Counting The Number Of Records Returned In A Query
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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Aug 11, 2015
I'm trying to run a line of code after doing a Query Search that reports back the total number of results pulled from the search. I've dug around and found some useful code, but nothing that gives the results I'm needing. Most everything gives me the total number from the query. I'm also using a Split Form.
The process goes: Enter numeric search in Text10 and hit the search button to run the following macro: [studentID]=[Forms]![Query1]![Text10]
It then gives me the requested information.I have a second text box (Text19) that needs to display the number of pulled results. I've written VBA that only gives me the total number searched for studentID or for the entire Query.
Can I simply add an additional line to the Macro?
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Aug 20, 2004
i have a query that returns anywhere between 0-20ish records, and i need an efficient way to count how many records are returned. any ideas?
i was also wondering if there is a more efficient way to do this:
Code: [Text127] = DLookup("[Comments]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text175] = DLookup("[Performed]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text177] = DLookup("[Model]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text179] = DLookup("[Serial]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text181] = DLookup("[System]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text183] = DLookup("[HComments]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)[Text201] = DLookup("[Labor]", "orderheaderz", "[OrderNumber] = " & GlOrderNumber)
mabey i could condense them into one Dlookup somehow? any ideas?
thnx for your help
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May 15, 2005
Hi,
I would like to count the number of records returned from a query, but am unsure how to do this using VBA.
Any help appreciated.
Thanks
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Mar 9, 2013
I am trying to use Dcount to find the number of records in a query and put it on a text box in the header of a report. The query is a parameter query. The button opens a form which asks for start and end dates, the query reads those dates from the form and the report displays the correct number of records that fall within the date range. The query is based on another query, which is based on the table. I tried =dcount("*","qryName") but I get #error. Maybe becauase of dates? or parameters?
Access 2010, Windows 7
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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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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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Aug 4, 2014
All; using 2010. How can I get a subform to grow or shrink based on num of records returned? Its a continuous subform. Tried changing Vertical and Horizontal Anchors as well as some VBA suggestions but havent been able to make any of them work.
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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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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 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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Nov 1, 2006
Hi,
I have made a query from different tables; however, my query is returning about 5 rows for each person because some fields in the query return more than 1 row.
Is there anyway to fix this problem?
Thank you,
B
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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]
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[TD][/TD]
[TD][/TD]
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[TD][/TD]
[TD][/TD]
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
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Jan 9, 2008
Hi all, I've searched this with no success.
I have a ODBC (Firebird) table linked using a DSN connection which has >300 fields. In Access, the linked table only show 256 fields (max for Access). Otherwise the link works fine. I have no control over the source Firebird table.
What I'd like to do is limit which fields from the Firebird table are shown in Access. I don't need all the fields, but I need some that are at the end and are not linked in the current setup.
I'm very much a novice at using ODBC, but can I somehow use SQL or some other method to specify which fields to show in the linked table?
Thanks for any suggestions,
John
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Mar 21, 2007
I have a strange 'bug'.
I wrote a query to return the TOP 32 items for a key. Works fine:-
SELECT TOP 32 [my Disks Coefficients sub].[thier Disk ID] FROM [my Disks Coefficients] AS [my Disks Coefficients sub] WHERE [my Disks Coefficients sub].[my Disk ID]=1 GROUP BY [my Disks Coefficients sub].[thier Disk ID], [my Disks Coefficients sub].coefficient ORDER BY [my Disks Coefficients sub].coefficient;
I then plugged this into a query in the WHERE clause using In (Select Top .....;); [changing the =1 condition to pick up the correct id from the emcompassing query]:-
SELECT [my Disks Coefficients].[my Disk ID], [my Disks Coefficients].[thier Disk ID], [my Disks Coefficients].coefficient FROM [my Disks Coefficients] WHERE [my Disks Coefficients].[thier Disk ID] In (SELECT TOP 32 [my Disks Coefficients sub].[thier Disk ID] FROM [my Disks Coefficients] AS [my Disks Coefficients sub] WHERE [my Disks Coefficients sub].[my Disk ID]=[my Disks Coefficients].[my Disk ID] GROUP BY [my Disks Coefficients sub].[thier Disk ID], [my Disks Coefficients sub].coefficient ORDER BY [my Disks Coefficients sub].coefficient;);
This runs fine but the the number of items returned is for each key is less than if I run the Top query by itself for each key seperately? So when I run it stand-alone for ID 1 I get 127 rows (there are many equal coefficients); when I run it as a sub-query I get only 121 rows for ID 1!
