Queries :: Selecting Only The Max Row Through SQL

Aug 11, 2015

A query TaxType_Query produces the following results

TaxType; FromDate; ContactID, FullName
W2; 7/1/15; 1, Tom
1099; 4/1/15; 1,Tom
W2; 1/1/15; 1, Tom
W2; 1/1/10; 2, Dick
1099; 1/1/09; 3, Harry

I need the query to show only the rows with the maximum FromDate for each ContactID (result would be the 1st, 4th and 5th rows only). I assume there is a quick SQL statement that will work better than Totals / Max criteria method. If I set the FromDate criteria to Max the TaxType field is a problem as they have different values I cannot group by that field.

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Code Help In Selecting Queries.

Dec 14, 2004

I am needing help with how to set up the code to select different queries based on different conditions.

The database is to be set up so that I can pull studies at different time points based on if they are under long term, accelerated or stressed conditions. When this condition is selected there are only certain time points which are to be run,
example.....
Long term: 3,6,9,12,24,36,48 and 60 months.
Accelerated: 3,6,9 and 12 months.

As you can see I have the dates calculated for all of the weeks and months that the sample could be pulled at, Inventory Transactions Table. And I am able to generate throught the Pull Dates Form a list of only the records to be pulled under Long Term conditions. I would like to have the form set up so that when I choose the Accelerated condition that it would pull from another Query like the Pull Dates Long Term, but only have the Accelerated time points listed.

I am not sure if I need an If/Then statement and if so how do I set this up.

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Queries :: Selecting Max From Grouped Data

Nov 26, 2014

I am having trouble writing what I think should be a fairly straight forward query... I am have a table with 2 fields, the first contains a list of subjects, the second contains a list of scores that students got in their tests in that subject.

So the data looks like this:

Maths 54
Maths 69
Maths 41
English 71
English 55
Art 44
Art 43
Art 66

I would like to write a query that selects only the highest score for each subject and presents it like this:

Maths 69
English 71
Art 66

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Queries :: Selecting Dates From A List

Dec 11, 2013

I have a table containing a list of dates in "MMM YYYY" text format from "Jan 2010" to "Dec 2020".

I would like to restrict the list from the first record (Jan 2010) to the current month using today's date (eg in this case Dec 2013).

I know about

Code:
Format(Date(),"mmm yyyy")

And have tried the criteria

Code:
<Format(Date(),"mmm yyyy")

But doesn't work and haven't got much further....

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Queries :: Selecting Maximum Value For Each Primary Key

Mar 9, 2014

I am doing an outline design of a database system to handle the results from an archery competition in a couple of weeks.

Currently I have a table with a primary key to hold the information on the competitors (name, age etc.) and this is linked to a table via a foreign key (the archers name) to enable multiple scores to be recorded against each archer.
For the purposes of the competition only the first score shot each day is valid and so I am using a yes/no box to filter out these results.

What I would like to do is then filter the results such that only the largest of these first session scores is displayed for each archer. (i.e if archer A shoot 578 on day 1 and 585 on day 2 i would like the database to only report the 585, and similarly for the other entries).

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Queries :: Selecting Latest Row For Each Year

Dec 18, 2014

I'm having trouble with a simple query. They have an access database with a table like this (simplified for this example):

--------------------------------
Name Result Date
--------------------------------
Bob 5 1/1/2014
Bob 6 2/2/2014*
Bob 7 3/3/2015
Bob 8 5/4/2015*
Len 5 1/1/2014
Len 6 2/2/2014*
Len 7 3/3/2015
Len 5 7/4/2015*
---------------------------------

how I would write a query that gives me the latest result that each person earned in each year (I put a * symbol against the rows above that I am talking about)?

Bob 6 2/2/2014
Bob 8 5/4/2015
Len 6 2/2/2014
Len 5 7/4/2015

(The database is normalised and this table has an ID field).

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Queries :: Selecting Fields In Query

Jan 24, 2014

I have a query that is used to capture all the fields that can be possibly used.When run & exported to excel the user then simply deletes the columns with the fields that they don't require.We do this so we don't have to keep creating queries over and over again when you just use one that does all but then delete what you don't need afterwards.

