Queries :: Count Unique Dates
Jan 10, 2014
I have 2 linked tables, tblPN & tblReceivedDate. tblPN has field PN and tblReceivedDate has field [Received Date]. The tables are used to record the receipt of different part numbers and the date they received. I want to use a query to count how many times a part number is received. The catch is that I only want to count a part once even if it is received more than once on the same date. With the data in the attached DB the count for PN 123 would be 5.how to configure the query to do what I need to do?
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Aug 4, 2015
I want to do a unique count of dates when an activity was done in my table. The table may have multiple entries of the activity performed possibly on the same date by an individual
e.g. table entries
Code:
approvalNoSys dateAssessed Activity
100 01/08/2015 Audit
100 01/08/2015 Audit
100 01/05/2015 Audit
100 01/05/2015 Audit
100 01/02/2015 Audit
100 01/01/2015 Audit
Unique audit Count must equal 4
Code:
totV = ECount("[dateAssessed]", "R_P_Data_P", "[approvalNoSys] = '" & [Forms]![cmrOverview]![txtappNoSys] & "' AND [Activity] Like '*audit*'")
totV = Unique count
dateAssessed = date field in R_P_Data_P table
R_P_Data_P = table
"[approvalNoSys] = '" & [Forms]![cmrOverview]![txtappNoSys] & "' = criteria for the customer in question to separate them from many other customers in the table.
Activity = text field in R_P_Data_P table
audit = the activity
I'm also trying to avoid having to build total queries etc to them reference them, I'd like getting the desired outcome in an expression or small code.
I read about Ecount but my complier doesn't recognise the function
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Aug 1, 2014
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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Jul 8, 2014
I have two tables with dates. Between (!) every two following dates in table1, I want to know the number of dates in table2. How do I write an SQL query for this? The tables I have are up to a few hundred records in table 1 and a few thousand records in table2. So to prevent that this takes hours I need a fast query.
To explain the query I need, for example:
table1
01/01/2014
15/01/2014
17/01/2014
30/01/2014
table2
01/01/2014
02/01/2014
05/01/2014
17/01/2014
18/01/2014
20/01/2014
21/01/2014
25/01/2014
So the answer of the query would be 2,0,4.
Explanation:
Between 01/01/2014 and 15/01/2014 in table 1 there are 2 dates in table2 (01/01/2014 is not included between the dates)
Between 15/01/2014 and 17/01/2014 in table 1 there are 0 dates in table 2
Between 17/01/2014 and 30/01/2014 in table 1 there are 4 dates in table 2
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Sep 15, 2013
I am currently using the below code to query values that have a unique "OverrideDescription" and where by the "Upload Date" is always the latest.
SELECT t1.*
FROM [DaisyServiceRates-Amended] AS t1 LEFT JOIN [DaisyServiceRates-Amended] AS t2 ON (t1.OverrideDescription = t2.OverrideDescription) AND (t1.[Upload Date] < t2.[Upload Date])
WHERE t2.OverrideDescription IS NULL;
However I also need to be able to do a unique count of the [OverrideDescription] field.
I have found methods whereby I can do use, but they all use a GROUP BY function, the issue being that when I use this method it prevents be from updating the values saying "recordset not updateable".
Any method that does not use the GROUP function. I did also try preforming the COUNT on a separate table and doing as JOIN, but this also prevented updates to the date.
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Jan 16, 2014
I have a basic query off a currency table :
Quote:
SELECT tblCurrencies.CcyID, tblCurrencies.Ccy
FROM tblCurrencies
ORDER BY tblCurrencies.Ccy;
Now - I have a separate table of balances, which is linked to the currency table by the same CcyID, and which also has identifiers to link it to other tables (e.g. AccountID)
As part of the above query, I want to return the count of unique AccountID's in the balance table for each currency. So in other words, I want to know, for each currency, how many unique accounts exist?
Each AccountID could appear one or more times in the balance table (one-to-many relationship), so I only want to count the number of unique ID's.
So I started with the following :
Quote:
SELECT tblCurrencies.CcyID, tblCurrencies.Ccy, Count(tblBalances.AccountID) AS NoOfAccounts
FROM tblCurrencies INNER JOIN tblBalances ON tblCurrencies.CcyID = tblBalances.CcyID
GROUP BY tblCurrencies.CcyID, tblCurrencies.Ccy
ORDER BY tblCurrencies.Ccy;
But this just gives the number of AccountID's per currency (regardless of duplication within them)
I found this article which informs me that a Count(Distinct) query won't work in Access and to use subqueries instead.
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May 28, 2014
I just can't seem to get this one to work right. I've got the following query. I need to count the number of Null dates or show zero if there are no Null Dates.