Anyone any ideas?
Martin
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May 17, 2005
I can get the number of records to be returned but I want to run a condition if the records returned is zero. To do this, I need to put the number returned into a variable but I haven't been find a way.
For instance, this code does work:
SQL = "SELECT Count(*) AS Records FROM Table1 GROUP BY Table1.Quantity HAVING (((Table1.Quantity)=4));"
conDatabase.Execute SQL
But I want to store the count as a variable. What I want is something that look this (it doesn't work but I just want to give an idea what I'm looking for)
SQL = "SELECT Count(*) AS Records FROM Table1 GROUP BY Table1.Quantity HAVING (((Table1.Quantity)=4));"
Dim hold as Integer
hold = conDatabase.Execute SQL
If(hold = 0) Then
'tell them nothing returned
End If
So how can I go about this?
Update: I see that someone posted a solution a few threads down using queries which did work. Can I still still do the same thing with SQL strings?
scratch
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Aug 21, 2007
I'm using a very basic query
SELECT DRAWING_desc
FROM Drawing
WHERE DRAWING_desc Like '%L%'
I've got a table called Drawing, and a column in that table called Drawing_desc
I want all records returned that have the letter "L" in them.
When I run this query, I get nothing
If I replace the '%L%' with "*" it returns all records like you'd think it would.
What gives?
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Dec 5, 2004
I am trying to create a Membership report that shows member activity over several months.
My problem is that the software that gives me the Member Activity does not report on accounts that were not used during that month
and some members do not come in every month.
I have a Member's Details table as well as individual months activity and have queries set to show the results of each month individually (these work, obviously)
The Reports I am trying to get from Access only show the activity of Members that have some movement every month, but totally skips members that are not present for 1 or more.
The report uses these queries but fails to report any member that is not in the tables for all months.
Example:
September
Rank Member FirstName LastName Activity
1 100 Andy Todd 200
October
Rank Member FirstName LastName Activity
November
Rank Member FirstName LastName Activity
5 100 Andy Todd 50
The report needs to show: Member FirstName LastName Sept.Rank Sept.Activity Oct.Rank Oct.Activity Nov.Rank Nov.Activity
but will not because there are no values for that member in October.
I am teaching myself Access as I go, so I am sure there is an easy solution.
Any help greatly appreciated.
Andy
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Oct 10, 2006
I am writing a query to determine employee's commissions. The commission rate changes for all order over the first 15 per employee per week. What would be the best way to write the formula?
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Nov 15, 2012
I have two tables, RMA Numbers and Serial Numbers. Each RMA number will have multiple serial numbers assosiated. I need to find a way to count how many serial numbers are assosiated with each RMA number.
I think the best way to do this is in a query using the dCount function some how.. but I can't figure out how to get it to count different serial numbers for the same RMA number.
I also considered writing my own function to do it.. but it got really messy and there must be an easier way to do it..!?
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Aug 17, 2005
Hello everyone! I'm new to this forum and this forum has been a very useful resource on creating my first database. I know nothing about coding and this is my first time trying to create an Access database for work. I have been working on this database for more than 4 months and this forum really helps me from creating tables all the way up to forms. THANK YOU!!
Now, I'm struggling on creating reports that counts records from my tables. Here are two of my problems:
First:
I have a main table called "tbl_main" which records students' basic information, including their birthday in a column called [dob] in mm/dd/yyyy format. I need to create a query that counts how many students in age 11, 12, 13, 14, 15,16, and 17 separately so I can list them on a report.
