Aggregate Function/Join Troubles

Nov 28, 2007

Hey,

I am running into trouble performing a second join on a column while using aggregate functions over that table.

What I think is happening is that the aggregate values (sum, avg, count) are being multiplied because I am joining on the same table a second time, but I don't know how to fix or avoid this problem.

Here's the query:

---

SELECT
CAST(ro.xing_tc_no AS INT) AS loc_id,
SUM(ro.total_fatal) AS tot_fatal,
SUM(ro.total_serious) AS tot_serious,
SUM(ro.total_minor) AS tot_minor,
COUNT(ro.report_no) AS tot_accidents,
AVG(ro.NO_OCCUPANTS) AS num_occupants

FROM
UserHotspots uh

LEFT JOIN rods_k_crossing AS rkc
ON rkc.location_id = uh.CrossingID

LEFT JOIN rods_occurrence AS ro
ON rkc.tc_location_nbr = ro.xing_tc_no

GROUP BY
ro.xing_tc_no

---

The second join is also performed on rods_k_crossing and that is when the sums, avgs, and counts get multiplied. If I take that second join out the numbers come out fine.

Thanks for any help!

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Transact SQL :: Aggregate Function Causing Error In Complex Join

May 13, 2015

I have a few tables I am trying to join to create a report. Everything was working fine until I tried to add an aggregate Sum function to a column (MaxCap) in table ctfBarn. 

select
x.*, y.division, y.department, y.location
,(right(z.SvcMgrName,len(z.SvcMgrName)-len(left(z.SvcMgrName,CHARINDEX(', ',z.SvcMgrName)-1))-2)+' '+
left(z.SvcMgrName,CHARINDEX(', ',z.SvcMgrName)-1))AS SvcMgrName
,(right(z.SrSvcName,len(z.SrSvcName)-len(left(z.SrSvcName,CHARINDEX(', ',z.SrSvcName)-1))-2)+' '+

[Code] .....

I think I probable need to include a group by but can't figure out the correct syntax.

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Oct 19, 2007

Can any1 tell me why i am getting an error


SELECT DISTINCT

--p.voucher,

--p.amount,

p.siteID,

b.siteID,

SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS OutStandingBalance,

SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS CashCheque,

SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS Vouchers

FROM

BillingTotal b,

Payment p

--WHERE

-- s.sitename=@cmb1

--AND p.siteid = s.siteid

-- p.voucher = 0

-- p.voucher = 1

GROUP BY p.siteID,b.siteID



Msg 130, Level 15, State 1, Line 1

Cannot perform an aggregate function on an expression containing an aggregate or a subquery.

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Aug 24, 2004

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Feb 21, 2008

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Mar 9, 2007

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Mar 4, 2004

Hi

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SELECT * FROM ACCOUNT_REVIEW AR INNER JOIN
QUESTION_RESPONSE ON
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Hey everyone, I'm looking for a way to insert a count of a set of records into a table and then read that table and produce an XML file from that dataset.  The problem that I'm coming across is that when you do this type of query you have to specify one of the values from the table and then get a count for the number of records of that particular range of values.
The table that I am trying to get the data from will look something like this:
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Mar 8, 2004

I am trying to write an update statement based on an aggregate and it will not let me. Please find below the SQL.

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join abtimesummary b
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Apr 11, 2008

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<PRE>
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1234ABC A1
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9999ABC D1
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7777ABC A1
7777ABC C2
</PRE>

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Something Like:

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Code:
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Hello,

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The enc_timestamp is my date field.

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Hi guys,

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Jan 15, 2014

I am trying to use the following syntax and it is saying I can't use an aggregate function in a subquery. I can't use a GROUP BY in this case because if another field in the project table (such as status) is different, that project will show up twice.So in this case I am using this syntax to show the most recent quote within the project.

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Mar 18, 2006

Hi,
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May 6, 2006

I have made an aggregate function sql (as far as I understand).I need the sum but also the features column. But I can only read one column in the select.Here is the select trying to read two columns:

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here is the error:


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...anyone?

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Jun 30, 2007

Hi,

I've the following query:
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Group By F_Mode having milestone = 'SDS'

Sample Data:
F_Mode Issue_Count milestone
Fail1 5 SDS
Fail2 6 SDS

If the above query is executed, the resultset is:
Fail1 5 5 SDS
Fail2 6 6 SDS

Question: I'm not getting the SUM of Issue_Count. I agree that I'm using F_Mode as Group By and hence the result. But if I use milestone as Group By I won't get all the F_Mode in the result set.

I'm looking for a result like this:

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Thanks in advance,
SD

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Mar 21, 2008

SELECT [LastNameOfProfessor], avg(ProfessorRating) AS [Average] FROM [Table1] GROUP BY [LastNameOfProfessor]

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Nov 20, 2007

Problem 1:


Suppose I have a table

T( A, B, C, D, E )

I want to retrieve D, E for all rows which have minimum C when we do a group by on A and B. The query would look something like

SELECT D, E FROM T HAVING C = MIN( C ) GROUP BY A, B

Unfortunately, SQL server gives the error that D, E are not in a group by clause. One way is:

SELECT T.D, T.E
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T,
(
SELECT A, B, MIN( C ) AS F FROM T GROUP BY A, B
) AS T1
WHERE
T.A = T1.A AND
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What I want to know is whether there is a simpler way of doing this or not, kinda like the first illegal query.

Problem 2:

Suppose in the query

SELECT A, B, CASE WHEN C = 'A' THEN 1
WHEN C = 'B' THEN 2 END ORDER

I want to do MIN( ORDER ). The simple way would be

SELECT A, B, MIN( CASE WHEN C = 'A' THEN 1
WHEN C = 'B'' THEN 2 END )

But this gives an error. There is a way:

SELECT T.A, T.B, MIN( T.C ) FROM
(
SELECT A, B, CASE WHEN C = 'A' THEN 1
WHEN C = 'B'' THEN 2 END AS C
) AS T


but I want to know if there is a simpler way to do this (kinda like the first illegal query).

