Modules & VBA :: Using Parameterized Values In SQL Statements
Oct 15, 2013
I've seen a common solution is to double up the apostrophe, replacing ' with " to avoid the special character however i also hear of another solution using "parameters".I tried have a look around on the internet and got confused so I thought maybe it would be better to ask here.
I just want to change my INSERT INTO and UPDATE commands to be able to use this (to prevent a potential sql injection) also i think its important to know im using DOA to code? (not sure if its important) either way.
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Aug 8, 2005
I am using a query with Like statements that looks at a field in a form. The form defaults to "*" so that all of the records will show. You can search with the normal wildcards. The problem I have is that the records containing Null values don't appear. I was trying to see if I could use an IIF statement in the criteria of the query, but have had difficulty. What is the proper way to have all records show if * is the default, but only the specific criteria if something is entered using wildcards?
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Apr 10, 2007
Within my query I have a field that I need to do a nested IIf Statement that has a NULL value. The name of the field is "smokingcessation". The possible responses are a "1" = Yes, "2"= No, "3"=Unknown and there is also the possibility of a "no answer" at all (blank). I've got the following statement to work so far but need to include the possibility of a blank/no answer response. My statement so far is as follows and is working:
IIf([smokingcessation]=1,"Yes",IIf([smokingcessation]=2,"No","Unknown"))
How would I do a statement that would take into account the existing possibilities plus that of a blank (NULL) answer and leave the field blank in that case? In otherwords, I need to see a "Yes", "No", "Unknown" or a blank field.
Thanks for any help in advance.
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Jul 23, 2007
I've written a query that is assigned either a pass/fail depending on certain criteria. Here is the query:
Pass/Fail: IIf([jc_actlevel]="Yes" And [jc_diet]="Yes" And [jc_medications]="Yes" And [jc_followup]="Yes" And [jc_sympworse]="Yes" And [jc_weightmonitor]="Yes","Passed","Failed")
I want this query to only show me records that have a "yes" or "no" value but some on the records have neither a "yes" OR "no" (just a NULL value)and are showing up in the query as "failed" which is throwing off my count of how many records met the pass/fail criteria (see attached).
How can I NOT show records that have a NULL value in my query? Thanks for any help.
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Apr 11, 2013
I am writing some iif conditional statements in one of my tables to assign new values in that table.
Code:
FP: IIf([cohort with status].[Intake Date] Between #04/01/2012# And #26/04/2012#,201201) Or IIf([cohort with status].[Intake Date] Between #27/04/2012# And #24/05/2012#,201202)
When I run it, I am getting some -1 values in the new column FP.
but if I get rid of the second IIF, then it works.
how do you combine multiple IIF statements in a query?
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Dec 16, 2013
Basically I want to check if the Reporting Month already exists in the Months Table. If it exists it should ask the User wheter to overwrite or not. If the User clicks on OK it should delete one record from Months Table if the User clicks no, nothing should happen.However it doesn't delete the record, when I click on OK.
Code:
Public Sub IMPORT_Click()
Dim filelocation As Variant
Dim f As Object
Dim Message As String, Title As String, Default As String
Dim sql As String
Dim MsgReply As Integer
[code]....
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Feb 27, 2015
The following SQL statements run with no errors, but I can't see the output of the SQL statements. What is wrong with my "Debug.Print" or "rs" statement ? I would like to see the results. The SQL statements works when I save them to a query.
Dim db As DAO.Database
Dim rs As DAO.Recordset
Rem Dim intResult As Integer
Dim strSQL As String
Set db = CurrentDb
[Code] ....
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Jun 26, 2013
I'm trying to put multiple IF statements into one procedure like the below:
Dim Answer As Integer
Answer = MsgBox("Have You Selected The Correct Outcome?", vbCritical + vbYesNo, "Continue Request?")
If Answer = vbYes Then 'Works fine here
'The bit I can't get right
[Code] .....
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Jun 19, 2005
I have a parameterized query to which date needs to be passed from a text box on the form. Also after running the query, the output of the query should be transfered to an Excel Sheet. Do I need to macro ? How can I achieve the result with a macro ? Or is there any other method ? Please assist.
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Aug 31, 2013
I have a table of marks of student, a query that calculates totals and a form that displays results. on the query, i have an if statement.