Second:
I have a enrollment history table called "tbl_enrollment" which records dates that students had been in and out of the school. Since a student can re-enroll for more than once, there are more than one record for the same student. I have student ID [idnumber] and admitted date [admitted] columns in this table. I need to create a query that gives me a total number of enrollment, number of one-timer, and number of repeater, so I can list these numbers on a report.
For both reports above, user will input a timeframe to count particular number of records. Thanks to this forum, I already have a working form with start/end fields for user to input. What I'm struggling is creating queries to count records.
Thanks again for spending time reading my first post in this forum and I hope I can get helps from anyone of you. Since I'm not a programer, you may need to step-by-step walk me through the whole process. Sorry!!
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Jun 1, 2006
I'm having trouble getting a query to return a simple count of unique lot numbers for a given ProductID. The data is stored in a large table where each test result of a stability program is stored. Each result has an associated lot number, product id and several other data fields. I've managed to get a combination querries to return the count, but if the lot has both real time and accelerated data then the counts are added and reported as double for each type. The current SQL is as follows.
SELECT tblProducts.ProdName, Count(qryAccelerated.Lot) AS AccelCount, Count(qryRealTime.Lot) AS RTCount
FROM qryRealTime RIGHT JOIN (qryAccelerated RIGHT JOIN tblProducts ON qryAccelerated.ProductID=tblProducts.ProdID) ON qryRealTime.ProductID=tblProducts.ProdID
GROUP BY tblProducts.ProdName
ORDER BY Count(qryAccelerated.Lot) DESC , Count(qryRealTime.Lot) DESC;
qryAccelerated and qryRealTime are simple SELECT DISTINCT querries returning the product id and a list of unique lot numbers for that ID.
(e.g. SELECT DISTINCT tblResults.ProductID, tblResults.Lot FROM tblResults WHERE (((tblResults.TypeID)=3));)
Currently the top query returns 4 in the both the AccelCount and RTCount columns when there are only 2 unique lots for the product. Other products without both real time and accelerated lots count correctly.
Any help is greatly appreciated. Thanks.
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Aug 14, 2015
I'm running into an issue where I'm trying to tie several queries together into a list one running total. I have six queries that pull data from the same table, but that meet specific criteria. What I was trying to accomplish was to have a 7th query count the records in each of the six queries, and return the results as a different value for each. Here's an example:
Queries:
qry_1A
qry_1B
qry_2A
qry_2B
qry_3A
qry_3B
Final product:
qry_totals:
1A | 1B | 2A | 2B | 3A | 3B |
20 | 15 | 33 | 19 | 12 | 6 |
What I tried:
Field: 1ATotal: Count([qry_1A].[valueName])
Total: Expression
And I did this for each field that I wanted the query to return, so:
Field: 1BTotal: Count([qry_1B].[valueName])
Field: 2ATotal: Count([qry_2A].[valueName])
Field: 1BTotal: Count([qry_2B].[valueName])
Field: 3ATotal: Count([qry_3A].[valueName])
Field: 3BTotal: Count([qry_3B].[valueName])
The problem is that I don't get what I expected - the query appears to be totaling all the records counted and applying that value to all the fields, so I get this:
1A | 1B | 2A | 2B | 3A | 3B |
105|105 |105 |105 |105 |105 |
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May 10, 2013
I have constructed a neat database for randomly quizzing myself on French translations. However I need a simple way of counting the records in an underlying query "vocabularyQ" inside a sub routine. I have tried all sorts of statements the most recent being
SELECT Count(VocabularyQ.ID) AS CountOfID FROM VocabularyQ
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Sep 23, 2005
Okay, I have a unbound form with three combo boxes the selection of these three & then clicking of a filter button opens the relevant form showing records based on the selection. Great that bit working, no major feat.
Trouble is when I select three criterea in the combo boxes that no record(s)exist for and hit the filter button. A blank form appears not very friendly or appealing.
what I'm after is a simple, thats me all over by the way, of a message box appearing to tell the user no records where found.
Any ideas, starters for ten on this one?
:cool:
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