Any way of using a form with tick boxes for each of these fields so when they user ticks the fields they require reporting on then only those fields will be returned in the query.

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Queries :: If Statement As Selecting Field

Aug 27, 2013

I am having some trouble with an iif statement as selecting the field..I have two columns, one called [sdCounterpartyprice] and one called [bid]I want to select the [bid] if it's not equal to Null or 0, if it is equal to that then pick [sdCounterpartyprice]this doesn't work

Code:
CptyPrice: IIf ([bid] is null or = 0; [sdCounterpartyprice]; [bid])

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Union Queries And Selecting Fieldnames With Criteria

Oct 18, 2006

I am trying to combine fields (different columns) into one field. However I am trying to have a criteria for the fieldname. For example I wish only to combine the columns that contain the text 2003 (ie [Value 2003],[Price 2003]). I have tried to use wildcards in SQl ie select * from [query] where * = %2003. I must be missing something because I can't seem to work it out. It must be simple. I have also tried several ways through the design grid with wildcards in expressions. I also don't want to union the columns by using the exact names ie [Value 2003]& [Price 2003] because additional columns may be added.

Any help, extremely appreciated, I have wasted a whole day with this.

Deesy.

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Queries :: Selecting All Date Fields Between Two Dates?

Jul 31, 2013

I'm trying to select a range of relevant dates for an amortization calculation (see my earlier thread on this subject here), but I'm having a bit of trouble making the SQL work.

I have a table called "t_AllMonths" that has only one field: MonthStartDate which contains the first day of the month for a very wide range of months over something like a ten-year period. I'm calculating amort for assets which will be amortized for some subset of those months (defined by the asset's Amort Start Date and Amort End Date). Further complicating matters, the amortization may be suspended during certain "hiatus" periods when the asset it not planned to be in use, and may differ by which business units make use of the asset.

So, I have three tables.

Table: t_Assets
Fields: AssetID (autonumber; primary key), Asset_Name, Asset_Cost

Table: t_AllMonths
Fields: MonthStartDate

Table: t_AmortPeriods
Fields: AmortPeriodID, AssetID, Amt_Period_Num (which I don't expect to use in this), StartDate and EndDate

Right now, I'm just trying to pull the range of dates between the earliest amort start date and the latest amort end date. (Min of StartDate and Max of EndDate, respectively) for a given AssetID.

My sql looks like this:

SELECT t_AllMonths.MonthStartDate,
Min(t_AmortPeriods.StartDate) AS MinOfStartDate, Max(t_AmortPeriods.EndDate) AS MaxOfEndDate,
t_Assets.AssetID
FROM t_AllMonths,
t_Assets INNER JOIN t_AmortPeriods ON t_Assets.AssetID = t_AmortPeriods.AssetID
WHERE ((t_AllMonths.MonthStartDate) Between [MinOfStartDate] and [MaxOfEndDate]);

I keep getting an error message that reads "Run-Time Error 3122: You tried to execute a query that does not include the specified expression MonthStartDate as part of an aggregate function."

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Queries :: Running A Query From Selecting Field Name

Jun 3, 2015

I have a table of prices for commodity contracts, with my first field showing the dates the prices are from and the subsequent fields relating to the individual contracts (contract A, contract B, contract C, etc.)

I want to run a query that allows a date range to be selected, and a contract to be selected.

the first part I am pretty sure i know how to do (Between [Enter Period Start:] And [Enter Period End:]), but its selecting which contract i want this range to apply to that I am not sure how to do.

Can this be done in the same query? or would i have to do something like create a separate query for each contract and then use a form with a selection box that chooses which query to run?

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Queries :: Selecting One Record And Place It On Report?

Jun 26, 2013

After running a query is it possible to select just one record and place it on a report or print it? If so how do i go about it?

