Counting Number Of Values For A Particular Field
Nov 5, 2012
I need to count the number of entries for a particular item located in a table. To keep it simple, we have a database used to process orders for Turkeys, this database has a field for each order called "Long legged Weight". In order to sort the turkeys in the shed, we need to know how many of each weight there are.
Order Number / 10-12 / 11-13 / 12-14 / 13-15 / (etc)
......1 ................1
......2 ..........................1
......3 .....................................1
......4 ..........................1
Total ..................1 ......2 .........1
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Feb 28, 2008
Hey, I'm new to microsoft access, and I could do with a little help please :) . On a database I have created, I have a table with the field "Results" in it. This field has been set up in the Lookup properties to be a choice from "Win" "Loss" or "Draw". My question is, what is the expression I would use to count the total number of records in my form with "Win" selected?
I tried to set up the DCount expression, but this gave me some odd results.
Currently my database is set up like this,
TBL_Match_Results:
Fields:
GameNumber (Autonumber + Primary key)
Date
Result (With the choices above)
Then I made a continuous form from this table, and on the Form Footer I had a text box with the value,
=DCount([GameNumber],"TBL_Match_Results",[Result]="Win")
I had hoped this would simply give me the total number of records with a win in them. However, insted the value changes depending on which record I have selected on the form. It is "10" if the selected record is a win, or "0" if it is not. I'm not sure if the problem is the poorly written expression (I'm not 100% sure how to work them), or if I'm even using the right expression (I was only told to use DCount). If anyone could shed some light on this, I would greatly appreciate it!
EDIT: I've just realised where the 10 is coming from, it's the number of records in my table, when i added a new one it changed to 11.
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Feb 28, 2008
Hey, I'm new to microsoft access, and I could do with a little help please . On a database I have created, I have a table with the field "Results" in it. This field has been set up in the Lookup properties to be a choice from "Win" "Loss" or "Draw". My question is, what is the expression I would use to count the total number of records in my form with "Win" selected?
I tried to set up the DCount expression, but this gave me some odd results.
Currently my database is set up like this,
TBL_Match_Results:
Fields:GameNumber (Autonumber + Primary key)DateResult (With the choices above)
Then I made a continuous form from this table, and on the Form Footer I had a text box with the value,
=DCount([GameNumber],"TBL_Match_Results",[Result]="Win")
I had hoped this would simply give me the total number of records with a win in them. However, insted the value changes depending on which record I have selected on the form. It is "10" if the selected record is a win, or "0" if it is not. I'm not sure if the problem is the poorly written expression (I'm not 100% sure how to work them), or if I'm even using the right expression (I was only told to use DCount). If anyone could shed some light on this, I would greatly appreciate it!
EDIT: I've just realised where the 10 is coming from, it's the number of records in my table, when i added a new one it changed to 11.
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Jun 8, 2015
I want to use to count how many times a record is displayed in the period and lesson field, in another table, so that this data can be used to show how many people are attending a class. e.g how many times people are attending art 1, by counting how many times art one appeared in the first table.
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Jun 18, 2015
I want Access to automatically generate a reference number for a record based on the values in on two other fields for a given record using a form.
The first field is called Operation Number.
The second is Bag Number.
The reference number needs to be in this format: 19C.3.1
Where 19C is the Operation Number, 3 is the bag number, and 1 is automatically generated. Additionally I need the last number --the automatically generated one--to go back to 1 if with each new bag number.
This is kind of like library catalog numbers. Not sure how to do this.
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May 31, 2013
I'm creating a database using existing data from an excel file full of contact details. What I need to add is a queue type system where each contact in the database has a "Place in Queue" number which is unique obviously.
Lets say Alan is number 1, Bob is 2 and Chris is 3. They have these corresponding numbers in the queue field for their entries.
Now what I need to have, through use of a form, is a way of changing Chris from number 3 in the queue to number 1 and thus have Alan automatically shift down to number 2 and Bob to 3.
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Feb 2, 2006
Hi I have a table that looks like this:
Col1 Col2 Col3 Col4 Col5 Col6
1 A B C D E
2 A B C D F
3 A B C G H
4 A B J K L
5 A D M N P
Does anyone know how I can run an SQL query to count how many letters there are For example : 5 A's 4 B's 3 D's Etc
Cheers,
bikeboardsurf
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Aug 13, 2004
Whats up all U brilliant people,
I am baffled again. I need to print a report that can count the number of entries in a database or query. Basically I am looking for the equivalent of the countA function in Excel. All advice is welcome.
