Null Values In Crosstab Queries
Apr 24, 2006
Hi there, instead of blank fields in my crosstab query, and hence my report, i would like a standard comment, such as 'No Booking'.
My crosstab is something like this:
.........A...........B..............C............. D
1.......X
2.......X..........................X
3...................X............................. .X
(Ignore the dots, obviously)
Currently, when i try to open the report based on this query, it fails unless each column has data in it for at least one record.
I've tried using the Nz function but haven't been able to make it work. Thankyou in advance! :)
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Aug 9, 2005
I currently have a crosstab query that compares data for two years. The results look like this.
month 2004 2005
January 98% 95%
.....
Decemeber 98
What I am getting at is that the query returns null values for the fields that do not have data recorded for the months in 2005 because we have not reached them yet. Is there a way for me to make sure that at least the value 0 is entered in the null value areas?
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Jun 8, 2006
Hi all, I know this is a real easy one, but I am not the smartest when it comes to access. Can you help me out.
I am running a crosstab query to count and sum records in my database. I have a fied called "Amount". In my form the user is not always required to enter an amount. When I run the query, I would like the results to exclude the records that have a null value or $0.00 in the "Amount" field.
How do I format the query to exclude those records?
Thanks in advance.
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Sep 12, 2007
i have checked the forums and i know they kind of answer this question, but im not really sure where i am ment to write it!
I have two queries, which a third query subtracts the 1st query and 2nd query values and gives the end value. If the 2nd value is null, i get a null value at the end, as i need to change this to zero instead. i know i need to use nz (as seen in microsoft access help, and other places on this forum) but im not sure exactly where to put this on my query, and in which query.
Basically:
(qryCountpartNo.CountPartCode)-(qryTotalquantityallocated.sumofquantity) = qryTotalFree
both countpartcode and sumofquantity may be null at any time
Any help would be greatly appreciated!
Thanks in advance,
Emily
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Jan 17, 2014
I am trying to alter this parameter to bring back all records if either beginningsalesrange or ending salesrange is left blank. I can't quite get it right.
Between [forms]![frmState]![BeginningSalesRange] And [Forms]![frmState]![EndingSalesRange]
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Apr 1, 2013
I have a table with two fields; Part and remarks - both Text fields containing 1.8 million records. Remarks field has 600,000 blanks in the field. I filtered for blanks to get the 600,000 records displayed. I want to update this field to N/A where null values exist. My code is
UPDATE PartApplications SET PartApplications.remarks = "N/A"
WHERE (((PartApplications.remarks) Is Null));
The query updates 55,000 records ONLY and leaves the remaining blank.WHY would all null values not get updated?
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Sep 24, 2013
I have a form with a textbox, where one inputs a number and then I run a query with the form criteria. The query is
Code:
Select Blah blah from dbo_temp where A>textbox value OR B>textbox value OR C>textbox value OR D>textbox value
The columns which are linked to the textbox some times contain null values. So, A, B, C, D columns do contain null values.
The expression in the "Criteria" column of Columns A, B, C, D (all on different lines - to make sure OR criteria is fullfilled) is as follows
Code:
>IIf(IsNull([Forms]![MainForm]![Criteria]),-100,[Forms]![MainForm]![Criteria])
I've put in -100 as an arbitrary never possible number. Obviously, this does not return Null values.
Question: How can I return both Null & Numbers when the Textbox in the form is left blank? in all the columns. Currently, I am not getting Null values
Code:
>IIf(IsNull([Forms]![MainForm]![Criteria]),SHOW ME EVERYTHING INCLUDING NULL VALUES & NON-NULL NUMBERS,[Forms]![Material Finder]![txtPS])
or in other words
If the textbox is blank, show me all the data available, else if it is not blank then show me only the values that are greater than the number entered in the textbox from within column A, B, C, D ....
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Sep 26, 2014
i have 2 tables that i am linking on a field that matches with null values on both tables but it either pulls nothing or when i put a right join pulls just one tables data.
i have also confirmed both are pulling from the same data source, so no issues with field properties and confirmed they are null values in each field within both tables.
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Jun 26, 2007
I'm having a problem with queries, and I can't seem to find a solution in books - I looked through about ten of them and none of them addressed the problem. This may be because it has a painfully obvious solution...
A little background:
I am designing a database for a debt-collection law firm. One of the functions it must have is to keep track of various different sorts of financial transactions which can pertain to a given debtor (ie, a received payment, a cost expended, and a few other things).