Code:
SELECT DISTINCTROW qryNoticeResponseNew.fldNoticeID, Count(qryNoticeResponseNew.[fldResponseSeen]) AS fldCount
FROM qryNoticeResponseNew
GROUP BY qryNoticeResponseNew.fldNoticeID;
Which is just counting the number of dates so far. It got me to thinking I need to do something like this.
Code:
SELECT DISTINCTROW qryNoticeResponseNew.fldNoticeID, IIf(IsNull(qryNoticeResponseNew.[fldResponseSeen]),1,0) AS fldCount
FROM qryNoticeResponseNew
GROUP BY qryNoticeResponseNew.fldNoticeID;
Which pops a "cannot have aggregate function in expression" error.
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Mar 18, 2013
I currently have a query of between dates which the user enters, but when I try to get a total count of model numbers it gives totals for each date. I am trying to get a count of model numbers between these dates with the dates excluded in the grouping.
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Jul 3, 2015
I am using Access 2013.I am trying to create a query that will count the days difference between two dates. The dates are in the same field. I want to group by Region.So:
tblRegion = RegionID
tblStatus = StatusDate
I know how to use the DateDiff when it is two different fields, but I can't figure out how to do it from the same field.
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Sep 20, 2007
Hello,
I noticed my subject has been discussed numerous times in this forum. I must have read nearly all topics, but I simply can't get it to work.
I have a table listing: country | category | article | turnover
I wish to make a query which gives me:
country | sum of turnover | count of (unique) categories used by this country | count of (unique) articles sold by this country.
This way I can evaluate with how many different categories a certain country achieves a certain turnover...
It look so simple but I can't figure it out. I hope I'm clear in my question.
HEEELP!
Cheers,
Stefan
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Sep 15, 2006
Hello, I am new to Access and trying to run a query that will count only unique invoice numbers in my table. I am sure this is an easy command, and thank you for your help!
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Sep 10, 2003
Hi there:
I have a Question
In Access 2002 (XP) I have to write a query that displays unique Id's:
For Example:
CustomerID Company Name
1 ABC INC
1 ABC INC
2 XYZ INC
2 XYZ INC
3 PQR INC
The query should be 3 records.
But for some reason when I write the query in sql view it doesnot work.
Thanks,
Ashi
http://www.ringvirginia.com
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Sep 30, 2013
In a report, I have a textbox to show the number of employees in the report.
I use this formula : =Count([last name])
Sometimes the same person has multiple entries, so the count is wrong.
How can I show only the number of different employees and ignore the duplicate names?
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Sep 20, 2005
Not sure if I worded my subject correctly. Here's my problem.. I've used query to combine 2 tables of data..
Here are my fields..
I've assignment_num field, project_num field, project_name field, emplyee_name field.
here are my data..
assignment_num field: 1001, 1002, 1003, 1004, 1005
project_num field: 20,20,15,16,15
employee_name field: tom peter, tom peter, tom peter, julie, sally
What I want is to display the employee name with 2 projects or more...
What i have done?
I've done a group by and then count project_num field.. I also added a condition whereby the countofproject_num > 1.. everything went well except that the countofproject_num display 3 instead 2..
pls help.
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Oct 27, 2014
I have a report. behind that report is a query.
The query returns the parts used for each job. This could be 1 to many, so I get 1 to many rows returned in the query for each job. There can be a number of jobs to a work schedule (I'll call this WS). Each job is for a particular model. So I bascially have
WS1 JOB1 MODELx PART1
WS1 JOB1 MODELx PART2
WS1 JOB1 MODELx PART3
WS1 JOB1 MODELx PART4
WS1 JOB2 MODELw PART7
WS1 JOB2 MODELw PARt8
WS1 JOB3 MODELx PART5
WS1 JOB3 MODELx PART6
I want to count the number of jobs each model appears in ie MODELx appears in 2 jobs, MODELw appears in 1 job.
I've read DCOUNT can eliminate duplicates but I can't see how to use it to do so.
I have (general gist)
DCOUNT("model number"."query","model number" = [model num])
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Jan 13, 2015
I have the following code:
Code:
Dim rs As DAO.Recordset
Dim db As Database
Dim strSQL As String
Set db = CurrentDb
strSQL = "SELECT DISTINCT tbl_contract_lev.ContractID FROM (tbl_leverancier_gegevens INNER JOIN
[Code] ....
The result of the query is a list fo unique values but by including the "count" function in SQL seems not te be working in combination with "DISTINCT"...
