Duplicates And The GROUP BY Clause

Nov 12, 2003

I am making a website where users go to a page that lists every Program in their area. The first time the page loads they see all the Programs, then then can filter it down with drop down lists. I have everything working except for the Category because some programs have more than one category. The select is working good but I get duplicates.





Here it is:





SELECT DISTINCT


p.ProgramID,


p.ProgramName,


p.ProgramCity,


p.ProgramState,


p.ProgramCountyID,


p.ProgramHours,


p.ProgramContactName,


p.ProgramPhone,


p.ProgramEmail,


p.ProgramGrades,


p.ProgramTransportation,


pc.ProgramID,


pc.CategoryID





FROM


Programs p,


ProgramCategories pc





WHERE


p.ProgramCountyID IS NOT NULL AND


p.ProgramCity IS NOT NULL AND


p.ProgramHours IS NOT NULL AND


p.ProgramGrades IS NOT NULL AND


p.ProgramTransportation IS NOT NULL AND


p.ProgramID = pc.ProgramID AND


pc.CategoryID IS NOT NULL








GROUP BY


p.ProgramID





ORDER BY


p.ProgramName ASC











When I have just p.ProgramID in the GROUP BY clause, I get the error:





"column name" is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.





But when I put all the column names in the GROUP BY clause, I still get duplicates. What can I do to stop this. When the user selects a category the pc.CategoryID IS NOT NULL changes to pc.CategoryID = 3 (or whatever they select) and everything works the way its supposed to. I just want each individual program to show only once when the page first loads.





Thanks for your time


Dave

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I have an existing stored table with duplicate rows that I want to delete.Using a cte gives me

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This is what I want to do basically. But this is only deleting in my CTE, is there anyway I can update my existing table "TableName" with this, without using temp tables?

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A L S Travel.....AndrewScott.....16.....10
A L S Travel.....KeathK.....8.....10
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A L S Travel.....KeathK.....4.....10
A L S Travel.....PaulHammond.....4.....7
A L S Travel.....YanFaczynski.....8.....7
A L S Travel.....YanFaczynski.....4.....10
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A L S Travel.....YanFaczynski.....12.....3

Please save me... Someone...

TIA,
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===============
JSC0624
===============

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-------------------------------------------------------
rec_id
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ProjectType
StartDate
CompletionDate
ExtendedDate


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---------------------------------------------------------
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EmpNo
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Position
Department
EmployeeType


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rec_id
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Approved Date
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DCILRefNo
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ApprovedContract


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rec_id
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AssignContract
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EmpProjectEndDate
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Regards.


MATEEN

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-> score = 10 - 4 = 6
- UserA have submitted problemID 2
- > score of problemID 2 is 30
- > first time accepted. No penalty will be counted
- > score = 30

so final score for UserA = 30 + 6 = 36

Similar for UserB.

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Apr 21, 2008

Hi All,

I've the following view in my DB and I need to modify it in such a way that it should be grouped by 'categoryId' and display the count of rows that come under each categoryId. In brief, I need to use 'Group By' clause and 'Count/SUM' aggregate function.

Here is my view.
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[MessageCategoryView]') and OBJECTPROPERTY(id, N'IsView') = 1)
drop view [dbo].[MessageCategoryView]
GO

CREATE VIEW MessageCategoryView AS
SELECT
m.subjectSUBJECT,
m.senderidSENDERID,
m.createdateCREATEDATE,
m.completedateCOMPLETEDATE,
m.format MSGFORMAT,
m.isconfidentialISCONFIDENTIAL,
m.queueidQUEUEID,
mc.messageid MESSAGEID,
mc.categoryid CATEGORYID,
cv.label CATEGORYLABEL,
cv.hierarchystring HIERARCHYSTRING,
cv.hotkeys HOTKEYS

FROM
kc_message m
JOIN kc_messagecategory mc on m.messageid = mc.messageid
JOIN CategoryView cv on mc.categoryid = cv.categoryid
WHERE
mc.type not in (3,5)

Can anyone please help me out in resolving this.

Thanks in advance,
Sujatha

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Jun 21, 2008

Hello!
suppose i have two tables, table1 columns(empcode (pk), empDept) and table2 columns(empcode (FK),Date,Attendance) i wanted to write a query to get output like
DEPT ABSENT
-----------------------------
Accounts 10
EDP Section 0 **
Admin 2
Stationary 0**

if no employee is absent in the department it has to display Zero

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Nov 7, 2008

I have a table which stores datewise Transactions of different items. Fields and sample data is

RecID, ItemID, Date, Received, Issued, Stock
1, 5, 11-03-08, 10, 10
2, 5, 11-05-08, 3, 7*
3, 8, 11-15-08, 25, 25
4, 8, 11-16-08, 8, 33
5, 8, 11-18-08, 6, 27*

Now i want to select last row for each item (indicated by *). Is it possible in one single statement.

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