Queries :: Calculations On Query Results
May 20, 2013
I need to do a calculation on the RESULTS of a query. Each record in the table I'm querying has a date stamp. I have a query that produces a list of the newest records for each machine. I want to calculate how old each of those records is based on today's date.
So far when I try to include the calculation in that query, it returns all the records instead of the newest ones. This makes me think I'm doing something fundamentally incorrect. The calculation is affecting the query results where I just want to do the calculation on the results. What I'm trying to ultimately do is have a way for the users to see a list of machines that are overdue for a certain procedure. I was thinking of putting a button on a form that will run the query and present the list, perhaps with some conditional formatting highlighting the machines that are overdue, etc. Do I need to just use 2 queries?
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Feb 18, 2014
I am trying to add calculations to queries based on columns in the query... it seems to randomly expect 'Expression' or 'Group by' as column types, and Im having to create 3 sets of queries following on from each other to de-dupe data and allow filters on calculated values.
Also I've got a function which turns a date into a quarterly cohort, e.g. Oct 2013 -> 20134. I use ot on a lot of dates. I created a VBA function, CohortQ used as follows in queries:
Cohort: IIf Year([InputDate]) < 1990 or Year([InputDate]) > 2020, 0 CohortQ([InputDate]))
In the VBA, InputDate is defined as a date
Code:
Function CohortQ(InputDate As Date) As Integer
If InputDate = 0 Then
CohortQ = 0
Exit Function
End If
[Code] .....
But when I run it on a date field, it gives me a data mismatch error. I can't step through as it's working on 600K rows.
If I put the function into the query,
Cohort: IIf Year([InputDate]) < 1990 or Year([InputDate]) > 2020, 0 Year([InputDate])*10+DatePart("q",[InputDate]))
it works.
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Jan 31, 2013
I have a small school with number of teachers, every teacher has a specific number of observations in the semester, i need a small project that when i query a bout a teacher, a form appearing with his name and the remaining hours of observation
what i did is i made two tables
teacher (id, name, total number of observations in semester)
observation( Oid, name of teacher, date and time of observation, remaining observations)
I dont know if i have to make a counter or what !!-- Now what i need to do is a form when i enter the id of the teacher, it shows automatically the name of the teacher, and the number of remaining observations
How can i join the two tables and show the results ?
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Jul 9, 2014
I work for a bank and have build a few little DB's for differant groups but my current project is a work flow tool for a department. I have it 90% completed and i still have to build in the reporting side. Part of the reporting is caclulating times and this is where i am having problem.
I have some coding built but i am getting inconsistant results, as an example if i am trying to calculate the total amount of time between [start Time], [End Time] then minus any [Stop Time].
Code:
Me.Total_Time = Format(Int(Workhours(DateAdd("n", Nz([Total_Stop_Time]), [Processor_Date_Stamp]), [Date_Sent_to_RM])), "00") & ":" & Format(Int((Workhours(DateAdd("n", Nz([Total_Stop_Time]), [Processor_Date_Stamp]), [Date_Sent_to_RM]) * 3600 - (Int(Workhours(DateAdd("n", Nz([Total_Stop_Time]), [Processor_Date_Stamp]), [Date_Sent_to_RM])) * 3600)) / 60), "00") & ":" & Format(((Workhours(DateAdd("n", Nz([Total_Stop_Time]), [Processor_Date_Stamp]), [Date_Sent_to_RM]) * 3600 Mod 60)), "00")
I have this on a command button, i have this same code for a few other calculations and in some cases it seems to be working i have just changed my start and stop fields along with what stop time to take out in each case. I have attached some parts of my DB, one of the modules, my main table and the form where i am running the coding.
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Nov 7, 2014
I've been trying unsuccessfully for weeks to try and query a usable data set that would later be used for calculated values in a report.
I'm building a Hospital Acquired Infections Database for my facility to record data and process reports automatically. Previously, I built the system in Excel using VBA and userforms, but the size of the file has become too cumbersome, and now takes too long to process my reports.
So here's the issue.
