How To Force A One-to-many Relationship
Sep 23, 2005
I am using Access 2003.
Access front end, sybase backend. I am building the queries in the design mode in Access.
Here is my question...
I am looking for a way to force a one-to-many relationship between two tables. I am connecting the primary key in table1 to a field (foreign key) in table 2. But it keeps going to one-to-one.
It should be doing one-to-many (the "1" and the "8"-sideways infinity symbol).
What am i doing wrong? Please help.
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Jun 13, 2007
I have a query in Access 2000 that I can't get to force a certain value in empty rows for a particular field column - maybe someone here can see why?
The SQL for the query is as follows (give or take some)...:
TRANSFORM Count([Testing DB].[DB_ID]) AS [CountOfDB_ID]
SELECT [Testing DB].State, [Location].[North], Count([Testing DB].[DB_ID]) AS [Total Of DB_ID]
FROM [Testing DB] LEFT JOIN [Location] ON [Testing DB].[Address] = [Location].Address
WHERE ((([Location].[Size])=Nz([Size],"Big")) AND (([Testing DB].[Window Length]) Is Not Null)
GROUP BY [Testing DB].State, [Location].[Size]
ORDER BY [Testing DB].State, [Location].[Size]
PIVOT Format([Date],"mmm-yyyy");
I want my crosstab to end up so that any records in the "Size" column that are not matched between the two tables, and therefore come up empty for those rows in the query results, are forced to change from empty to "Big" - so that they can be added into the count of "Big" hits that the query ends up with in the "Size" column. But all my "nz" addition did was remove the columns with blank values from the crosstab - no addition to the "Big" counts.
Am I perhaps going about this incorrectly? Maybe I should have used some form of iif(is null) instead.:confused: Any help is, as always, much appreciated.
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Dec 7, 2005
Being an amateur at Access, I've only recently realized that you can force column headings for crosstab queries, by typing those headings into the properties of the field selected as the column. But can you do the same for ROWS?
My data concerns patients of a specific type and the times of day they show up at our A&E (ER). I've grouped these by hour and now I want to crosstab them by day of week. But if there aren't any between say 3am and 5am, those hours don't show in the query, which is screwing up a pre-formatted report I have.
I've found some assistance on other threads.....
http://www.access-programmers.co.uk/forums/showthread.php?t=92471
http://www.access-programmers.co.uk/forums/showthread.php?t=83820
.....but to be honest I didn't really follow it.
Is there an easy solution? If not, it's not a huge problem and I can "fudge" it once a month, offensive as that must sound to you professional types!
Thanks as always.
Pat
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Jan 31, 2007
If the query returns no results, like it should, but I want to force a row with zeroes in it, can that be done? how? i have tried an if statment in all the fields to fill something in if the field is null but that didnt work. i tried using nz but that didnt work. any suggestions would be appreciated! Thanks!
:confused:
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MsgBox "Error trapped!"
Response = acDataErrContinue
Else
Response = acDataErrDisplay
End If
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(FYI: Access 2003)
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Oct 24, 2005
Hopefully there's someone who can help me with this!!! I've had several unsuccesfull attempts and don't know what else to try...
We're trying to force users to make entries in a field called txtComments in the frmQuestionnaire form if they provide negative responses and to stay on that record until the comments are changed. Inside the form is an option group (fraResponses) which contains options (OptA, OptB..etc.) valued from 1 through 7, based on a likert 7 scale. We're only using a likert 6 scale, so the respondents will only see 2-7 on the form. If they options B-D (valued 2-4), they are considered negative, so we want to make sure they enter a comment.
I tried to enter the italicized code under the form on BeforeUpdate, AfterUpdate, CmdUp (click to next question) and CmdDown (click to previous question), with frmQuestionnaire but nothing happens:
There is a module called clsUser which contains the following and where I tried to insert the code:
Set myForm = Forms!frmQuestionnaire
' ================================================== ==
' First, set the value of the variables
' ================================================== ==
lngQuestion = arrQ(lngArray, 0)
lngSession = GetCustomInfo("TestSession")
lngUser = UserID
lngBillet = BilletID
strComment = Nz(myForm.txtComment, "")
strComment = "None"
'If user selects negative responses
If Form_frmQuestionnaire.fraResponses.OptionValue = 2 Or 3 Or 4 And strComment = "None" Then
MsgBox "Please explain the problems you encountered with the system which " & _
"caused you to select an unfavorable response."
Form_frmQuestionnaire.txtComment.SetFocus
End If
lngResponse = myForm.fraResponses
When I place the code there, the dialog box appears for all values and goes to the next record. This is what appears for the CmdUp (click to next question):
If cUser.blnDirty = False And Me.fraResponses = 153 (this is default value for the entire option group) And cUser.blnNew = True Then
cUser.blnDirty = True
End If
cUser.CaptureAnswer
If cUser.lngArray < cUser.UBound_ArrQ() Then
cUser.lngArray = cUser.lngArray + 1
Else
cUser.lngArray = cUser.UBound_ArrQ()
End If
cUser.FillQuestions
cUser.blnDirty = False
I've tried to enter the line of code with the form and the module, but no luck.
