Query Record Set Greater Than Null???
Sep 7, 2005
What I need to accomplish is an alert if a query finds any records. In other words, When the main page is loaded a query will run in the background. This query is looking for any records that need to amended within the next 30 days. What i would like to do is if the query finds any records that need amending an alert "form" or conditional formatting in a field with turn it red as an indicator that attention is needed.
My problem is how do i write a code to see if the record set from the query is greater than null???
any ideas would be greatly appreciated.
Ricky
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Jun 29, 2005
Creating a query in Design View, how does one create a query in the "Condition" field that tells the Access to return the record set where the contents of one column is greater than the other?
Table Name=SURVEY_RAW_DATA
Column Name=TOTAL_EXP
Column Name=TOTAL_NX
There are obviously many more columns than those listed above in the table, but these are the two I want to compare. Also the two columns contain numbers.
In SQL I would write it like this:
Select * FROM SURVEY_RAW_DATA
WHERE TOTAL_EXP > TOTAL NX;
Thanks in advance,
Ken
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Aug 30, 2005
I managed to cludge around my earlier deciles query so now have the break levels though have run into a brick wall.
I have 2 tables (simplified below)
tbl1:
decilerank (basically a record number)
value
eg
1 150
2 160
3 170
tbl 2:
value
name
What I want to be able to do is be able to select all the names where the values lie between 150 and 160
algorithm is select tbl2 where tabl2.value > tbl1.decilerank[1].value and < tbl1.decilerank[2].value
and so on
Anyone able to help?
Edited to add:
Nothing links the tables.
Basically I am trying to use the data from one table as input into a query against the other.
eg select person where age is > 20 and < 30
where 20 and 30 are stored as seperate records in another table.
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Jul 11, 2013
On a push of a button from a form, I want to locate specific records within the table and update a field to Null if it matches a name
Dim strSQL As String
strSQL = "UPDATE tblmaster SET Score = "" WHERE [AdvocateName] = 'Anna Maria'"
DoCmd.RunSQL (strSQL)
I'm certain I don't have the syntax correct between the Set to Null and WHERE clauses..
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Feb 16, 2007
Hello All
I'd appreciate some help with a (for me) pretty complicated query Im attempting. Im trying to achieve 1 answer if the source is less then 7, and another answer if it is greater.
I've been searching through archived posts and picking up tips to the extent that I think im in the right ball park, but Im making a mistake with invalid syntex.
in plain english Im trying to calculate
If:
date range from bookings1 is 7 or less
I want to multiply the result of the date range
By the daily hire rate (from a different table)
If:
date range from booking! is over 7
I want to multiply the result of the date range
by the daily hire rate
then multiply that answer by 0.8
(to achieve a 20% discount on the total)
Cost:IF([Forms]![Bookings1]![End Date]-[Forms]![Bookings1]![Start Date]<7)*[Car]![Daily Hire Rate] IF ([Forms]![Bookings1]![End Date]-[Forms]![Bookings1]![Start Date]>7)*[Car]![Daily Hire Rate]*0.8)
I've tried quite a few variations on that and it reads right to me, but im obviously missing some vital formatting.
I know that criteria I had for calculating the date range, and multiplying that by the daily hire rate works because I've tested that and saved that version
Any help on this would be greatly appreciated
Thanks
George
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Feb 17, 2008
usingSELECT TblCustInfo.Name, TblCustInfo.Addr, TblCustInfo.City, TblCustInfo.State, TblCustInfo.Zip, TblCustInfo.SrvAmt, TblCustInfo.CID, TblCustInfo.BLCAT, Sum([TblCharges.Chargeamt]) AS SumOfCharges, Sum([TblPayments.Creditamt]) AS SumofCredits, ([SumofCharges]-nz([SumOfCredits])) AS RunBalance, TblMemo.InvmemoFROM ((TblCustInfo LEFT JOIN TblMemo ON TblCustInfo.State = TblMemo.State) LEFT JOIN TblCharges ON TblCustInfo.CID = TblCharges.CID) LEFT JOIN TblPayments ON TblCustInfo.CID = TblPayments.CIDGROUP BY TblCustInfo.Name, TblCustInfo.Addr, TblCustInfo.City, TblCustInfo.State, TblCustInfo.Zip, TblCustInfo.SrvAmt, TblCustInfo.CID, TblCustInfo.BLCAT, TblMemo.Invmemo, TblCustInfo.CancelHAVING (((TblCustInfo.BLCAT)="m1") AND ((TblCustInfo.Cancel)="n"))ORDER BY TblCustInfo.Zip;is there a way to return only records resulting in greater than zero from the ([SumofCharges]-nz([SumOfCredits])) AS RunBalance part ???