UNIT_DATA TABLE:
UNIT
INF_MONTH
INF_YEAR
PT_DAYS
CVC_DAYS
IUC_DAYS
VENT_DAYS
APV_DAYS
PT_LEVEL TABLE (There are many fields in this table for recording purposes but I will only list the ones I need for reporting purposes):
UNIT
INF_STE_MAJ
SPECIF_SITE
INF_MONTH
INF_YEAR
So the important numbers I can't seem to collect are the total number infections per month from the PT_LEVEL Table for only select SPECIF_SITE infections.
the Tables are joined Left to Right as Follows:
UNIT_DATA.UNIT - PT_LEVEL.UNIT
UNIT_DATA.INF_MONTH - PT_LEVEL.INF_MONTH
UNIT_DATA.INF_YEAR - PT_LEVEL.INF_YEAR
The UNIT_DATA Table is a monthly collection for the 5 metrics (PT_DAYS, CVC_DAYS, IUC_DAYS, VENT_DAYS, APV_DAYS) regardless of whether or not the number for each is zero. Every unit in the database will have a record for each month and year.
The PT_LEVEL Table will only have records if and when a patient develops an infection. This means there is no cumulative monthly data for the PT_LEVEL Table Data based on SPECIF_SITE infection type.
I need to first do a roll up count for every month and year in the database, for which I was initially trying to use the UNIT_DATA table for since it contains every month and year. The problem is when I try to query the SPECIF_SITE from PT_LEVEL, I can get the number of Infections for months where infections where present for each unit and null values, for each month, and each year in UNIT_DATA, but when I include a where condition to narrow the view to only selected SPECIF_SITE's it only shows data for that SPECIF_SITE for months where they occured.
I need a cummulative monthly aggregation of the totals for a selection of SPECIF_SITE infections, for every unit, for every month, and every year, since July 2010.
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Apr 5, 2013
I am trying to keep records of GST transactions.
I have a problem in figuring out how to do calculations in a query.
How to have the calculation in the attached MDB and Document for field #105_SubTotal and the field #115_PaymentEnclosed.
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Mar 24, 2013
I am trying to do the good 'ol sales report (query) to include customers with no sales.
I have a customers table, account number table, sales table & sales (line) detail table. (all linked in that order)
If I run a query to show customers (in the customer table) with account numbers, that works
An unmatched query to show customer without an account number works (but of course the unmatched account number field isn't shown).
How can I get the two two be shown together with the "unmatched" having a null or 0 for their account number?
I am guessing in principle, the resulting solution can be modified to show customers without sales alongside those with sales?
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Apr 2, 2013
I run a physical therapy office and patients come in for treatment either 3, 4 or 5 times per week. My database is used to track these frequencies (among other things).
I have 3 queries which count how many patients come in 5, 4 and 3 times/week.
In my main table I have fields called "how many 5's", "how many 4's" and "how many 3's".
I have tried to design an update query which will update those fileds in my main table to reflect the counts in the 3 queries mentioned above.
(I'm not using SQL view, I'm using the query design view)
In the "update to:" row, I use the Build function and locate the count I'm looking for.
Problem: when I run the query I get the error: Operation must use an updateable query.
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Mar 19, 2013
I have a query that is showing two results for one product and I have no clue why. I have my tables in a one to many relationship and if I click on the + it shows the correct data for the product in question. Im guessing I have my table set up wrong its the only thing I can think of.
The table tbl_Carton has two entrys for a product (Flex Tape 2-1/16") (Product_PKEY #21) mabe I have it set up wrong? If I run my (qry_Switchboard ) and enter (21) its giving me an extra result for each of the two results thats suposed to be there.why?
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Jul 4, 2013
I'm having a mental block on this one.
I have a table with a yes/no field. It's linked to a form with a yes/no box, but the outcome I want is that if the form box is unchecked, the query returns all the "yes" records - which is trivial; however I want to return ALL the records if the form box is checked.