The problem is that, in generating reports, I need to use queries to find several sums of only those transactions which fall into specific categories (for instance, to calculate the amount a debtor has paid against his balance, it needs to sum only those entries which are both linked to that debtor's ID number and whose type field reads "payment", and then subtract from that those entries whose type field reads "cost"). The problem is this: not all debtors may have "costs" entries, and when there are none, the report comes up blank with a single "#Error" written in the name field and nothing else present.
I believe the problem is that the Sum aggregate is returning a null value when the query finds nothing that meets the criteria. I have been unable to find a way around this; the Nz() and IIf() with IsNull() functions don't seem to be helping.
The query runs as intended when there are entries for every relevant type; however, it is undesired to have to enter a "payment" of $0, "cost" of $0 etc for every entry just so that this function works.
Is there anything I can do about this? Any input would be appreciated, as I'm fairly inexperienced with the use of Office Access. (If it matters, I am using Office 2003).
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Apr 4, 2014
I am trying to use the expression below to transpose strings of 4-6 numbers (140504) to a string of 8 numbers with "20" in front (20140504). Some of the [Receive_Date] fields are empty or are 0, and in those cases, I need the expression to return a null value.
New_Receive_Date: IIf([Receive_Date]=0,"",IIf([Receive_Date]="","",Format([Receive_Date_YMD],"000000")+20000000))
The Format(...) part of the expression works fine on its own, but I am new to dealing with null values in my expressions, and when I add the rest of the expression, all '#Error' values are returned.
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Jun 12, 2013
I have a query that performs some calculations, these calculations feed into another query and produce a final value. If there are no null values everything works perfectly. But when there are null values, I get errors.
What I have tried:
1) I tried to implement the Nz function for each field of the formula that is not calculated but from user input.
2) I tried to implement the Nz function for just the field that calculated the last result before feeding into the next query, but it didn't show the 0 value I gave.
3) I tried to use UPDATE TABLE SET in SQL, but I don't think I was using it right. I tried to use it for all records but always got an error when it ran.
The first two above result in showing no values at all, even if there are some. The third didn't work. How to easily update null values in the query to 0? All I could think of was to somehow use Criteria or SQL.
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Apr 17, 2013
I am currently creating an Access 2007 database for calculating salesperson commissions. I have a table with 5 fields I'm working with: SalesRep, SOWRep, TerritoryRep, Period and Commission. I am trying to build a query that will calculate commission for a salesperson for each record where their name appears in one of the first three fields. Each time their name appears, they get the commission listed in the Commission field for the stated Period. I have managed to do this part successfully. My problem now is that I am creating a query that will sum all of their commissions by Period. I have run into a situation where sometimes a salesperson will not appear in one of the rep fields, resulting in NULL values in the previous queries. How can I create a final query that will sum correctly even if there are NULL values returned on the previous queries?
Here is what I have so far:
November: Avg((SELECT [SumOf1/3GM$s] FROM [BaxterActualMargin1] WHERE [Period] Like "November*")+(SELECT [SumOf1/3GM$s] FROM [BaxterActualMargin2] WHERE [Period] Like "November*")+(SELECT [SumOf1/3GM$s] FROM [BaxterActualMargin3] WHERE [Period] Like "November*"))
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Oct 7, 2013
I have a calculated field (Bhours) with the following IIf function:
=IIf(Fields!BDate.Value<=Parameters!Pdate.Value and Fields!EDate.Value>Parameters!Pdate.Value,Fields!H ours.Value,0)
It works perfectly, but I don't like the fact that it has a zero for the false part as I like the field to the blanc instead of filled with a zero.I can't use a space as I need to calculate with this field later on. I tried using "", but then the field displays #error".
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Jul 1, 2013
I am currently working on an instrument datebase, I have a mainquery that takes care of user inputs from a form. The main fields that have been queried on are Type, System, and Manufacturer and they are all look-up fields that contain some null values.
On the same criteria row for these fields, I have
Like IIf([forms]![User Interface].[qtype2]="","*",[forms]![User Interface].[qtype2])
Like IIf([forms]![User Interface].[qsys2]="","*",[forms]![User Interface].[qsys2])
Like IIf([forms]![User Interface].[qman1]="","*",[forms]![User Interface].[qman1])
qtype, qsys and qman are the user inputs from the user interface that returns look-up table values.
This works fine when all 3 of these fields are all filled out for a certain instrument. The problem arise when some fields of the instrument are left blank or is null. The instrument won't show up in a query at all. What I wanted it to do is to show everything including the ones with null fields when the user input are null or "". When the user specifies certain requirement I only want to show the ones that are not null. I understand that putting them on the same row means AND, I have tried to OR them and did not have the result i wanted.
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Mar 10, 2014
I'm trying to create an expression to calculate percentage.
