Queries :: Compute Field With DLookUp In Query?
Jun 6, 2014
I'm designing a query. It's very simple.
I just need to compute something like:
Var: TT[YYZ for this month]-TT[YYZ for last month]
The table is called C1 and has the fields i'm interested
YYZ: Location
TT: number
mxx: date
So, i have for YYZ a list of places and for TT a list of values. MXX has the date of the record on the table.
There is one record per date, which it means, there only one record for 1/1/1991 for the YYZ=2.
NF should calculate the difference between the the record on t against t-1.
I've tried with this
Var: YYZ-DLookUp("yyz","[C1]"," "[YYZ]=[YYZ]" AND "[mxx]=DateAdd("m", "-1", "[mxx]"))
But it fails.
I upload a xls sheet with the desired field, Var ,calculated.
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Jun 2, 2014
I need to compute the increase for the field Area the following:
yyz(t)-yyz(t-12).
T es month. The table has this structure
Area yyz date Y
Area represents different locations. Each area has only one record per month. Month is obviously the field Date. And Y is yyz(t)-yyz(t-12).
I tried to use DateAdd on access 2013 but the function seems strange, and besides, i don't know how to link
Area yyz(t) date Y:yyz(t)-yyz(t-12).
I just want to create a query in which i can see for each record his yyz value this month and yyz the last year on Y.
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Oct 30, 2013
I have a field created in a query expression
BirthMon: Format([DOB],"mmmm")
I would like to create another field in the query using DLookup to return the value of the BrithMon.
BrithMonthID=DLookUp("MonID","tblListMons","BirthM on = Mon")
This works good if used with an unbound text box on a form, but when entered into a query expressions, an error is returned: cannot find the name 'BirthMon'
Can I used DLookUp in a Query expression to refer to another Query created field?
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Dec 3, 2013
I have a query that pulls data from a table called Data. I'd like to add a column to the query that will be the moving average -- For example, for a Month Beginning Date of 12/2013, it would average the SumOfCount variable for 10/2013, 11/2013, and 12/2013.
This is the sql code for my query without the moving average:
SELECT Data.Behavior, Sum(Data.Count) AS SumOfCount, Data.[Month Beginning Date], [First Name + Last Name].Wing, Data.[Full Name]
FROM Data INNER JOIN [First Name + Last Name] ON Data.[Full Name] = [First Name + Last Name].[Full Name]
GROUP BY Data.Behavior, Data.[Month Beginning Date], [First Name + Last Name].Wing, Data.[Full Name]
HAVING (((Data.Behavior)="PRNs") AND ((Data.[Full Name])=[forms]![report parameters]![fullname]));
How to insert that column into my code?
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Jun 13, 2013
I am trying to create a form with multiple combo boxes where users can select fields from my main database and click a button to generate a report based on their selections. I think I am supposed to create a generic report with perhaps 4 fields where I would link the four combo boxes to. The issue is I cant seem to get the selection of the combo box to change the field that the report should pull from the database. I think I am supposed to use dlookup in the reports control source for each field, but I cant seem to get it to work.
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Mar 2, 2007
Hi all,
my question is how do I compute an age based on the day of birth, and compute the average age, all in the same query ?
All answers would be appreciated.
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Mar 18, 2014
I need some syntax in setting 2 criterias for a DLookup query.
I've attached a sample db with 2 tables: Main & Timesheet
I need a "combo" query showing (on the same line) all Qty for Transcodes N, 1 & 2 where the Staff number and TSNum is the same.
I'm sure about the logic but the syntax is letting me down.
I can pull in 1 of the criteria E.g.:
OT1: DLookUp("Qty","ExOT1","[Staff] =" & [Staff])
But can for the life of me not script the second criteria in.
So in my result of ExCombo I'm getting Staff 11 showing 4 under OT1 while I know the result does not apply for TSNum 29832 as indicated hence the need for the 2nd criteria.
Since I have to change some of the values to text inside the query it might be best to have a look at the attached db rather than just suggesting the correct syntax .
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Apr 23, 2013
I've been asked to get involved in some access development but don't seem to be get my dlookup syntax correct.I essentially want to lookup what salary band different employees are in.I have two tables:
Employee Table) has the fields: Name, Type, Salary
Salary Band Table) has the fields Employee Type, Salary Band, Lower range, Upper range..my query syntax is:
Code:
Band: DLookUp("[Salary Band]","Salary Band Table", [Salary] & " BETWEEN [Lower range] and [Upper range]" & "AND " & [Type] & " = [Employee Type]")
I can get the first criteria to work but can't get the second part to work - currently it produces an error.
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Jan 7, 2014
I have been all over the internet and trying different things for hours to no solution. I have created a form (Code) which I am using to auto fill two categories in a form using dlookup. Both categories fill perfectly but I cannot get the information to transfer to a query in order to capture the information in a report.