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Jun 20, 2013
I have an access database which is going to present a front end webpage form. The form has several drop down lists and I need one of those drop down list to display only certain results dependent on what the previous drop down list has selected e.g. if Box A is selected as Aces then I need the next drop down box to only display A building
1-A building
2 A building
3 and not the entire list.
How can i get this to work?
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Mar 13, 2015
In Access 2007, I put into the table, in a certain field, a certain word field, so I put into design view for that query, in that field, Like "Field" and even though the word field is in that table in that field, it doesn't show it in that particular query?
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May 3, 2013
Have created a simple data collecting database with a simple query to narrow down some of the data , the DB all works fine and some queries are ok, but one the simple query where I want to look a one single set of data.Using the Like "*"&[Enter Search Parameter]&"*" gives me no results.
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Nov 5, 2014
I have created a booking system for a travel agency and now when the booking is complete I want to export some summary data to the Excel. The issue is that I have separate tables showing lunch, tickets, tour guides, etc for every destination and I have also created queries showing the total for each destination but the issue is that I cannot combine all the results into one query and export that query to excel.
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Feb 27, 2006
Hi All,
I have a approximately 70 queries in my database. I would like to be able to run a query which would run all of the queries and output the number of records for each query. Ideally, these would then be written to a table so that the user could then just read the values from the table for the latest results, rathe r than have to execute the whole thing again.
The user may wish to select which queries to run. I was thinking that I would need a table as follows called say tblQueryResults:
QueryToRun - Yes/No - DateRun - NumberOfRecords
Query1 - Yes - -
Query2 - Yes - -
...
...
...
Query70 - Yes - -
So my first dilema is to work out how to run all the chosen queries that the user wishes to run. The user will probably have all 70 ticked as Yes initially.
Should I run this from VB code with a whole lot of VB statements. I would like to loop through the whole table and collect a list of all the queries to run based on a positive Yes for some or all of the queries. The results must then go and be written into the same table under the date it was run and the number of records that was found for each query.
The whole reason for doing this is that queries which return no records need not be run by the user - saving the user time etc. I appreciate that this query will take a considerable amount of time - given that it could be as many as 70 being run one after another.
Thanks,
Evan
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Aug 8, 2013
The results of my union query of 2 separate tables looks like:
Name - Count of Participations
Joe Blow - 7
Harry Smith - 11
Kate Upshaw - 8
Joe Blow - 3
Harry Smith - 5
Kate Upshaw - 13
I need to combine the duplicate names and total their participations to make a report look like:
Name - Count of Total Participations
Joe Blow - 10
Harry Smith - 16
Kate Upshaw - 21
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May 20, 2013
i have created a parameter query which will find a students best and worst time for each exercise they have done. so you enter the student ID when you run the query and it works fine but i have a problem i need to query to find two students in particular and then i have to create a report from this query on the two students identified and this is where i come up stuck. i have tried typing in both student id's into the criteria but this doesnt work no matter if i put and in it or not and im not sure how to get the job done.
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Nov 14, 2013
The Query
'SELECT Count(clubbox) AS MTSingles
FROM moves WHERE (((moves.cmrdate)>[Forms]![CPanel]![Text44] And (moves.cmrdate)<[Forms]![CPanel]![Text46]) AND ((moves.driverid)=[Forms]![CPanel]![Text38]) AND ((moves.move)=35) AND ((moves.clubbox)=32));'
returns about 60 records, how do i assign the results to a tempvars
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Sep 17, 2013
We have a need to produce hex and ascii in the same results field.
The field with data will be bound to a 2D barcode (the square ones you see everywhere now). The format of the data is to look like this:
[)><RS>06<GS>xyz<RS><EOT>
The <RS>, <GS>, and <EOT> all need to be hex values as follows:
<RS> = Hex 1E, Decimal 30
<GS> = Hex 1D, Decimal 29
<EOT> = Hex 04, Decimal 04
When I run my Access query as follows:
BarCode: "[)>"&Hex(30)&"06"&Hex(29)&"xyz"&Hex(30)&""&Hex(04)& ""
It produces the following:
[)>1E061Dxyz1E04
So, it just converts it to ASCII; however, when I go to scan it, it actually reads that information also. I need the 1E, 1D, and 04 to actually be scanned as HEX for the validation to occur for our client.