Eternally Grateful,
Khepra
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Feb 11, 2007
I've been searching the Queries Forum for help on this issue. I have a database that records loading records for a Taconite facility. Some days contain many records and on other days there are no records because of no loading activity. I create reports that group these loading records by each day, but I really need a quick and dirty report that just shows me the number of days in any month in which we had loading activity (records present). I have not figured out a way to create a query which counts the number of days in a month which contain records. I'm hope I'm explaining this well enough for someone to help me understand what to do.
Thanks ... Erik
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Dec 7, 2006
How would i count the total number of records on a form
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Sep 20, 2013
I have a table that tracks different events and the actual date they occurred. I am trying to write a query that counts the number of each event that occured by month. One issue I am having is if an event had no occurrence during a month I want to return 0 raher than no data for that event.
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Jul 16, 2005
MY QUESTION:
I’m using Access 2002.
I’m trying to create a query that will COUNT the number of values within 1 hour time bins (e.g. 00:00 to 00:59, 01:00 to 01:59 etc). The catch is that I need to have every hour bin represented whether there is any value in it or not. I believe that I need to create a separate table of the bins that I want (include bin start-value & stop-values) and then bring this table into my query and join it to the original table.
I was able to construct the make table query below to COUNT the values in hour bins for which there were records, but I also need rows for all of the zero values;
SELECT [All NWHI Detections].Species, [All NWHI Detections].Transmitter, [All NWHI Detections].Island, [All NWHI Detections].Location, DatePart("yyyy",[All NWHI Detections.Date]) AS [Year], DatePart("m",[All NWHI Detections.Date]) AS [Month], [All NWHI Detections].Date, [All NWHI Detections.Date]-[SharkTaggingSummaryTable.DateDeployed] AS [TimeSinceTagged(days)], CDate2Julian([All NWHI Detections.Date]) AS [Julian Date], DatePart("h",[All NWHI Detections.Time]) AS HourBin, Count([All NWHI Detections].Time) AS TotalNumberofDetections INTO [GLM HourlyBins]
FROM SharkTaggingSummaryTable INNER JOIN [All NWHI Detections] ON SharkTaggingSummaryTable.Transmitter = [All NWHI Detections].Transmitter
GROUP BY [All NWHI Detections].Species, [All NWHI Detections].Transmitter, [All NWHI Detections].Island, [All NWHI Detections].Location, DatePart("yyyy",[All NWHI Detections.Date]), DatePart("m",[All NWHI Detections.Date]), [All NWHI Detections].Date, [All NWHI Detections.Date]-[SharkTaggingSummaryTable.DateDeployed], CDate2Julian([All NWHI Detections.Date]), DatePart("h",[All NWHI Detections.Time])
HAVING ((([All NWHI Detections].Species)="tiger"))
ORDER BY [All NWHI Detections].Transmitter;
Q1? Creating the hour bins table
This table will be very large because it will need to have 4 years worth of hour bins for each transmitter (N=15) and location (N=12). This results in 6,307,200 hour bins! How can I write a query to create this table, or is there a better way of doing this?
Q2? Bringing the hour bins table into the main query.
How do I include the hour bins table in the main query to get my final result.
Any help would be greatly appreciated! Thank you.
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Nov 26, 2007
Hi All, I have read a few posts on here but can't quite get a solution to my particular issue.
I have two tables in a query:
tbl_suppliers
tbl_supplier_perf
tbl_suppliers is right joined with tbl_supplier_perf by
[Location Name]----->[Supplier]
No as part of tbl_supplier_perf there is a YES/NO checkbox, where it can be ticked if there is an issue with a supplier delivery. This field is called [Issue?].
I want to report all suppliers (not just those with records in tbl_supplier_perf) with a count of the amount of records created in tbl_supplier_perf with a tick in [Issue?]. So if no records in tbl_supplier_perf have [Issue?] ticked it will just report 0.
Basically the query needs to report all suppliers with a count of how many records have been ticked "YES". It is a check box so I believe they are recorded as 0 and -1.
I believe I need to use Dcount but I do not know how to get that in to my existing query!