These are the dlookups I've been using and the categories I'm attempting to capture are "Description" and "Category"
=DLookUp("Description","[Code]","[CodeID]='" & [ViolationCombo] & "'")
=DLookUp("Description","[Code]","[CodeID]='" & [ViolationCombo] & "'")
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Aug 8, 2013
I am having a problem with a Dlookup query. I want to achieve the following - I have 2 different tables
Demography Table - consisting of 2 fields, City and Region
For example
City Region
NYC NAM
The other Table totalflow consists of several field, one of the is flow from.
For example
Flow from
NYC
WAS
SEA
I want to do the following. Lookup the Flow from filed in table totalflow, and compare it to City in demography Table. If City = Flow from, return the value in Region. All are text fields.
I have tried following Query, but it only returns the same value for all rows. (from SQL view)
SELECT DLookUp("[Region]","Demography Table","[City] = '" &[Flow from]& "'") AS test
FROM [Demography Table], flowsize;
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Apr 17, 2013
I am trying to create a Dlookup in Access 2010 within a query using query wizard. I want to lookup the tax rate for an employee based on a salary range and their 'tax category' (string). Through troubleshooting I can get the criteria to work separately.
These are: DLookUp("Base","TABWT","[TABWT].[Taxclass] = '" & [FirstOfTaxGroup] & "'")
DLookUp("Base","TABWT",[grosspay] & " Between [TABWT]![Minimum] And [TABWT]![MaxBracket]")
These work and return the correct values for each column/row when I run the query.
However, when I combine the criteria (using the build wizard) as follows:
Expr1: DLookUp("Base","TABWT","[TABWT].[Taxclass] = '" & [FirstOfTaxGroup] & "'" and [grosspay] & " Between [TABWT]![Minimum] And [TABWT]![MaxBracket]")
The Dlookup will returns 0 values but will not give an error message.
I've tried quite a few variations on syntax and quotes and so on. However, it's just not working for me.
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Jan 19, 2006
Hello People,
Can you do a dlookup in a query?
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Aug 6, 2013
I have two tables
Criteria_Ratings:
FFMin
FFMax
Rating
BaseData:
FF/M
What I am trying to do with a Dlookup is return the Rating when FF/M is between FFMin and FFMax. All fields are Numbers.
FFRating: DLookUp("Rating","Criteria_Ratings",[FFmin]<[FF/M] And [FFmax]>=[FF/M])
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Feb 21, 2015
i have an access table.i m using Dlookup function for select data in dlookup , i want to sel field as combo box value, and i want when i change combobox value by select from list ,dlookup result will be change .
how can i do it.
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Jun 1, 2015
I am trying to use a Like statement in a VBA dlookup, as some of the fields in a third party db i cannot manage are variations of fields in a table i need.
I currently have:
Me.Clinic.Value = DLookup("[ID]", "dbo_Clinics", "[Name] = Like '%' & [Forms]![frmHome]![subaTcTools].[Form]![subbDST].[Form]![txtClinic] & '%'")
But I get a runtime error 3075 missing operator.
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Sep 5, 2013
I have 2 tables, one called Addresses and Extended Areas.Within my imported orders I have addresses with postcodes and countries. My Extended Areas table has Country, zip_low, zip_high and extended area with a Y.I wish to check certain postcodes from a particular country between zip_low and zip_high, which gives Y if it is indeed a Extended area.
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Aug 29, 2005
In a previous database i used the dlookup function as the conrol source for an unbound text box.
it looked like this:
=DLookUp("[Name]","tbl_GP_Details","[GPNumber] =" & [Forms]![frmPatient_Dets]![GPNumber])
This populated the text box with the name from the gp details where the gp number was the same as the gp number on the form.
This worked fine but now i need to create something similar however instead of using a number to link them (GPNumber) the field is text this time, the above code does not work. Do i have to add anything else so it recognizes it to be a text field and not numeric??
Hope this makes sense
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Aug 30, 2014
Can't figure out why dlookup will not work for me in a query for certain dates?
Simple example to highlight the problem:
Table1 -
Read_Date----Read_Value
31/07/14-------10
01/08/14-------20
03/08/14-------30
20/08/14-------40
Query based on this table with the following calculated field:
Expr1: DLookUp("[Read_value]","Table1","Read_Date=#" &[Read_Date]& "#")
Query output -
Read_Date-----Expr1
31/07/14--------10
01/08/14
03/08/14
20/08/14--------40
Will not return a value for 01/08/14 or 03/08/14 (dd/mm/yy)
If you try it with many dates its skips several and I cannot see a pattern.
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Jan 13, 2014
I read a lot about retrieving the LAST generated Identity from an SQL-server table. Everythings seems to work, but I get a wrong result.It seems that SELECT SCOPE_Identity does not work with access when working with such a code for example:
strsql = "INSERT INTO tbltest ( myDate ) " _
& "SELECT '" & dteDate & "' AS dte; SELECT SCOPE_IDENTITY() AS TestID; "
Call SQL_PassThrough(strsql,"myTest_PT")
2nd parameter is an existing PT-Query with the connection and return values=yes. If no 2nd para then there is no resultset, only the insert.