Is it possible using an Access query to return these desired results? If not, I will have to look atother piece of software to produce the bar code labels.
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Jun 16, 2015
From a Access database that I inherited. Users used to be able (from a form) run a query and then add data (i.e, new rows). But now that the the database is split and the backend is on MS-SQL, they no longer can do this. I do not think this will be possible. I think they will have to add data directly to the table or have another form for adding data.
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Jan 29, 2015
Sales will make calls and record data using a form (frmEnquirySpeak) which will save to tblSpeak. If the call results in a meeting being booked then it also updates tblMeeting with a date of the meeting (simple stuff so far!).
A sales person might record up to 14 types of action per day, qrySpeakPerAction counts the different types of call made on a day by day basis for reporting. qrySpeakGroupedAction summarises this down to 8 categories and applies a date filter selected on a reporting form (and this works well).
I now want to include the qryMeetingsBookedPerDay (counts m_date_raised and groups by m_date_raised...eg 2 on 24/12/14, 4 on 28/12/14 etc etc) with the qrySpeakGroupedAction...
My effort so far has resulted in only dates which appear on BOTH queries showing. This may not always be the case.
Every day calls will be made, this may or may not result in a meeting. So I see there being 2 options:
1 - Query to show the count of calls on a date or date range and number of meetings booked each day that calls are made (prefer this method, it sounds simpler)
2 - qryMeetingsBookedPerDay should auto populate days which dont appear as 0 (this sounds messy and not sure what capabilities/speed are like when managers want to spot patterns/trends over multiple years?)
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Feb 17, 2014
I have a query that I am using in VBA to select the number of days equipment is past due for service. I have an equipment table with a last maintenance field (tbleqDP with field DPLstMnt) and another table (tblmaintdue) that defines the maintenance interval. I have a query (qrynumdays) that finds the number of days from tblmaintdue for the equipment type based on a value in cboMaintEquipType combobox. The VBA then generates a report based on which type of equipment is selected using a select case statement. An excerpt of the VBA is below:
Select Case cboMaintEquipType.Value
Case "DP"
Set qdf = db.CreateQueryDef("qryoverdue", _
"Select DPTag, DPLstMnt, DateDiff(""d"",DPLstMnt,Now())-NumDays AS Overdue from tbleqDP, qrynumdays where Overdue > 0")
DoCmd.OpenQuery "qryoverdue"
DoCmd.OpenReport "rptDPmntovrdue", acViewPreview
I am having problems with the "where overdue > 0" statement. It is asking me for parameter value for overdue. How can I get this to automatically filter out any values that are negative - in other words, don't report on equipment that is not past its maintenance interval due date.
Also, I think there is a way around how I am naming my query in the createquerydef function because later I just delete the query after the report is run. Is there a better way to do that.
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May 10, 2013
I have a form that is set to display the results of a query into a subform... How can I get those results to a printer using a button. I don't need it to print the form just all the results that are in the subform.
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May 10, 2013
I am trying to build a calculated field that counts the number of times the letter E appears in 8 fields. the query currently looks like the attachment.
I need to have one more field , lets call it NetFlags, that is the number of times the Letter E is in the row for each Technician.
So for Brown, Tom NetFlags = 2, for White, Paul NetFlags = 4 and Wills,Fred = 0
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Nov 23, 2013
Why does my query return the PK results instead of the field data?
Really new at this but all my other queries work properly...
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Feb 4, 2014
how to conditionally format query results? I have read another forum post that says that query conditional formatting is possible.This database keeps track of projects and their associated tasks & statuses. I created different queries depending on task name( i.e. assignment date, approval date, etc.) Now, with some of the tasks, if it is overdue, it needs to be highlighted red. If it's cutting it close, should be yellow. I can't figure out how to set up a conditional formatting rule to address this. So instead I've had to create to separate queries for "red" and "yellow" rules, and display them separately in the Dashboard form.
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