Queries :: IIF With Null Included Field - Lookup Table Values
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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Apr 4, 2006
Hi,
Is there anyway to have a single field in a table which is populated via the use of a lookup onto another table, but allowing multiple value selection out of the lookup table and populating those into the field...
For example
Table 1 is customer details
Table 1 field 3 = areas of interest
Table 1 field 3 is populated via a lookup into Table 2 interests
Table 2 has 4 records
Sport
Household
Motoring
Family
I want to be able to select 1 or more of the Table 2 values and populate them into Table 1 Field 3....
Help my head hurts....
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Feb 2, 2014
I have a database that has 2 tables. Table A and Table B. Table A is my primary table. On this table I have 2 fields. The first field is a LOOKUP Field that looks up information from Table B and displays my selection in the field on Table A. Then using DLOOKUP I automatically input the information in the Second Field on Table A based upon the selection from the First Field.
This is working mostly correctly. However, the problem is, when I click on the next record in the table, it automatically changes the Second Field on that record to the same value as the record before it and continues this trend each time I click on another record. This occurs without me making a selection in the first field. If I make a selection in the first field it does change the Second Field to the Correct Value, but then the next Record has the same issue.
How do I go about fixing this so it doesn't change the value with the change of the record. Only change if I change that particular field within that 1 record?is there a way to restrict the Value's in my lookup field to only include the Values from Table B that aren't already in Table A?
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Jul 6, 2015
I have a split database and need a field (Combo type) in the table to lookup values from a query in the front end. How do I do this as it doesn't see the querys because the front and back end are split?
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Nov 30, 2012
Access 2010..One organization that we work with provides us with a block of numbers for each of the two types of contract products we order from them; we do order non-contract stuff from them also.The block of numbers are the same (i.e. 20000 to 30000 this year) for each of the two products. This means that each product can have the number 20000, for example. We call this the Tracking Number. If it is one of these products, we need to select the Contract Number.
For all other one off orders we have with them, we assign our own Tracking Number starting with 00001. This Tracking Number cannot duplicate unless it is one of the aforementioned two products.Both the Tracking Number and Contract Number are in the same table. The user selects the Contract Number from a form (connected to the Contract Number table that has all the details on the contract) and the Contract Number is populated in the same table that has the Tracking Number.Each order must have a Tracking Number (no null)..Not all orders need a Contract Number (null okay).The Tracking Number and Contract Number combination cannot duplicate.I tried setting the primary keys to more than one field in the table, but they cannot have null values.
If not... I have been working on Plan B.... an AfterUpdate on the form (either the form or a field... don't know yet) that looks at a query that only has results if there are duplicate values.
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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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Jun 10, 2013
Trying to run a query using criteria to populate the query by looking at information from a field on a form, if from is closed I need that criteria to look at the table and return all date in table.
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Mar 2, 2015
I have two tables.descriptions I'd like to relate and use to find/replace in bulk.
[Checking].[Description] (with the source data)
[Rename].[NewDescription] (with the correct data)
I'd like the values in [Checking].[Description] to be replaced with the values in [Rename].[NewDescription], including those that are "Like".
Examples:
[Checking].[Description] = Geico 12345
[Rename].[NewDescription] = Geico
[Checking].[Description] = Geic
[Rename].[NewDescription] = Geico
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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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Jun 24, 2014
I have two tables one with all the personnel (tblPersonnel) I'm tracking, another with different report names (tblReports).
For each report, there are different years that it's valid for.
On the reports table, I have three columns, ReportID, Report_Title, and Years_Valid
I'm using a lookup on the personnel table that stores the report name as the ReportID.
What I want to do is in a query use the Years_Valid column to automatically generate review dates bases on dates already in the database.
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Jun 13, 2006
BACKGROUND
I am desperate to solve this problem but unfortunately I have not been able to figure it out. Below I will outline a design of a database and the desired results.
I know what I want to do but I don’t know how to do it (or whether it is impossible!)
DATABASE DESIGN
The design below is a simplified version of the real thing but it contains the essential information needed to understand my database.