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Mar 13, 2007
In my forename field I have entries with just the initial. I would like my query to filter out anything less than 2 characters. Does anyone know the criteria format?
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Jan 11, 2008
Hi everyone.
What I currently have is 2 columns in one table 1 is required and 1 isnt.
However what i need to do is work out the sum value of the greater amount from each line.
IE
A B
1 2
1 0
2 1
which would give a total of 5 as its adding B1+A2+A3
I tried creating a 3rd columb and entered this IF Formula but apparently access doesnt support If formulas
=If([claims]![Mileage1 IR]>[claims]![Mileage1],[claims]![Mileage1 IR],[claims]![Mileage1])
my plan was to get the "IF column to show me the higher amounts which could then be totalled up.
Any ideas where I may be going wrong?
Kev
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Feb 10, 2014
I have a table.
BackupTbl
The table has 2 fields I want to compare.
Limit
Usage
I obviously want to know when they are over their limit. Tried using expressions but I either return all results or none.
I tried a bit of SQL
SELECT * From BackupTbl
WHERE Limit < Usage
This returns all fields.
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Mar 5, 2013
I have a list of companies that need to return paperwork, we are then scanning that paperwork and placing in a directory and listing that it was received in a table in Access. I want the button to view this scanned in item if the qry for that paper work has arrived and the count is >0.
I run a command on a single form that if a qry is >0 it shows the button and I added that to the GotFocus event in the form.
Me.CheckSuitability.Visible = (DCount("[ID]", "qry_Suitability_Papers_Needed") > 0)
But this is a Continuous Form and I would like the buttton to show next to the company if the count is >0.
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Nov 24, 2013
same as the title goes, why i can't query those figures greater than 15% only? How am i suppose to query them right?.Here is my database you cant check query1 and query 2. I am using Ms Access 2010.
Link:
www dot dropbox dot com/s/n3iuev1c5e0dfby/StockMonitoring.accdb
xD: StockMonitoring.zip
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Apr 18, 2006
Hello all,
A bit of a weird one, I've got a query and the criteria for showing records is that one particular field is null. However the query is showing records with the values in the field chosen for the Is Null.
Not sure why this is happening, has anyone come across this problem before?
Thanks.
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Feb 19, 2008
Hello Smart People!
This one is driving me nuts. After doing quite a bit of research, I cannot find the answer that I need, so I am posting...
For a new record on frm1 I am trying to make the label (lblTest) for a text box named txtTest a certain color if a value has not been filled in. For some reason, I cannot get the code to work and I am guessing it is due to my lack of understanding of our good old friend NULL. Here is what in both the after update event for txtTest and the on current event for the form...
If Me.txtTest = Null Then
Me.lblTest.ForeColor = 255
Me.lblTest.FontBold = True
Else
Me.lblTest.ForeColor = 0
Me.lblTest.FontBold = False
End If
Why isn't the field red when I create a new record? Why is it that if I fill something into the field, then delete it, that it doesn't get bolded in red?
Regards,
James C.
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Feb 5, 2006
I'm hoping someone can help a noob with a simple problem:) I did a search but couldn't find the answer.
When a user clears a record and leaves it Null I would like to prompt them whether they would like to delete the record before the access error message about invalid use of Null comes up. If they don't want to delete the record then the code should undo the change. The problem I have is I can't seem to run my code without the access error coming up. I can't see where I can trap the error (err.Number 3398).
For example, this doesn't work:
Private Sub txtSalesItem_BeforeUpdate(Cancel As Integer)
On Error GoTo Err_txtSalesItem_BeforeUpdate
Dim response as Integer
If IsNull(Me.txtSalesItem) Then
response = MsgBox("Do you want to delete this category?", vbExclamation + vbYesNo, "Delete Sales Item?")
If response = 6 Then
Runcommand acCmdDelete
else
RunCommand acCmdUndo
endif
End If
.
