Queries :: Count Dates Between Dates In Two Tables
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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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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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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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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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 28, 2013
I have built a query to calculate the expiry dates of training courses but I am trying to input a criteria so that only dates within 90 days of todays date show. I am using Date()<90 but it doesn't return the correct information. What the criteria should be for this?
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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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Apr 9, 2015
I have a table of records, which has within it two date fields (effectively, a 'start' and 'end' date for that particular record)
I now need to create a query to perform a calculation for each date between the 'start' date and the 'end' date
So the first step (as I see it anyway) is to try to create a query which will give me each date between the two reference dates, in the hope that I can then JOIN that onto another query to perform the necessary calculation for each of the returned dates.
Is there a way to do this?
So basically, if for a particular record, the 'start' date is 01-Apr-2015 and the 'end' date is 09-Apr-2015, can I produce a dataset of 9 records as follows :01-Apr-2015
02-Apr-2015
03-Apr-2015
04-Apr-2015
05-Apr-2015
06-Apr-2015
07-Apr-2015
08-Apr-2015
09-Apr-2015
(The *obvious* solution would be to create a separate table of dates, from which I could just SELECT DISTINCT <Date> Between #04/01/2015# And #04/09/2015# - but that seems like a dreadful waste of space, if that table is only required to generate the above? And it would have to cover all possible options; so it would either have to be massive, and contain every possible date - ever! - or maintained, adding new dates as necessary when they are required. Seems horribly inefficient!)
Is it possible to just select each date between the two reference dates? Or can you only query something which exists somewhere in a table?
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Oct 2, 2013
I have a complex database app that has a form called from the main form. It requires two inputs: BeginningDate and EndingDate and I use a calendar picker for date selection. Using data assigned to a variable, I build the SQL query in VBA. The result is:
Code:
SELECT [1733_All Print Orders].[Application], Sum([1733_All Print Orders].[TotalImages]) AS SumOfCCPC
FROM [1733_All Print Orders]
WHERE [Application] = 'CCPC' AND [StatementDate] >= #9/3/2013# AND [StatementDate] <= #9/30/2013#
GROUP BY [1733_All Print Orders];[Application]
[1733_All Print Orders] is a defined query that combines 4 tables together and there are data that falls within the dates for CCPC. But the query returns no records.
I pasted the query to the query builder and using different combinations, I isolated that the [StatementDate] >= #9/3/2013# portion is what returns no records
To complicate matters even worse, prior to today, it worked. I made some adds and changes to another area of the application, but did not touch this 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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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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Apr 29, 2006
HI
I need to konw how to Count different dates in a subform query?
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Nov 5, 2007
I've had it before, but can't find it.
basically something like this --
DateDiff("w", StartingDate, EndingDate)
that also makes sure date is not in tblHolidays.
anyone knows how to acomplish this ?
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Sep 30, 2014
I need the total of days in a report but exclude the repeated ones.
So user are working sometimes in different work orders on the same day but our administration only needs to know the number of days worked in one period of time.
i send a jpg with the example i use the =Nz(Count([Date Worked]),0) but that way i get all the entries counted
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Apr 30, 2014
I need to be able to count how many fields per date. I've tried several ways to add this to my query, but nothing seems to combine the dates, it just gives me nothing or 1 as the count for every line even when it is the same date......
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May 12, 2014
Any way to have a form with Dates as column headers to update a table where the dates are stored in rows???
The table set up is like this:
tblOpHdr
DiaryID (PK) - OpDate (Date)
tblOpDetail
DiaryID (FK) - CostCode - MachineNumber - MachineHours - etc
I'm just wondering if there's any way I can do this with a datasheet or a crosstab type setup?
It's Access 2010.
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Nov 9, 2013
DCount function.
Code:
Me.ImprovementNotice5DayCount = DCount("[txtReferralReason]", "qryRTOFileReferralPopupCount", "[ComplianceTargetDate]-[DateNow]<=5")
I am not sure where I have gone wrong.
What I would like Dcount to count are those dates in the ComplianceTargetDate form control that are <=5 to the DateNow form control.
I get a count of 3 when there is only one. I may have the syntax of the Dcount wrong.
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Aug 21, 2013
So I have a report generated, listing all my companies personnel in one column and the next column has the expiration dates of a certian training certificate. My question i would like to add some statistics to the bottom of the report, mainly how many certificates are expired, which is the ones over a year.
I have attempted to use:
=Sum(IIf([AT_LEVEL 1]<"Now()-365",1,0))
previously in excel my spreadsheet counted it like this:
=COUNTIF(C5:C77,"<"&TODAY()-365)
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Apr 30, 2014
I'm creating a form to count the number of employees with birthdays between 2 dates. There are 2 unbound date fields; Start_Date and End_Date. I have an Employee table with DOB field. I've been stuck on how to get the field to return the correct number of employees that fall within the 2 dates.
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