Staff Data
Contains daily data for several members of staff
Staff ID
Staff Name
Date
Data Field 1
Example records:
600-001, Bob Smith, 01/03/2006, 50
600-001, Bob Smith, 02/03/2006, 50
600-001, Bob Smith, 03/03/2006, 50
600-001, Bob Smith, 04/03/2006, 50
600-001, Bob Smith, 05/03/2006, 50
600-002, Jayne Cole, 01/03/2006, 60
600-002, Jayne Cole, 02/03/2006, 60
600-002, Jayne Cole, 03/03/2006, 60
600-002, Jayne Cole, 04/03/2006, 60
600-002, Jayne Cole, 05/03/2006, 60
600-003, Alex Winter, 01/03/2006, 20
600-003, Alex Winter, 02/03/2006, 20
600-003, Alex Winter, 03/03/2006, 20
600-003, Alex Winter, 04/03/2006, 20
600-003, Alex Winter, 05/03/2006, 20
Team Lookup
Shows what team each staff member belongs to and what date this is effective.
Staff ID
Team
Start Date
Example records:
600-001, Sales, 01/01/06
600-002, Sales, 01/01/06
600-003, Accounts, 01/01/06
600-002, Accounts, 04/03/06
Please note:
The first three records show that at the start of the year Bob (600-001) and Jayne (600-002) worked for Sales and that Alex (600-003) worked for Accounts.
The last record shows that from 04/03/06 Jayne switched teams to Accounts
Query Assign Team
Assigns the correct team to Staff ID for each date
Staff ID
Staff Name
Team
Date
Data Field 1
Desired Results:
600-001, Bob Smith, Sales, 01/03/2006, 50
600-001, Bob Smith, Sales, 02/03/2006, 50
600-001, Bob Smith, Sales, 03/03/2006, 50
600-001, Bob Smith, Sales, 04/03/2006, 50
600-001, Bob Smith, Sales, 05/03/2006, 50
600-002, Jayne Cole, Sales, 01/03/2006, 60
600-002, Jayne Cole, Sales, 02/03/2006, 60
600-002, Jayne Cole, Sales, 03/03/2006, 60
600-002, Jayne Cole, Accounts, 04/03/2006, 60
600-002, Jayne Cole, Accounts, 05/03/2006, 60
600-003, Alex Winter, Accounts, 01/03/2006, 20
600-003, Alex Winter, Accounts, 02/03/2006, 20
600-003, Alex Winter, Accounts, 03/03/2006, 20
600-003, Alex Winter, Accounts, 04/03/2006, 20
600-003, Alex Winter, Accounts, 05/03/2006, 20
Query Group By Team
Summarises data by team/date
Team – Group By
Date – Group By
Data Field 1 - Sum
Desired Results:
Sales, 01/03/06, 110
Sales, 02/03/06, 110
Sales, 03/03/06, 110
Sales, 04/03/06, 50
Sales, 05/03/06, 50
Accounts, 01/03/06, 20
Accounts, 02/03/06, 20
Accounts, 03/03/06, 20
Accounts, 04/03/06, 80
Accounts, 05/03/06, 80
PROBLEM: WHAT I AM TRYING TO DO
I don’t know how to get the query “Query Assign Team” to work!!
I would like to lookup up the ‘Staff ID’ and ‘Date’ in “Team Lookup” and return the appropriate value for ‘Team’
If the only two records in Tbl Staff data were:
600-002, Jayne Cole, 03/03/2006, 60
600-002, Jayne Cole, 04/03/2006, 60
I want the query to return:
600-002, Jayne Cole, Sales, 03/03/2006, 60
600-002, Jayne Cole, Accounts, 04/03/2006, 60
Can anybody help me?
Should I be using DLOOKUP? If so, how?
Is VBA the only way around my problem? If so, can you tell me what it is?
Am I attempting the impossible?
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Jan 22, 2007
I just started a new database and I'm new at this so I have a question about ID numbers for my two tables.
In Table1, I have faculty demographic information, and a FacultyID (unique ID number created by AutoNumber).
Table2 has the courses those faculty members taught - one faculty teaches many courses. But this table does not have the FacultyID that I added to Table1.
So, how do I automate the process of looking up the FacultyID number from Table1 and adding it to the currently blank FacultyID field in Table2? Theres hundreds of records and this will be done every semester, so I need an automatic way of doing this lookup.
Any help would be appreciated. Thanks.
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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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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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Apr 14, 2014
I have a query that takes a value, Proposalvalue, and depending on the currency, loc curr, it calculates the currency. It gets the currency value from the currencies table and appends to TableB
eg.
proposalvalue currency
50000 1
Currencies
id Value
1 0.6587
This creates the conversionvalue = 32935 in the TableB.