.
.
I know I can put in a validation rule, but I would like to go a bit further.
Does anyone have any suggestions?
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Oct 14, 2015
Okay so I have a column called 'totalincome' on TblCashflow. There are 60 records of TotalIncome (represents 5 years or 60 months) per asset that I have on another table, TblLoanGeneral.
What I need to return is the LAST value from totalincome that is not null. For example, we may only have entries in the 60 records that go to row #35, or 50 or whatever. When I use the Last criteria it gives me the 60th record (in example would give me a 0), and when I use the Max criteria, it gives me the largest income value regardless of location(would be 50,000 in example). What I need is really where the "last" income amt is >1 (20) however, when you set last, it only considers row 60.In the example below I would want 20 to be returned.
ID
Row#
TotalIncome
1
1
1000
1
2
2500
1
3
50000
1
4
20
1
5
0
1
6
0
1
7
0
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May 2, 2007
Using the sql profiler gives me no clue.
This is the insert query from the profiler.
exec sp_executesql N'INSERT INTO "ENVIS_GSD".."wat_springflow" ("result_dt","site_id","result_va","remark_tx") VALUES (@P1,@P2,@P3,@P4,@P5,@P6)', N'@P1 datetime,@P2 int,@P3 float,@P4 nvarchar(4),@P5 varchar(3),@P6 datetime', 'Feb 10 2009 12:00:00:000AM', 3000723, 8.000000000000000e-001, N'test'
The two records that I get the proplem on are not included here, but somehow they have been updated. I traced the access code, but I could see no reference to them that they were used for the update in either the form or any modules called.
Somehow up to a few weeks ago those two columns were updated.
Tracing the code and using the immediate window the user_name variable stores the login name corectly.
Someone mentioned "error 28" any ideas?
Thanks in advance
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Mar 27, 2006
Hi all,
New to this, but found some helpful tips/code already that I've integrated into my project.
You may well be familar the issue tracker database available for download from Office Online, well I'm using this for a little project I'm running.
What I want to do is tie up a few snippets as follows:
1-On my form I have a button called "Close"
2-When I click the Close button I want to check two fields, "closure" and "fix" and ensure that they have content i.e. not null
3-If they have content then I want to alter the "Status" field of the displayed record from Open or Suspended to closed (these are the three options for this field)
4-If the "closure" and/or "fix" fields are empty then I want a msgbox to pop up promting the user to fill out the relevent field/s, otherwise mark the record as closed
So;
Click close button, check contents of two fields, pop up a message if either or both empty, enter details in empty field/s, click button again and as both fields are now complete,mark the records status field as closed.
I've got so far but can't quite tie it all together, is what I'm asking possible? What do you need from me to help answer the question?
Thanks very much for your help.
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May 11, 2015
Nutshell: My user DB has one menu with 4 tabs (2 for adding records, and 2 for searching/editing records). Since the form opens up in the acFormAdd mode, Access already creates a new record (blank) before they type anything. It is resulting in blank false new records that are getting added to the table and they are getting annoying. My audit table is full of "user X created new record at this time" when it's just a blank record.
There must be a way to prevent this using VBA, but I cannot find it.
I've seen ways to disable "add new record" buttons and such, but nothing that disables Access from being smarter than me and creating a new record before I decide to.
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Sep 23, 2014
I've designed a DB in access which has a BackEnd and 2 FrontEnds (one person insert all the records and the others just keep inserting infos till the process is finished.The DB has 12 tables and we used it for about 6 months without having any trouble but recently (2 weeks ago) i've add 3 new tables and then related them to one table that already exist.
The DB was running smoothly for a week after the changes but last monday (09/15) the "Record is deleted" appeared. I've compacted and repaired an the following errors descriptions appeared:
ErrorCode: -1017
ErrorDescription: Record is deleted.
ErrorTable: tblFatura
ErrorCode: -1053
ErrorDescription: Index or primary key cannot contain a Null value.
ErrorTable: tblFatura
ErrorCode: -1630
ErrorDescription: You cannot add or change a record because a related record is required in table 'TblExpense'.
ErrorTable: tblFatura
I've restored the file via IT using the Backup2 days before the error occurred but after 30 minutes the same error appeared! I dont know if it is related to the new tables that i have add or no?