So I changed it to:
strsql = "INSERT INTO tbltest ( myDate ) " _
& "SELECT '" & dteDate & "' AS dte; "
Call SQL_PassThrough(strsql)
Set rs = CurrentDb.OpenRecordset("select @@Identity as TestID from tblTest")
lastID = rs("TestID")
This brings me to my big surprise an Identity from ANOTHER (!!) table, but not the last one from tbltest. The code is running for test reasons in another modul and not in the one I creating the received ID.
As I have to get for sure the last ID from tblTest I cannot work with DLookup, as in my multisuer App this is not sure enough.build a construction where I get the last ID from the table where I just made my insert.
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Sep 23, 2013
I have a table that will have ITEMID as unique field but location could have save values. I tried using DLOOKUP to look at the value for the previous record to see if I need that value is same as current, however, since my data query are text formats, I am unable to. I get a message of mismatch data type. apply my query to look at sorted table by Location and ITEMID and if previous location = location, then my area=0?
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Jul 31, 2014
I currently import data into a table and it it has a text field which looks like this: 12,345.67 GBP...I need to use a query to make this a number field so that I can sum it's contents. I've managed to remove the 'GBP' part but can't seem to get rid of the comma?
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Jun 28, 2013
I have two tables that are joined - called A and B. A has two fields, "PLACE" and "RAND" and is joined to B via field "RAND". Other than "RAND", B has several fields named 01 TOTAL, 02 TOTAL, 03 TOTAL, etc...for about 60 fields.
The "PLACE" field in table A has data that is 01, 02, 03, ect.... How do I structure a query so that whatever "PLACE" is, I can match the XX TOTAL value? In other words, i need to have the query field header be somehow dependent on the value in "PLACE".
Is this even possible?
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Apr 24, 2013
I’m developing a claim tracking database that tracks dates of events that occur in the course of processing a claim; such as, Loss Date, Report Date, Estimate Date, Payment Date, etc. There are 16 different “Events” in all.I currently have the following tables set up:
tblClaim
ClaimID
ClaimNumber
fkEmpID
tblEmployee
EmpID
EmpName
[code]....
What I need to do is create a form where management can choose two or more events, and calculate the average number of days between two of any of the events, for an employee, or all employees.I have created a crosstab query to change the values in the EventName field in tblEvents to field names, and the EventDate as values for the related EventNames. I created another query based on this query to do the DateDiff.
I created combo boxes on my form with the Row Source Type set to Field List, for a list of fields in my crosstab query. I’ve tried to use the following DateDiff function to get the days between the two fields selected in my combo boxes:
Code:
DateDiff("d",[Forms]![frmReportBuilder]![cboEvent1],[Forms]![frmReportBuilder]![cboEvent2])
But I get an error about unrecognized field name or expression for my combo boxes. So I added my combo boxes in the query parameter window, with a data type as both text and value, but with both I get an error “This expression is typed incorrectly or is too complex to be evaluated.” I also specified the column headings in the crosstab but I still am getting the “too complex” error.I’m pretty sure it’s trying to do a Datediff on the literal values in the comboboxes and not recognizing that I’m trying to specify field names.Is it possible to assign field names in DateDiff this way?
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Nov 20, 2013
Bit of a strange question / problem. I am using a Dlookup between two queries. Everything runs fine is I leave the join as option 1: only include rows where the joined fields in both tables are equal. But if I change it to number 3 Include ALL records in right table in left it returns a syntax error on the query.
I can run the same query with same relationships of another table and it is fine!
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Apr 19, 2013
I have a Dlookup which returns the correct value but returns the text of the instead of a numeric value. I have triple checked that the fields are all numeric. I suspect there is something wrong with my Dlookup syntax as it is my biggest weakness. In the following syntax what could be wrong?
DLookUp("SSER","TABSSS",[grosspay] & " Between [TABSSS].[Minrange] And [TABSSS].[Maxrange]")
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Aug 19, 2015
I have a table tblDateGroups, with two field, [Group] (like This Week, Next Week, Last Month, etc) and [Code] that holds the code for criteria for each group in a query. I know the code is fine (like next week = Between Date()-Weekday(Date())+8 and Date()-Weekday(Date())+14 ) because I tested before putting in the table.
On my form I have a combo box that list all the [Group] and i hidden textbox that looks up the code based on the cbx after update...all that is good.
However, when i try to requery the report the criteria is not working. I am simply using the date criteria to read the hidden text box with the code string.
Forms!frmMainHome!subaWelcome.Form!txtCodeForQuery .
the error code is "This expression is typed incorrectly, or it is too complex to be evaluated. For example, a numeric expression may contain too many complicated elements. Try simplifying the expression by assigning parts of the expression to variables."
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