Regards,

id

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Apr 4, 2006

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eg

Table MemberDetail

MemberID WorkingDay

M1234 12

M1234 10

M1555 02

M1555 15







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Mar 2, 2008

I don't know if this is the right forum.

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ID - Col1 - Col2
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=====================
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1 - No - No
2 - No - No
2 - Yes - No
2 - Yes - Yes

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ID - Col1 - Col2
=====================
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2 - Yes - Yes

Is there an aggregate function for this in T-SQL? If not, how can I solve this?

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May 20, 2008

i have on table temp and it has column name fhID, now that column name and table name comes as parameter in stored procedure from c#.
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@column nvarchar(50)
@tbname nvarchar(50) 
            -- both are parameter comes from c#
decalre @maxid
select   @maxid=max(@column) from @tbname
          rather than prints the maximum values of "fhid" it prints column name itself.
now i how can i achive actual working of max function using parameter.
is there any other way to pass parameter in aggregate function or it is not allowed to pass.???
plz help me,
thanks
vishal parekh
          'fhid'
now how can

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Oct 17, 2006

I currently have the following query:

Quote:
select distinct a.memberFirstName, a.memberLastName, c.ChapterName, d.divisionName,
count(f.memberID) as numMembers
FROM Members a
INNER JOIN groupLeaders b
ON a.memberID = b.memberID
Inner JOIN Chapters c
ON c.chapterID = b.chapterID
LEFT JOIN divisions d
ON d.divisionID = c.divisionID
Inner Join groupsOfEight e
ON e.groupLeaderID = b.groupLeaderID
Inner Join groupOfEightMembers f
ON f.groupOfEightID = e.groupOfEightID
Group BY a.memberFirstName, a.memberLastName, c.chapterName, d.divisionName
Order By divisionName, numMembers

This query returns me the names of all of my Group Leaders, their Chapter, Division, and the number of members they have selected to be in their group.

Now, instead of the number of members in each Group I would like to know the total number of Members in each division to appear in the count.

[NOTE: All chapters have a division, linked by a divisionID in the "Chapters" table -- I need to get a count of all the "ChapterMembers" [chaptermembers is a table also] that are in the Division.

Here is the query I started to build before I ran into serious trouble:

Quote:
select a.divisionName, count('c.memberID') as numMembers
From Divisions a
Inner Join Chapters b
On b.divisionID = a.divisionID
Inner Join chapterMembers c
ON c.chapterID = b.chapterID
Left Join Members d
ON d.memberID = c.memberID
LEFT Join groupLeaders e
On e.memberID = d.memberID
Group By a.divisionName

This particular query returns only the DivisonName and the number of Members in the division as expected. However, when I try to select the information for the GroupLeader (first & last name) I am forced to add memberFirstName to the Group By statement which changes my Count...

Have I done an okay job of explaining the problem?

The goal here is to select all of the GroupLeaders first & last name, their chapterName, divisionName, and the total number of members in the division.

Thanks for any advice!

Zoop

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Here is the example:

I have two tables. One has Projects with the total amt of hours worked on the project itself. The other is an Employee_Projects table with individual rows of hrs per employee worked on the above referenced projects.

I need to SUM all the hrs from the Employee_Projects table and GROUP BY project number, then UPDATE the Projects table with the sum of hours where the Project Number from table A matches the Project Number from table B.

Of course, you cant use an aggregate function in an UPDATE clause, so what would be the easiest way to do this??

Any help would be much appreciated.

-C

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UPDATE CIRSUB_M
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(SELECT CAST(SUM(COPIES) AS VARCHAR(5)) FROM CIRSUB_M
WHERE BIL_ORG = '02' AND CRC_STS IN ('R','P','Q','T')
GROUP BY PUB_CDE, DNR_NBR)
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Example

PUB_CDE DNR_NBR COPIES TRM_DMO
THN 000000092637 100 A
THN 000000092637 200 B
THN 000000082455 100 A
THN 000000082455 200 B
THN 000000051779 100 A

Updated
THN 000000092637 100 A300
THN 000000092637 200 B300
THN 000000082455 100 A300
THN 000000082455 200 B300
THN 000000051779 100 A100

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I have cursor that loops through a table (the table only contains columnnames of several tables) the cursor has a variable declared @columnname. when i run the following it works fine

select @columnname,0,0,0,0
from temp_prt

it gives me my expected output

mtr_5120,0,0,0,0
mtr_3247,0,0,0,0
mtr_5160,0,0,0,0
etc........

now i want to get the min of each column name like so

select @columnname,min(mtr_5120),0,0,0
from temp_prt ------> this works for min(mtr_5120)
mtr_5120,34.5,0,0,0

now I want to generalize so I try to pass in the variable name and I do the following

select @columnname,min(@columnname),0,0,0
from temp_prt
(the columname (@columnname) exists in the table temp_prt)

but now i get an error
Msg 8114, Level 16, State 5, Line 29

Error converting data type varchar to decimal.how can i pass the colunmame into the min and max functions or is that at all ppossible. I also tried the following:

select @columnname,'min(' + @columnname + ')',0,0,0
from temp_prt

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Msg 8114, Level 16, State 5, Line 29
Error converting data type varchar to decimal.

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from OeOrders Oe
iNNER JOIN OeOrders2 AS oe2
ON Oe.OrderID = oe2.OrderID
where
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AND Oe.[Status] NOT IN ( 'CANCEL', 'CANC', 'CNC', 'UNVER', 'UNV' )
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