The fields, Value A and Value B might both have null values, but I do not want Access to treat nulls as zero (as in the Nz() fn). How do I get the expression to exclude any nulls and not calculate for those rows, but set the calculated value for a row with null A or B to zero.
I want it to set no calculated value to zero so I don't get overflow errors and can therefore order the data by the calculated field.
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Apr 17, 2014
how to return all values in a query when a form critieria is left blank. I have made some progress, the combo box criteria queries were fairly simple, but i'm getting stuck with my date criteria. My query doesn't return null values when I want it to.
I want it to return all records (including null values) if the form OpenFrom and OpenTo dates are blank, and just the values between the selected dates (excluding null values) if the form is completed.
Code:
SELECT qryReportSelector2_Authority.*, qryReportSelector2_Authority.ApplicationDate AS ApplicationDateFilter
FROM qryReportSelector2_Authority
WHERE (((qryReportSelector2_Authority.ApplicationDate) Between Nz([Forms]![frmReportSelector]![OpenFromDate],DMin("[ApplicationDate]","[qryAllCases]")) And Nz([Forms]![frmReportSelector]![OpenToDate],DMax("[ApplicationDate]","[qryAllCases]"))));
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May 22, 2015
I have a query which returns, among other things, a number of boolean fields. In some cases, there will be a genuine True or False value in each of these fields; in others, it can and should be Null (e.g. as a result of a 'failed' LEFT JOIN of some description, where there is no associated record in the joined table which fulfills the criteria)
So something like this :
Code:
SELECT [tblTable2].[fldBooleanField]....
FROM [tblTable1]
LEFT JOIN [tblTable2]
ON [tblTable1].[SomeID] = [tblTable2].[SomeID]
However, I will be writing the result of the query to a text file and here's the problem. I want to show a numeric value for a genuine True / False (i.e. -1 and 0 respectively using the standard boolean conversions in Access) and a blank for any Null values.
So I tried this :
Code:
SELECT CInt([tblTable2].[fldBooleanField]) AS fldBooleanField....
FROM [tblTable1]
LEFT JOIN [tblTable2]
ON [tblTable1].[SomeID] = [tblTable2].[SomeID]
However, currently when I look at the exported recordset in Notepad, I am getting 0's for both False and Null values (and -1 for True)
How I can adapt my query to keep Nulls...null? And convert the genuinely present boolean values to integer form?
Only thing I can think of is to use (untested) :
Code:
IIf([tblTable2].[fldBooleanField] Is Null, Null, CInt([tblTable2].[fldBooleanField]))
But there's a number of boolean fields in there, all requiring the same treatment.
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Nov 19, 2012
i'm creating a search form giving the end user a range of controls to use when filtering/searching data. See the image.But, i think my range search (using the textbox) to put in a lower and upper limit...is preventing this from working. In fact, when i put data into all the controls, no data pops up in my subform.
My query data source can also be seen...showing you how i've handled teh null entries. (i need to put in a null 'handler' for the two textboxes?)
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Sep 16, 2004
What's up?
I have a crosstab query with which i need help. The query takes all of the individual sales from 94 on and sorts them into total sales by year (the past 5 years 1999-2004) for each customer. After that, you can break the total sales for each customer down to the total sales for each category of product for the past 5 years. For example, you have ABC Co. that bought $20,000 last year total and bought $5,000 of category EN, 10,000 of category PS and 5,000 of category DS. My problem is that if ABC bought 5,000 in 2003 of EN but nothing of EN in 2004, the null value of 2004 does not appear as a zero, but as a blank. This obviously screws up my calculations and i need to know how to replace a null (blank) value with a zero. PLEASE HELP!!!!
if u need any more info i'll be happy to oblige.
thanks
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Jul 5, 2013
It might be an easy one but I just wasted the past hour deciphering through my code in order to solve the run-time error '94' that I'm getting when trying to execute the following code:
Code:
Private Sub cmdUpdateDates_Click()
'###################################
'This sub aims at combining the timesheet date and the start and end time into the fields [Start Time] and [End Time].
'###################################
Dim intCounter As Integer
intCounter = 0
Dim rs As ADODB.Recordset
[Code] ....
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Jan 9, 2006
Hello.
I have a simple crosstab query, which is designed to give a monthly total (numeric) and a yearly total for the value of orders placed by a number of customers.
The query is based on another query which simply extracts order records for a particular year.
For some customers, certain months will be blank as there were no orders placed.
I would like to use the crosstab query on a report, and I would like to replace the blanks with zeros.
I have searched for examples of query expressions using the nz function and attempted to apply some. I have, however, had no success in converting the blank monthly totals to zeros.