I have a form that can viewedit the data in TableB.
Using this form, I want to be able to change the proposalvalue and for it to automatically update the conversionvalue.
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Nov 16, 2006
I have a small database with 3 tables.
tblBilltoCustomer
Fields - Key - BillCustID , companyname, address1, address2, city, state
tblOrders
tblCustomers
I have a form that has tblCustomers as the main form then tblOrders as a sub form.
I want to place a combo box on the form that will lookup a company name from the tblBilltoCustomer table then brin in the address1, address2, city,state , into the form for that record. But then I need that same info to print on a rpt.
I can get the lookup to work using =cboCompanyName.Column() but the addresses , city and state will not show on report
Is there any good samples of lookup fields
Any Ideas are greatly appreciated
Dean
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Feb 12, 2014
II have been working in Access 2010 and by no means would I call myself an expert. I have two different tables, one is called 'JobsList' and the other one is called 'StatHolidays'. On the Jobslist form, I have a field that requires a ship date, however, I don't want to allow the user to select the dates listed in the StatHolidays table. Is there a way that when a user picks a date that is listed in StatHolidays that a pop up box will say "This date is Christmas, do not choose this as a Ship date". The 'StatHolidays' table has a field for a date and for a description of the holiday.
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Apr 24, 2015
The Lookup table has two fields containing values that are needed: Description and Amount ($). In the table that uses the Lookup, I'd like to have both values shown, but have a dropdown just once. In other words, when the user selects a description (the dropdown shows both the description and amount), can the amount be inserted into an Amount field as the description is done currently.
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Feb 1, 2006
All,
Introduction (I case I'm doing this all wrong)
I have 1 huge table of data:
SysID
PersonData
"
"
"
"
AddressData
"
"
"
"
"
"
"
"
"
TelephoneData
"
"
"
"
Year (this is 1 or 2)
I'm taking each component Person, Address, Telephone info and making a compacted table of each (i.e. lots of Jane Does etc, appear in both years)
Each table with have a URN
I then need to update the big table with the URN so move onto another part of getting this data into a usable format.
Basically what follows is my question on how to get the URN's back into the table:
-----------------------------------------------------------------------
Is there a quicker way (or a way I'm not seeing) of doing the following.
I have a set of data 'tblDatabaseTable, say:
ID
Field1
Field2
Field3
Field4
In the database.
I have an imported file which will be tblImportTable, same deal without the ID:
Field1
Field2
Field3
Field4
I need to compare the data on each table:
SELECT * FROM tblDatabaseTable
INNER JOIN tblDatabaseTable
ON tblDatabaseTable.Field1 = tblImportTable.Field1
AND tblDatabaseTable.Field2 = tblImportTable.Field2
AND tblDatabaseTable.Field3 = tblImportTable.Field3;
Works great as long as all the fields have values in.
Is there a way to compare the tables and get results as:
Database
Ian MacConnell null
Import
Ian Macconnell null
Match!
without doing something like:
SELECT IIf(IsNull([Field1]),' ',[Field1]),
IIf(IsNull([Field2]),' ',[Field2]),
IIf(IsNull([Field3]),' ',[Field3])
FROM DatabaseTable
SELECT IIf(IsNull([Field1]),' ',[Field1]),
IIf(IsNull([Field2]),' ',[Field2]),
IIf(IsNull([Field3]),' ',[Field3])
FROM ImportTable
before comparing them???
Phew, hope that all makes sense, very long day and I'm........
Cheers,
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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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Jul 10, 2014
The following code doesn't check null condition in Scannedby field. The scannedby has text data type. The code gives me all the data where scandate=20130722 but doesn't check that scanned by can't be blank.
Code:
rs.Open "select count(*) from BatchTBL2 where scandate=20130722 and scannedby <> null", cn, adOpenKeyset, adLockOptimistic
j = rs.fields(0).Value
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Jun 26, 2015
VBA Code to go in the on double_click event of a name field in a Subform bound to a table. The subform is just a copy of a data table and within the subform view, When the field "employee name" which contains e.g. John is double clicked, I would like access to Lookup and get John's email in the employee table under field "Email" and launch outlook application and insert it into the To field.
I assume hyperlinking the field can also achieve this similar to what excel does but I am fast learning that what is standard functionality in excel is a whole another story in Access..
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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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