Code:
comment:IIf([Marks]>=80,"good",IIf([Marks]>=50,"fair",IIf([Marks]>=40,"Work harder")))
So i want to be able to make the whole syntax available for user to edit without actually doing it in vba. is this possible in vba? i have attached an image
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Aug 20, 2013
How do I combined multiple OR statements in conjunction with an AND statement as follows:
If [Len(Field1 & "")=0 OR Len(Field2 & "")=0] AND Field 3 = "Something" AND Field 4 = "Something" Then...
I thought there I had to use a | symbol but I am not exactly sure?
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Apr 12, 2015
How do you write complex nested IF THEN ELSE END IF statements..How do you know what IF statement to put first?Then how would you know where to put ELSE, or END IF?Before you start with the VBA, what are the foundations for making it work successfully, know where you are, know where to put END IF etc?
I've seen many times when using VBA people set up an initial foundation for writing code. For example when needing to put something in quotes, they do "" then enter the text in between, so they don't get errors on running (A very simple, crude example I know, but is there a similar basis for nested IFs).
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May 8, 2015
I have coded a select statement that uses multiple tables for information used to populate a report. It returns the correct information, sort of, but it doesn't recognize the already existing table relationships so I get dupicate records. Is there a way to run the code so that it recognizes the table relationships?
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Feb 19, 2008
So I have a query which prompts the user for a username to search by, GetUsername.
Im used to TSQL usage which would be something like:
exec GetUsername 'blah'
My goal is to generate about 10 reports based on this query but with different (hardcoded) input. I do not want to prompt the user while generating these reports.
How would I invoke this query with a hardcoded parameter? (Id rather not save 10-20 versions of it).
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Mar 11, 2008
Hi,
I have a several parameterized queries that I would like to run using the same information, but don't want to make the user enter the same parameters over and over again. What I envision is the use clicking a button to run a macro that will run each query and then open a report with the results of the query. This report will the output from for queries that require the user to enter the start and end date. Is there anyway, for me to have the user enter those dates one time and for each query to call that same information? I was thinking I could have the user enter the start and stop date into unbound fields on a form and then click the button, but I don't know how to call that information into the query parameter box. Any suggestions/examples would be appreciated. Thanks in advance for your assistance.
Cheers,
Peter
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Jan 22, 2006
hi everyone!
Is it possible to write a datashaping statement as a stored query?
I tried but it didnt work..and I dont want to write the sql statement in my asp page..
can anyone help me with this???
thanks
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Oct 2, 2013
I have also tried this search form from You Tube. It works fine however it doesn't pull up all my records.
I was told I need to add some IsNull code to it. Would you happen to know how to do that to the criteria?
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Dec 4, 2014
I'm having problems with quotation marks in a sql statement. The string is an array separated by a semicolon.
120/80;70;5'6";125
this string represents patient vitals. I'm using the string to update a record. But I get hung up with the quotation mark.
I've tried: 120/80;70;5''6'"';125 which is a enclosing the quotation mark with apostrophies, but this does not seem to work. The sql still gets hung up. My sql statment looks something like:
original string: 120/80;70;5'6";125
strPreOpVits = "120/80;70;5''6'"';125"
mysql = "UPDATE mytable SET PreOpVits = '" & strPreOpVits & "' " & _
"WHERE nID = " & myRecID
docmd.runsql mysql
I've narrowed it down to the quotation marks and I'm unsure how to handle these. I get a runtime 3075 - Syntax Error.
Here is the code that I use to convert the original string
Public Function FixQuotesInSql(strToFix As String)
Dim lgth, y As Long
Dim strTemp, char2Add As Variant
'This routine fixes the use of apostrophe and quotation marks in an SQL sequence
'If the apostrophe is at the beginning or end of the string it replaces with 3 x "'" or "'''"
'If in the middle of the string then replaces with 2 x "'" or "''"
[Code] ....
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Dec 5, 2014
I have the following dataset in a table called NR_PVO_120. How do i pick out a number (which can change but let's say, 6) of UNIQUE OtherIDs without excluding any OtherIDs under any fax numbers?
So, if you pick OtherID from Row7 you then also must pick OtherIDs from rows 8 and 9 because they have the same fax number. Basically, once you pick an OtherID you're then obligated to pick all OtherIDs that have the same fax number as the one you picked.
If the number requested (6 for this example) isn't possible then "the closest number possible but not exceeding" would be the rule.