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Jan 19, 2015
Code:
' count records in query
Dim rs As DAO.Recordset
Dim db As Database
Dim strSQL As String
Dim beginDatum As String
Dim eindDatum As String
Set db = CurrentDb
[code]....
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Nov 28, 2006
I have 2 dates. How do i count the number of days between the two dates?
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Nov 19, 2004
I know this is a simple question.
Using the design view in access, what is the setting to get the total number of records between 2 dates?
Thanks
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Dec 7, 2004
Hi
I am trying to count the dates in the datebase, if date given in the textfield and the date in the table are equal.
sql="select dateField,Count(dateField) from Exam WHERE dateField="+dateField+"";
xxx
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Dec 9, 2004
Hi,
sql1="select dateField,Count(dateField) as CountOfdateField from Exam GROUP BY dateField";
rst1=stm.executeQuery(sql1);
while(rst1.next()){
String d2=rst1.getString("dateField");
c=rst1.getInt("CountOfdateField");
System.out.print(d2);
System.out.println("");
System.out.println(c);
while(rst1.next()){
if(d2.equals(dateField)&&(c<3))
{
flag1=true;
break;
}
else if(!(d2.equals(dateField))){
flag1=true;
break;
}
else if((c>=3)&&(d2.equals(dateField))){
flag1=false;
break;}
}
}
I am trying to execute the above part of code. But I am getting required output. Can u suggest me the changes in the code.
jyothsna
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Jan 25, 2006
here goes
im trying to count the number in a group between a time period. the query takes a time period from a form runs then reports who and how many heres what i get
SELECT tblEstimate.Client, Count(tblEstimate.Recieved) AS MyCount
FROM tblEstimate
GROUP BY tblEstimate.Client, tblEstimate.Recieved
HAVING (((tblEstimate.Recieved)>=[Forms]![frmEnquireFront]![EqfromDate] And (tblEstimate.Recieved)<=[Forms]![frmEnquireFront]![EnqtoDate]))
ORDER BY tblEstimate.Client;
Client MyCount
Amey Vectra Ltd 1
Amey Vectra Ltd 1
Ashworth Mairs Group1
Property Consortium1
Property Consortium1
heres what im trying to achieve
Client MyCount
Amey Vectra Ltd 2
Ashworth Mairs Group1
Property Consortium2
am i going about this the wrong way
is there an easier way
any help would be great
thanks in advance
john:confused:
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May 28, 2007
Hello,
I think this might be a typical question for query builders, so I apologize in advance for asking something so basic.
I have a form with two controls (start_date) and (finish_date).
Is there a way that I can create a query that will count the number of times a "source" has been entered into a table?
For example, I have a database where potential customers call and ask about our services. We ask them "Where did you hear about us?", hence the "source" field (which is a drop down combo box to normalize that field's data).
With this record is their "dateofcall" which is (obviously) a date field.
I'd like to create a report that will count the number of times a "source" has been entered between two dates "dateofcall" (the start and finish date above).
I have tried many types of queries and haven't found any success. The nice thing about the two form controls is that I can use those two controls for a variety of all types of queried reports. (the user enters a start and a finish date, fires a command button that generates a given report between those two dates). And it works well!
Can anyone help? I'd be most appreciative!
Mike
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Jul 6, 2007
I would like to count only dates where the Close Date is less than or equal to the Target Date. Here is what I have done, but it does not work. any ideas how I might get this to work?
SELECT A.[SCA_Open Issue Tbl.ID] AS [IDCount],
A.[Criticality of Risk] AS [Criticality of Risk],
A.[Database] As [Database],
A.[Risk_assumed_without_mitigation] As [Risk Assumed WO Mitigation],
A.[OTS] As [OTS],
A.[Issue Closed Date] As [Close Date],
A.[Targeted Completion Date] As [Target Date]
FROM [EOY Closed SC&A Issues] A
UNION ALL SELECT B.[RefID] AS IDCount,
B.[complexity_desc] AS [Criticality of Risk],
B.[Database] As [Database],
0 As [Risk Assumed WO Mitigation],
B.[OTS] As [OTS],
B.[EndDate] As [Close Date],
B.[TargetEndDate] As [Target Date]
FROM [EOY Closed Risk Assessments] B
WHERE [Close Date] BETWEEN Date() <= [Target Date];
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Sep 30, 2007
Is there a way to find out the number of Wednesdays between two given dates? Thank you.
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Aug 25, 2011
I created a query and one of the fields in it is for dates. I need to create a report that will only count how many entries have dates and it shouldn't count those with no/blank dates .
Is there a way to put a criteria in my query for date field? What would be the formula? Or is there a formula that I can put straight to my report that will only count the ones with dates?
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