I also want it to remain on the same record until the field is changed. The form is unbound and has the following:
Public Sub FillQuestions()
'************************************************* ****
' Purpose: Scroll through the questions
'
' Assumptions: N/A
'
' Effects: N/A
'
' Inputs:
' None
'
' Returns:
' None
'************************************************* ****
Dim lngRG As Long
Set myForm = Forms!frmQuestionnaire
myForm.txtQuestion = arrQ(lngArray, 1)
lngRG = arrQ(lngArray, 2)
myForm.prgProgress.Value = lngArray + 1
myForm.lblProgText.Caption = "Question " & (lngArray + 1) & " of " & lngQuestions
myForm.lblTS.Caption = "Test Session: " & arrQ(lngArray, 3)
myForm.lblQID.Caption = "Question ID: " & arrQ(lngArray, 0)
GetResponseSet lngRG
FillAnswers
If lngArray = 0 Then
myForm.txtComment.SetFocus
myForm.cmdDown.Enabled = False
Else
myForm.cmdDown.Enabled = True
End If
If lngArray >= UBound(arrQ) Then
myForm.txtComment.SetFocus
myForm.cmdUp.Enabled = False
Else
myForm.cmdUp.Enabled = True
End If
End Sub
Public Sub FillAnswers()
'************************************************* ****
' Purpose: Fill out the user's previous responses
'
' Assumptions: N/A
'
' Effects: N/A
'
' Inputs:
' None
'
' Returns:
' None
'************************************************* ****
Dim strSQL As String
Dim recAnswer As New ADODB.Recordset
Set myForm = Forms!frmQuestionnaire
strSQL = "SELECT datResponse.reDatQuestionID, datResponse.reDatRespondentID, "
strSQL = strSQL & "datResponse.reDatResponseSetID, datResponse.reComment "
strSQL = strSQL & "FROM datResponse "
strSQL = strSQL & "WHERE datResponse.reDatQuestionID=" & arrQ(lngArray, 0)
strSQL = strSQL & "AND datResponse.reDatRespondentID=" & UserID
recAnswer.Open strSQL, CurrentProject.Connection, adOpenForwardOnly, adLockOptimistic
If Not recAnswer.EOF Then
myForm.fraResponses = recAnswer!reDatResponseSetID
myForm.txtComment = recAnswer!reComment
blnNew = False
Else
If myForm.fraResponses <> 152 Then
myForm.fraResponses = 153
myForm.txtComment = ""
blnNew = True
End If
End If
recAnswer.Close
Set recAnswer = Nothing
End Sub
Thanks in advance for your help!!
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Jan 4, 2008
I have a form that has a bunch of check boxes on it.
The user selects specific check boxes
My code then has a few If then statements to test which ones were selected.
With each one that is selected a query is run to select specific records in a table. (querying out the values from an email field)
The user then hits a button to send the email.
Microsoft Outlook opens and the emails list is added to the "To" in the email.
Everything works great...But I have a slight issue. If a user has permissions on more than one account when they go to send an email they have the ability to choose a "From" (thus specifying which account to send from)
The user can currently select which one they want but I want this to be more automatic.
CAN i specify which account to send from automatically when the email opens. BUT Just for this application...
Does that Make any sense?
THanks in Advance
Code:Private Sub Command23_Click()' This section is Calling seperate Subs that verify if a Radio Button is selected' If selected it builds the string needed for the email.Call TestCheck3Call TestCheck5Call TestCheck7Call TestCheck9Call TestCheck11Call TestCheck13Call TestCheck15Call TestCheck17Call TestCheck19Call TestCheck21Call TestCheck24Call TestCheck26Call TestCheck39Call TestCheck41Call TestCheck43' This part concatenates the email string being build andDim FinalEmailString As StringFinalEmailString = ""FinalEmailString = Test03 + Test05 + Test07 + Test09 + Test11 + Test13 + Test15 + Test17 + Test19 + Test21 + Test24 + Test26 + Test39 + Test41 + Test43' THIS SECTION TESTS THE CONCANTENATED STRING TO SEE IF IT IS NULL' IT THEN GIVE THE USER THE CHOICE TO CONTINUE WITHOUT ADDING EMAIL' ADDRESSES OR TO STOP AND MAKE A SELECTION.If FinalEmailString = "" Then Answer = MsgBox("You must first select a Group to email, if you wish to continue without adding an email list just hit No", vbQuestion + vbYesNo, "???") If Answer = vbYes Then Exit Sub Else ' This part sends the string to the email and opens the email DoCmd.SendObject acSendNoObject, , , , , FinalEmailString, "Alert Group", , True End IfElse ' This part sends the string to the email and opens the email DoCmd.SendObject acSendNoObject, , , , , FinalEmailString, "Alert Group", , TrueEnd IfEnd Sub' EXAMPLE OF ONE OF THE QUERIES BASED ON THE CHECK BOXESPublic Sub TestCheck3()Test03 = ""If Check3 = True Then Dim dbs As Database Dim rs As DAO.Recordset Set dbs = CurrentDb Set rs = dbs.OpenRecordset("Select * From tbl_Business_Name WHERE TYPE = 'APARTMENTS'", dbOpenDynaset) Dim strTO3 As String strTO3 = "" Do Until rs.EOF strTO3 = rs!EMAIL & ";" rs.MoveNext Test03 = Test03 + strTO3 Loop rs.Close 'Close what you opened. Set rs = Nothing Set dbs = NothingEnd IfEnd Sub
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Not = " " And InStr(1,"seat_person"," ") <> 0
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so
all blank - illegal
"Bob" - Illegal
"Bob Smith" - legal
the edit at the top is my attempt to code it but it isn't working.
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Private Sub Form_Load()
DoCmd.GoToRecord , , acGoTo, 1
En Sub
or
DoCmd.GoToRecord , idsPreguntas, acFirst 'idsPreguntas is the control name of the record
or
DoCmd.GoToRecord , , acFirst
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