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Dec 9, 2014
As part of the report I'd like to have a table that would list all different values in column in column A and the number of times they appear in the table in column B.I have a bit of a hard time how to populate the table the easiest way.I have all the values in a separate source table, so first column is easier. but do i have to write the dcount statement for each row for second column?Could I display results of query as subquery in report.If you have a bunch of textboxes with increasing names like NameBox1... for for/next loops in reports... is there an easy way to assign those names?
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Aug 20, 2004
Hi all,
Is there any option to count the number or records relating to
a specific field. Here is the details..The db is for a school and there is a tables for
class and students. I am using a form to enter students details. I had created a
relationship with these two tables. i am using a query to get the details regarding a specific
class like classname, class teacher like that.. Is there any way to calculate the number of students in that specific class.
now i am using the query as follows
SELECT Class.*
FROM Class
WHERE (((Class.ClassID)=[Forms]![Class]![ClassID]));
I had created the relationship with the above two tables with classid as the primary key
thanks in advance
Thanks
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Aug 24, 2004
Hello all. I need some help calculating the total number of records returned in a query anytime i run the query.
I have a form that creates an SQL statement and changes the querydef at runtime and displays the results in a listbox. I want to include on my form a percentage of the total records from the table based on the records returned in the query Ex. (5/10) so I can use this information on a report.
What I am trying to ultimately acheive is to calculate an attrition rate based on the number of (clients that leave in a given period / total new clients added in the given period )
thanks for your help!
tony-t
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May 24, 2013
I'm after some code as to how to count a number of records within a table, I then want to have this number returned into a variable so I can determine usages with it, e.g. If the value is < 1 and using conditional statements.
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Oct 22, 2013
I built the below query to count the number of ID's for each week. The problem is that if one month ends mid-week it is counting the next month's IDs in the first month. I need to count the number of IDs within each week by month. I have the first qryGroupbyWeek that assigns a week number to each date then the below query to aggregate.
Code:
SELECT qryGroupbyWeek.Week, qryGroupbyWeek.[Approved Date], qryGroupbyWeek.ID
FROM qryGroupbyWeek
WHERE (((qryGroupbyWeek.[Approved Date]) Between [start] And [end]))
ORDER BY qryGroupbyWeek.ID;
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Feb 12, 2013
I have about 150k rows that look like this
SHORT_DESCRIPTION
unable to view
unable to send out some stuff
what is going on
Is it possible for access to query through each field, and tell me the total number of occurence for each word? In this small example, the output would be:
Unable 2
to 2
view 1
send 1
out 1
some 1
stuff 1
what 1
is 1
going 1
on 1
Is this possible?
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May 11, 2012
I have a query to calculate the monthly depreciation for a machine for specific period of time.
My problem is how to get the number of months for each period assuming i want to start from month September 2009 till may 2012.
Attached the data extracted by the query.
I want to calculate the depreciation to be grouped year by year in report.
[TD][TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
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Nov 29, 2007
Hi, I searched the forum for this but the only thread that came close to what I was looking for was this.
http://www.access-programmers.co.uk/forums/showthread.php?t=125240&highlight=null+chart
Basically I have chart in a report thats based on a query that counts the amount of entries per month between two dates inputted by the user.
It all works fine but the chart that is based on the query only shows months that have an entry.
Eg if it counts all dates between the two dates and say the only month that has an entry is July, the chart will only show July. What I want is the other months to show (Null values) as zero, so every month shows. I'm probably missing something basic but can anyone help?
[TextPriDate] is the start date
[TextPriDate2] is the end date
This is the query code (QryDate)
SELECT
tblMain.ID1, tblMain.Dt
FROM
tblMain
WHERE
(((tblMain.Dt) Between [Forms]![frmSwitchboard]![TextPriDate] And [Forms]![frmSwitchboard]![TextPriDate2]));
This the code from the chart in the Report
SELECT
(Format([Dt],"MMM 'YY")) AS Expr1, Count(*) AS [Count]
FROM
QryDate
GROUP BY
(Format([Dt],"MMM 'YY")), (Year([Dt])*12+Month([Dt])-1);
Thanks
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Mar 5, 2008
I have a spreadsheet and the only column that matters is D.