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Queries :: Selecting A New Calculated Field In Same Query

Aug 30, 2013

I want to calculate a field that is Sales*6+Salary, then in that same query I want to select ONLY the greatest Salary per employee. So for example

SELECT EmpId, MonthDate, Sales, Salary, [Sales]*6+[Salary] AS SalTot
FROM EmpTable S1
WHERE SalTot = (SELECT MAX(SalTot) FROM EmpTable S2 WHERE S1.EmpId = S2.EmpId);

Can I not select a value that has been calculated this query?

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Queries :: Selecting Related Image Based On Percentage

Aug 16, 2013

I have 2 table,

Table1 has fields
docno (text)
title (text)
progress (number)

sample data is like below:

doc-001 test1 90%
doc-002 test2 25%

Table2 has fields

sample data is like below:

id (number)
icon(attachment type)

1 image1
2 image2

Now I would like to make a query when progress of each docno is equal and more than 50% it uses image1 And when progress is less than of 50% it uses image2

Doc-001 test1 90% image1
Doc-002 test2 25% image2

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Queries :: Selecting Most Current Record For Item That Has Multiple Records In A Query

Oct 31, 2014

I have a query pulling data from two other queries (qry_Reports and qry_Surveys). Clients may have more than one ReportID, but only one ClientID. I need to query for only the most current ReportID (which is the larger value) for each client to find the surveys for the most recent report. How can I query for only the most recent report for each client based on the highest value of the ReportID per ClientID?

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Queries :: Admission Details Of Patients Admitted To Hospital - Selecting Duplicate Records

Feb 3, 2014

I'll first of all explain the purpose of the query. I've built a database to record the admission details of patients admitted to hospital. Amongst other things, the database captures date/time of admission and date/time of discharge.

The query I am building needs to show patients with multiple admissions, and in particular, the number of days that have elapsed since they were last discharged. Within my query is the following subquery that I had written to show this aspect of it:

(SELECT TOP 1 Dupe.[Discharge Date]
FROM [Inpatient Database] AS Dupe
WHERE Dupe.[CHI Number] = [Inpatient Database].[CHI Number]
AND Dupe.[Discharge Date] <= [Inpatient Database].[Admission Date]) AS [Previous Discharge],

Note: "CHI Number" is a unique reference number assigned to every patient.

I then display in a column [Admission Date] - [Previous Discharge].

This works fine where a patient only has one previous admission. However, where a patient has multiple admission, the subquery always returns that patient's first discharge date instead of their most recent discharge date (because I have used the "TOP 1" predicate). It seems that it should be straightforward enough, however I can't seem to work around it. Anything I try results in errors, and so I keep defaulting back to my "TOP 1" solution.

i.e. What I want it to show is:
Name.......Admission Date...Discharge Date.... Previous Discharge... Days Between Admissions
Joe Bloggs ..01/01/2014 .......10/01/2014
Joe Bloggs ..15/01/2014 .......20/01/2014 .......10/01/2014 ..............5
Joe Bloggs ..27/01/2014 .......01/02/2014 ........20/01/2014 .............7

However, what it actually shows is:
Name ......Admission Date ...Discharge Date ...Previous Discharge ...Days Between Admissions
Joe Bloggs ..01/01/2014 ......10/01/2014
Joe Bloggs ..15/01/2014 ......20/01/2014 ........10/01/2014 .............5
Joe Bloggs ..27/01/2014 ......01/02/2014 ........10/01/2014 .............17

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Selecting Only The Best Three

Nov 13, 2007

Hello All,

I have a small problem which I feel I should be able to solve but the hours of trying are proving me wrong!

From a choice of 16 events, competitors can enter as many as they like providing they are eligible. For each event they receive performance marks which are duly stored in a table. Some compete in 1 event others in 5 or 6. (I do not have a control showing ‘number of events entered’ and have tried several options, all unsuccessful, to create a ‘count’ of events entered. Is there a way?) My main problem is, from each individuals’ records, how do I select only the highest 3 marks from the classes each individual entered.

I’d be very grateful for any advice/guidance.

Bomac.