Can anyone help me achieve this?
The query is as follows :
TRANSFORM Sum(AmountQueryLastYear.SumOfAmount) AS SumOfSumOfAmount
SELECT AmountQueryLastYear.DeliveryName, Sum(AmountQueryLastYear.SumOfAmount) AS [Total Of SumOfAmount]
FROM AmountQueryLastYear
GROUP BY AmountQueryLastYear.DeliveryName
PIVOT Format([ShipmentDate],"mmm") In ("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
An example of expressions I have tried is :
Expr1: NZ([SumOfAmount],0)
In it's own column in the query design grid.
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Nov 28, 2007
Don't worry, this isn't about parameters. I've searched the forum and can't find the answer to this (but loads on crosstab perameters!).
I have a table:
DateWorked | StaffPIN | StartTime | FinishTime | ShiftType
------------|-------- -|-------- --|-----------|----------
.01/11/07....|..1234.....|...07:00....|....19:00....|.... .Day
.01/11/07....|..5678.....|...19:00....|....07:00....|.... .Night
.02/11/07....|..1234.....|...07:00....|....19:00....|.... .Day
.02/11/07....|..5678.....|...07:00....|....07:00....|.... .Sick
I want to turn this in to a report with the format:
DateWorked | 1234 | 5678 |
-------------|------|------|
..01/11/07....|..12...|...12...|
..02/11/07....|..12...|....S...|
Where the values (12, S) are the number of hours worked for that staff member on that day or a summary of what they did.
I have created a Function:
WorkedHours(DateWorked, StaffPIN)
This returns the number of hours worked by a saff member on a perticular day as an int.
I know I need to use a crosstab. My 1st attempt had [DateWorked] as the row heading, [StaffPIN] as column heading and the expression "expr: WorkedHours([DateWorked],[StaffPIN])" as the value with 'expression' as the crosstab property. It kept throwing the error "Data type mismatch in criteria expression". There are no Null fields in the table it's performing the query on.
For my 2nd attempt I created a simple query that had the fields I needed for the crosstab plus the extra field "Hours: WorkedHours([DateWorked],[StaffPIN])". I could then use a crosstab query on this simple query to create something aproaching the table I need. This new crosstab had [DateWorked] as the row heading, [StaffPIN] as the column heading, [Hours] as the value with 'Last' as the crosstab property.
1. Do I have to use a seperate query to calculate the WorkedHours() or can I do it in the crosstab?
2. I don't want the crosstab to average, sum or count etc. the data. I just want it to display the hours worked but I have to choose something in the crosstab properties. What do I select? (I selected 'Last' and it seems to work but I'm not sure why)
3. How do I get it to display something other than the number of hours worked for certain shift types? (I have all the shift types in a table with a flag for the ones that need to be calculated, the absence of this flag would mean it needs to show a summary eg 'S' for a sick shift, 'H' for a holiday shift)
I know I've asked for a lot of help recently, I really appreciate everyone's help. :D
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Nov 16, 2007
I think the title pretty much sums it up....
I have a query where data is first sorted by user input; first field's criteria: [fieldname], then by another field's criteria: Is Null.
I know there are records containing null values in the second field, as I have run a select query with the criteria: Like "*", to make sure they are null, and not zero-length-strings.
The query is refusing to return any results...
Any ideas?
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Aug 3, 2005
Hi, I have a crosstab query, but for any product that has no entries on a certain date a NULL value is put in its place. Is there a way to have a 0 display there? Example of NULL:
DatePRODAPRODBPRODCPRODDPRODE
08/01/200513633
08/02/2005112643
Aug Total:216276
See how there is a NULL for 8/1 under PRODB? I would like that to be a 0
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Nov 14, 2007
This is almost a cross-forum post. I started a post in the reports forum to see if it were possible to sort/group the data by field values. Everyone knows this can be done row-by-row, but I was looking for a way to do it horizontally as well.
...........[quarter]="Fall".....[quarter]="Winter"........[quarter]="Spring"........[Quarter]="Summer"
2005.....Relevant Fields........Winter Stuff..................Spring stuff................Summer Stuff
|
2006
|
2007
It should look something like that where the years are values of [year] field and the seasonal quarters are values of [quarter] field.
I have been searching for something that will help me do this when I ran across information on the "crosstab" query. This, in principal is what I am looking for BUT I am not dealing with numeric data here. Is there still a away to make a crosstab query/report with text fields where there would normally be numeric data?
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May 6, 2007
I have a columns that do not incur a count value within the time period of my query, yet i still want them to be displayed with a 0 or no value in the query view, how do i do this?
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