For example, if you take OtherIDs from rows 1-10 you will get 6 unique OtherIDs but row 10 shares a fax with rows 11 and 12. You either need to take all 3 (but that will raise the unique count to 8, which isn't acceptable) or skip this OtherID and find one with a fax that has no other OtherIDs and that isn't on the result set already. My result of 6 UNIQUE OtherIDs will need to contain ALL OtherIDs under any fax the existing OtherIDs are connected to.
So one solution is to take rows 1-6, 26. Another is to take rows 1-4,10-14.
There will be many possibilities (the real dataset has tens of thousands of rows and the number of people requested will be around 10K), as long all OtherIDs connected to all faxes on the result set are part of the requested number (6 in this case) any combination would do.
A few notes.
1.Getting as close as possible to the requested number is a requirement.
2.Some OtherIDs will have a blank fax, they should only be included as a last resort (not enough OtherIDs for the requested number).
my table (NR_PVO_120)
Row OtherID Fax
1 11098554 2063504752
2 56200936 2080906666
3 11098554 7182160901
4 25138850 7182160901
5 56148974 7182232046
6 56530104 7182234134
[code]....
A few sample outputs
one solution is taking rows 1-6 and 26.
OtherID
11098554
56200936
25138850
56148974
56530104
56148975
Another solution is taking rows 1-4 and 10-14.
OtherID
11098554
56200936
25138850
56024315
56115247
56148974
This is for a fax campaign, we need to make sure no fax number is faxed twice, that all people connected to that fax number are contacted under one fax sent.
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Feb 23, 2015
I have a lookup value in a table, and I would like to remove all values of the lookup value from vba. How can i do it via vba? i've been trying to do it in a query but i have always some errors and i can not remove them.
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May 16, 2007
Can anyone give me any guidance on how to use IFF statements in microsoft access? or Has anyone got a link to a good website that can help me? I need to use the formula below to determine if the quantity of an order from a store is greater than the quantity that is in stock at the warehouse and produce a message message.IIF([quantityordered])(=[quantityinstock]"enoughstock","notenoughstock") I just dont know where to start, i didnt even know you could enter formulas in Microsoft Access so i really need help
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Mar 8, 2007
Hi, I have another problem with my Access database now...
I am trying to disable fields when a certain value is chosen. I can do it for one field with this code:
If ALLOCATION_LP = "Other" Then
OTHER_ALLOCATION_LP.Enabled = True
Else
OTHER_ALLOCATION_LP.Enabled = False
End If
That one works perfectly well, but I have another one that needs to disable two fields instead. If they choose "No Extant PP", I want it to disable two fields; one combo box - PLNG_PERMISSION_STATUS_2 (which I can get to and it works) and also an "Other" text box - OTHER_PLNG_PERMISSION_STATUS_2 (this is where i get stuck). I have tried two If statements, but whether I'm writing them wrong, I'm not sure.
I would really appreciate the help. Thanks.
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Feb 5, 2008
'construct a where clause as required
If Nz(Me.Manufacturer.Text, "") <> "" Then
Where1 = "WHERE MFRcode LIKE '*" & Me.Manufacturer.Column(0) & "*' "
End If
Me.list.RowSource = _
"SELECT ID, Description, Par, MaxCoins, PayLines " & _
"FROM MachineTypeQuery " & _
Where1, Where2 & _ <- how do i get something like this to work
"ORDER BY Description;"
Exit Sub
Where2 comes from another control and has to be filled in before they get to this control. also "where1" and "where2" are set as public stings
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Feb 25, 2005
I want to check eight Yes/No fields. If none of the boxes are checked I want to display a msgbox. I can link seven of the fields (no problem), when I add the eighth it doesn't work.
Am I limited to seven fields in my statement? Is there a way around this?
Any help would be appreciated.
============
If Me.Printer = 0 And Me.Hardware = 0 And Me.Software = 0 And Me.MSOffice = 0 And Me.Network = 0 And Me.NewComputer = 0 And Me.Profile = 0 And Me.Other = 0 Then
MsgBox "You must enter the type of problem(s) addressed with this customer", vbQuestion, "Type of Problem(s)"
Else
blah blah
End if
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Nov 5, 2004
I want to select all records where a specifc field data start with specific data.
I'm having a meltdown because I know if is easy. If have tried Like "*" but that doesn't work. What is the command for Starts with?
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Feb 28, 2007
My database has a field named "Note". This field will either have a "Y" or "N" in it. At the bottom of a report I'm writing, I want to count the number of "Y's" (not the "N's") at the bottom of my report. Can someone tell me how to do this? Thanks so much in advance!
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