Down column D it appears as:
a
b
b
b
c
c
d
e
f
c
a
I need the result to just appear like
A - 2
B - 3
C - 3
D - 1
E - 1
F - 1
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Sep 19, 2013
I have been tasked to create a DB for my unit. I have created a few DB, but I am a novice at best. I need a crosstab Query to count the number of records for each FY. The Army's FY is from Oct -Sep. I only need to show the the total number of record for the previous FY in a Report and on a form.
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Oct 11, 2013
I'm creating a report for an imaginary "medical clinic's database", the intended function of which is described as follows: "Create a statistic that shows the total number of distinct drugs prescribed to a patient."
Where I'm at:
I've created a query called UniqueDrugs containing drug and patient info. The SQL is:
Quote:
SELECT DISTINCT Drugs.Drug_Name, Patients.[Patient _ID]
FROM Patients INNER JOIN (Drugs INNER JOIN Prescriptions ON Drugs.[Drug_ID] = Prescriptions.[Drug_ID]) ON Patients.[Patient _ID] = Prescriptions.[Patient_ID]
GROUP BY Drugs.Drug_Name, Patients.[Patient _ID]
ORDER BY Patients.[Patient _ID];
The results of this query seem to be what I need. All I need is for the count formula that I use to return the number of distinct drug names there are that are related to a patient's ID.
I've created a report and I've put the following formula into a text box:
=DCount("[Drug_Name]","[UniqueDrugs]","[Patient_ID]=[PID]")
Where PID is the name of another text box in the report that contains the Patient ID that I want to compare to the drug names returned by the query.
However, this *always* results in #Error, no matter how I change the formula.I have been led to believe that syntax is not the issue, as the following formula worked as intended for a different task:
=DCount("[Prescription_Date]","[UniqueYearQuery]","[Patient_ID]=[PID]")
How do I use a DCount to return the number of different drugs that have been prescribed to a patient?
If it did not require the number of different drugs, I would simply use the following formula, which works just fine:
=Count(Drug_Name)
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May 27, 2014
I need to count the days that an item of equipment is used for the last week?
The problem comes if an item is deployed within the week i.e not used for the full week?
I have two fields - MobDate and DeMobDate
I have to create a third called NOD (number of days) which will display the number of days in the previous week that the item was hired out.
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Dec 5, 2014
I have the following dataset in a table called NR_PVO_120. How do i pick out a number (which can change but let's say, 6) of UNIQUE OtherIDs without excluding any OtherIDs under any fax numbers?
So, if you pick OtherID from Row7 you then also must pick OtherIDs from rows 8 and 9 because they have the same fax number. Basically, once you pick an OtherID you're then obligated to pick all OtherIDs that have the same fax number as the one you picked.
If the number requested (6 for this example) isn't possible then "the closest number possible but not exceeding" would be the rule.
For example, if you take OtherIDs from rows 1-10 you will get 6 unique OtherIDs but row 10 shares a fax with rows 11 and 12. You either need to take all 3 (but that will raise the unique count to 8, which isn't acceptable) or skip this OtherID and find one with a fax that has no other OtherIDs and that isn't on the result set already. My result of 6 UNIQUE OtherIDs will need to contain ALL OtherIDs under any fax the existing OtherIDs are connected to.
So one solution is to take rows 1-6, 26. Another is to take rows 1-4,10-14.
There will be many possibilities (the real dataset has tens of thousands of rows and the number of people requested will be around 10K), as long all OtherIDs connected to all faxes on the result set are part of the requested number (6 in this case) any combination would do.
A few notes.
1.Getting as close as possible to the requested number is a requirement.
2.Some OtherIDs will have a blank fax, they should only be included as a last resort (not enough OtherIDs for the requested number).
my table (NR_PVO_120)
Row OtherID Fax
1 11098554 2063504752
2 56200936 2080906666
3 11098554 7182160901
4 25138850 7182160901
5 56148974 7182232046
6 56530104 7182234134
[code]....
A few sample outputs
one solution is taking rows 1-6 and 26.
OtherID
11098554
56200936
25138850
56148974
56530104
56148975
Another solution is taking rows 1-4 and 10-14.
OtherID
11098554
56200936
25138850
56024315
56115247
56148974
This is for a fax campaign, we need to make sure no fax number is faxed twice, that all people connected to that fax number are contacted under one fax sent.
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