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Selecting Record

Apr 20, 2006

I have a table with customer details, probs over 3000 customer, and i need a method of selecting the customer in a form by their surname. Currently i have a combo box, but as you can imagine, this is not practical with so many records. anyone think of any other way to do it?

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Selecting First 10 Records

Apr 10, 2006

Hi,

I have a query that gives an out put of 'worst offenders'. these offenders are in order of on field ascending (number of entries made per week) and another field descending (total sales).
It is by the combination of the sorting of these fields that we have an ordered list of offenders.

For my report i want to only see the top 10 records of this sorted list.

so for this selection i simply want to select the [B]first 10 records [B]of the ordered list. I cant make a selection by any one particular field(as explained above)

i have looked into the 'select top' functions and 'dfirst', but I dont think they'll work for me.

Any ideas?
Slighlty confused,
Rosxx

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ARGHHH Selecting All

Jan 17, 2007

Can anyone tell me why sometimes when i'm using access all of a sudden when i click in cells, control boxes etc that i select everything and i cant position the mouse with a string of text with selecting all of it.


VERY frustrating.

cheers,
Spinkung :confused:

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Selecting Records

Jun 11, 2007

hey guys, im having one last problem with a report im making. just want to thank boblarson, Rich and Dennisk for all the help they have given me upto now, i have added to your reputation guys, thanks!

My problem is as follows:

I have a form for my products and a subform for the suppliers, each product can have many suppliers.

I need to have a report of products to send out to customers, so i created a check box to "tick" if i want to include it in the report. So far so good, however, the report shows each product several times for each supplier :(

can anyone tell me how to select only the supplier with the lowest supplier price for each product

Cheers guys

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Selecting By Day From Date

Dec 6, 2005

Good Afternoon,

I am currently trying to create a query that will allow me to do the following:

Prompt the user with a pop up box, asking:

Please enter start date
Please enter end date

It will then select everything from my table between those two dates (this works), and then it will ignore all those items that have a time after 7am or before 7pm (this works), but I need it to also select all entries that fall on a saturday or sunday. Now because my raw data comes in the form of (australian dates): 7/09/2005 9:39:10 AM, I am using an update query to split the field into two fields: DateFrom and TimeFrom (both are date/time fields). I then need to create another field called Day, which takes the data in DateFrom and converts the date to dddd (using Format(Date()) i assume), giving me a field with the day name in it, ie: Sunday.

I can then use that to differentiate between weekdays and weekends.... as I use MySQL and PHP more often than I do access, I have no idea how to do this.

So in short:

How do I (this is what i think i need):

Select * from tblData WHERE Day!=Sunday OR Saturday AND TimeFrom > 7:00pm OR TimeFrom < 7:00am

Select * from tblData WHERE Day=Sunday OR Saturday


Both of those selections, will of course need to be performed within my date constraits specified by the user.

Am I making sense?

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Selecting One Instance

Dec 16, 2005

Hi guys,

Still trying to get used to this Access lark.

A table contains a column with numbers i.e - 1,1,3,4,2,2,2,3,4,4

If i just want a query that shows one of each i.e - 1,2,3,4

what do i need in the criteria line?

Thanks in advance

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Selecting Rows

May 17, 2006

Hallo Everyone,

I have a small problem in query selection. I have a query that selects values based on a criteria. [value from a combobox]. The problem is that i need to select all the rows if the value of the combobox is empty.





aravind.s

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Selecting Most Current Value

Jun 8, 2006

I am working on a query to select the most current value for a given record
based on dates. The record has an associated cost for a given year say 2000.
For years 2001 to 2006 there is no cost. I want to use the cost in 2000 for
the most current cost even though my date criteria specifies say 2002. Can
this be done within the select query?

Thanks

Tony

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Selecting Dates

Jun 29, 2006

Quick one for you geniuses out there!

I would like a command button to print records from a select query displaying dates for the past 2 days but not for todays date.
e.g. today is the 29th, I want to print records for the 27th & 28th.

Data is being recorded hourly and kept for 2 months so there will be new and old data that I don't want printed.

Thanks for the help!!

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