command to create additional duplicate enties for the same day of the week for a given period of weeks ie say every Wednesday for the next 52 weeks.
Any help on how I could approach this would be very much appreciated.
Thanks
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Jan 30, 2008
Hi there
I have created a database in Access XP (2002). In a nutshell, the database records numbers of people attending a seminar; which can take place any number of times per week, and so hence can take place any number of times per month.
I have set up the query so that it can run immediately after a seminar to show the attendants who attended the seminar on that current date "Date()" in the criteria box. However, how would I go about setting it up so that it shows who attended every seminar in the current week or month?
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Apr 8, 2008
We sell products out of vending machines and once in every few days (time span between readings may be different every time) read data from the machines using flash drive. Each reading from all machines produces an Excel file:
Reading_Date | Machine_ID | Product_ID | Amount_sold
2008-04-08 | 1 | 1 | 26
The only date that we have is the day on which the data has been read and this tells how many sausages were sold from the date of last reading till the date of current reading (after each reading counters are set to zero).
The problem is to get average amount of product X sold from machine Y on every calendar day. For a total rookie like me it seems like creating another column that would divide the Amount_sold by the number of days between two consecutive readings and put this average amount for every calendar day between these two readings. May it be done this way? How? Another way? How? I would be very grateful if anyone could help me and explain the solution in an accessible way.
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Jul 9, 2014
I have designed an access application that logs emails that come into a department. However, the team leader has asked me to create a report to work out if emails were answered within a 24 hour period.
Is there a method to do this. It is not something I have attempted to do within access before.
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Jan 8, 2015
I am using access 2013 and have an issue creating a query with employee hours for a two week period.
For starters I have a table with the following:
Employee Number, Date, Time in, Time out, Description, Rate Code, Week end, Pay Period. (there are a couple others but they are not needed for the query)
My table is set up this way so that each employee can clock in and out 1-4 times a day based on what they are doing. For example I may work from 6-8 in the office then 8-10 in the field. The office has one rate code and the field has a different one so i cant just be clocked in from 6-10.
At the end of the pay period I create a report and send it to an accouting firm who does the payroll. Right now I have to manually enter in each employees time. I was hoping that by using this table I could create a query that will give me the calculations I need in order to create the report.
In my query (to Start) I need to have the following with it set up per pay period.
Employee Number Rate Code Regular Hours Overtime Hours
How to set it up so that it calculates the hours based per rate code with the given pay period.
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Jun 7, 2013
I've been struggling with getting a report to simply count records (I don't need any detail other than the counts). Here is what I have:
Table CompressorRoundsT contains these fields (many more actually but these are the ones I care about for this purpose):
Date, Shift, Round
Possible records in the shift field are 1st, 2nd, 3rd and the round field has Rnd 1 and Rnd 2.
For each date, I need to count the number of records per shift and per round. For example, the report should show that on June 7th, 1st shift has 14 records for round 1 and 14 records for round 2. Same for 2nd and 3rd shift. I don't need any other details of what the records contain, just the counts.
I've had some success but the layout ends up too spread out because it is including the individual records instead of just showing the counts and it isn't grouping the way I want.
It's a report for management to see how many readings (rounds) were missed in a period of time.
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Oct 23, 2013
I have a pre-established database with a form that calculates total sales and tax for a time period i specify. I want to add a box that will display the number of sale records. Ex. if i had sales of 50,000.00, and that came from 200 sales i want the box to show the number 200.
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Jul 13, 2015
Could I change my unbound textbox (txtperiod) on the Report to display the time period.i.e.
Weekly, Monthly, Quarterly
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Jul 22, 2014
I'm in the process of creating a database in Access 2010 that has two front ends, basically. What I want to be able to do is lock out one of those front ends for a specific period of time every day.
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Jan 29, 2014
Calculating the rates over a period of time. I think the attachment will give you a clear picture of what I am looking for.
To get the cost for a particular period I want the rates to be updated as per the given period. How I could get the calculation in the mdb format...
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Aug 6, 2015
I would like to add fields from one table to another based on matching datetime codes.
Most data are in the table 'metadata' (information on sound recordings), and i want to add lat long fields from a large table of GPS points 'gpsData'. Each record in the metadata table has start and end datetime fields - i want to a add lat and long that matches the start time and a lat and long that matches the end time (so four fields to metadata).
My approach has been to try this with two separate select queries (i.e. one for adding the start locations and one for adding the end locations), with the intention of then combining these two outputs in a single table.
When i try a simple select query though I can see that:
a) there are no matching time codes for some records, because although the hh:mm:ss look the same there are differences in the lesser decimal places of the datetime serial numbers. I have tried using the round function on the datetime fields of both tables but this doesn't fix it (I don't understand why not).
b) there are some duplicates because there are sometimes more than one GPS point for each second, and the metadata times are given to second precision (so some metadata records get two entries in the query result).
How can I have the query select the gpsData record with the nearest datetime stamp to that in the metadata table's start time field? The respective field names are UTC and StartUTC. Can i do the same for the end times simultaneously or should i do this separately?
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Dec 13, 2014
I want code with message that can prevent user to adding a new record for an employee within specific of date through a form in the Ms Access database, but after a period of date i can, For example (after two months of the last record on the main table i can add the new record, otherwise the message will popup tell the user that this employee didn't complete tow months of last adding)
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Sep 28, 2014
In my Access app I need to get the latest record added of an item from a MS Sql table and check the period between now and the date saved in the record.
So my guess is:
Select TOP 1 * from tbl_StockItems
Where StockId = Loc_StockId
I then need to check the days between tbl_StockItems.LastStockDate and Today.
How would I write an Access VBA query to give me the amount of days and put that number into a variable.
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Jun 12, 2014
I have a table period with three columns
ID, Period_Start_Year, Period_End_Year
I could have many periods in a future. What i want is to allow users to insert just first start year and lenght of period and table will be automatically updated based on these two values.
So user will insert Period_Start_Year and Length of Period, for example 2010 and 2 and table should be>
ID Period_Start_Year Period_End_Year
1 2010 2011
2 2012 2013
3 2014 2015
While i am writing this i realised that user have to specify also ending year, i do not want to have infinity.. I am thinking about form and update query but can't get it...
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Jan 23, 2013
How can I add an ID-number that always increases (by 1) each time I add a new record to a table (using a form)? I want to always use some info from the record that was added last to fill in a different form. The reason for my question is that I heard that the autonumber does not necessarily increase each time a new record is added...
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Aug 13, 2015
I'd like to add 600+ records at a time to a table (or at least a lot) and do this 1200 or so times. Yes, this is a very big table, its okay and the size is not an issue.
The key here is that speed is very important. I DO NOT want to AddNew and Update a recordset 700k times (one for each new record). I want to add 600 records or so 1200 or so times.
I am open to any way of doing this in VBA and/or SQL in MS Access; however, I am thinking of building an array that has 600 rows and 16 columns, then somehow add that to the table all at once. I will size the array down if it causes problems. That isn't the issue. The issue is how to add a 2d array to a table in bulk (all at once).
Code:
Sub test()
Dim dbLocal As DAO.Database
Set dbLocal = CurrentDb()
Dim sql As String
'build my array
Dim x(0 To 1, 0 To 1) As Integer
[Code] ....
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