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Oct 2, 2014
If a new record is created, insert date only if customerID is not null
Private Sub Form_Current()
If "CustomerID", "TblDietPlan" = <> 0 Then
If Me.NewRecord Then Me.MealDate = DMax("MealDate", "TblDietPlan")
End Sub
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Oct 23, 2007
Hi everyone!! I need some advice regarding the following query:
This is a big database with many tables and queries etc. but for simplicity lets say i have database with 2 tables (table1 and table2) both contain invoice numbers. table2 contains one record while table1 contains many. Ok simple so far but here comes the question, how can I write a query that selects all records from table1 that are greater than the value in table2, hope that makes sense? I've been trying to slog this out on my own but dont really know where start so any help will be appriciated
Thanks Steve.
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Apr 6, 2008
Hey, cool forum. going to be really useful!
Have an assignment due in a few weeks and basically its a gym senerio.
Got a lot going so far, macros tables and forms. reports shouldnt be a problem.
Now i'm not sure this is actually expected but i'm sure i'll get high marks if i include it.
anyway:
there are 3 memberships, gold silver and bronze, gold can take 7 classes max and bronze 2 so how would that query work?
I can make it so no more than 7 member ID's are entered into a field but how will i make the queary recongnize the difference between gold and bronze?
would it be something like group by Membership and type criatera Gold and then in member ID have <=7?
if i did this how can i work that into a form?
anyway, know that might not make sense, or may make perfect sense but i just dont get it! either way thanx for reading, any suggestions would be much appriecated
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May 26, 2006
I have an SQL statement that I finally have working after much help from this web site. But I want to enhance it to be able to search between two dates, I have on my search form txtStartDate and txtFinish Date. I want it to read > or = to txtStartdate or txt< or = to txtFinishDate. This is my code at present. Can anyone help please?
Private Sub cmdSearch_Click()
Dim strSearch As String
If IsNull(Me.txtExerciseName) Then 'this is to ensure user keys/select at least 1 criteria; add on rest of the controlnames as desired
MsgBox "Please enter at least one criteria"
Else
quot = """"
If Not IsNull(Me.txtExerciseName) Then
strSearch = strSearch & "SELECT tblTechnicalIncidentReport.Exercise_Name,BoxNo,Fau lt, Catagory,Time_Reported,Date,Brief_Description,TopT en,TFRNos FROM tblTechnicalIncidentReport " & _
"WHERE Exercise_Name LIKE " & quot & Me.txtExerciseName.Value & "*" & quot & _
"AND BoxNo LIKE " & quot & Me.txtBoxNo.Value & "*" & quot & _
"AND Fault LIKE " & quot & Me.TxtFault.Value & "*" & quot & _
"AND Catagory LIKE " & quot & Me.txtCatagory.Value & "*" & quot & _
"AND Time_Reported LIKE " & quot & Me.txtTime.Value & "*" & quot & ";"
End If
Me.Results.Form.RecordSource = strSearch ' Update the record source, this line is to be placed at the end of all your criteria's if end if codes
' Requery the subform
Me.Results.Requery
End If
End Sub
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Dec 6, 2012
I am building a database to capture monthly statistics on a number of items. I want to ensure that users don't enter statistics for the same item for the same reporting period. I found the following instruction, but can't make it work:
It suggests that I create multiple primary keys in the table
When I do it, it comes back with an error: Index or primary key cannot contain a null value.
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Aug 13, 2013
I've created some code that enables a user to copy an existing record to a new record, which looks like this:
Private Sub btnCopytoNewRecord_Click()
Dim Salutation As String
Dim First_Name As String
Dim Surname As String
'Copy fields to variables
Salutation = Me.Salutation
[Code] ....
This code is working fine, until it hits an empty field, and then I get an error message: Run time error '94':
Invalid use of NullIs there some code I can use to tell it to skip any null fields?
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Jan 10, 2006
Hi,
I have a query setup, using a caculated field, to determine the greater of 2 dates, from 2 separate fields. Here is my calculated field:
LastContactDecide: IIf([Date1_Last_Contacted]>[Date2_Last_Contacted],[Date1_Last_Contacted],[Date2_Last_Contacted])
This works fine, except when there is a null value in either Date1_Last_Contacted or Date2_Last_Contacted. How do I get around this ?
Thanks !
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