Self-Join Duplicates - Help!
Oct 22, 2004
Can some kind person out there please help me, I've been stuck on this for daaaa-y-s.
I have a database that allows users to search for pdf's of technical drawings.
Basically I have one huge table with multiple columns, which the user can only search on any combination of one of these two columns
"drawing_series" eg 0100, 0046, 1000
"drawing_number" eg 0076000, 0000123, 0000004
There is also a Revision column(which the user can't see) that goes up by 1 each time a drawing has been modified and resubmitted to the database.
"revision" eg 01, 02, 03, ....... 99
So a search on 0046 series might pull back drawings
0046-0010000-01
0046-0010000-02
0046-0010000-03
0046-0076000-01
0046-0076888-01
0046-0076888-02
The problem is that I only want drawings with the highest revisions returned eg
0046-0010000-03
0046-0076000-01
0046-0076888-02
The code below worked like a charm in the test stages pulling back a few hundred records but now that i've uploaded 10's of thousands of records to the DB the whole lot dies if the search result pulls back more than a few thousand records.
SELECT * FROM dbo.Drawing_Database
where dbo.Drawing_Database.revision=(select max(revision) from dbo.Drawing_Database self where self.drawing_series + self.drawing_number = dbo.Drawing_Database.drawing_series + dbo.Drawing_Database.drawing_number) Drawing_Series like '0046' order by Drawing_Series, Drawing_Number
There must be a simpler way of doing this as i can pull out duplicate series + numbers using " HAVING Count(*)>1" but dont know where to go from there.
Help!
TheMaster
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Jul 23, 2005
Hi All,I am banging my head against a brick wall over this problem, so anyhelp in the correct direction would be muchly appreciated!I have 2 SQL (MS SQL) server tables, realated to -a Property,Sales of that property.A property is uniquely identifed by its Roll, valuation Number andSuffix (not my choosing).Each property can only appear in the property table once, and can onlyhave 1 assessment - but can have multiple sales (ie - over theannalysis period the same property can sell more than once).There is approximatly 19000 properties relating to about 8000 sales.When creating a query to list property and most recent sale (if thereis any) I end up with somthing like this -SELECT [roll], [valuation], [suffix], [sale date]FROM [property]LEFT JOIN [sales]ON[property].[roll] = [sales].[roll] AND[property].[valuation] = [sales].[valuation] AND[property].[suffix] = [sales].[suffix](table names simplifed).I get rows where there is all the property data there, but sale date(etc.) is null (as I would expect from a left join), but the problem is- when there is more than 1 sale for a property it pulls out anothercopy of the property data.In short, because of that I come out with more records than properties.ie -roll valuation suffix sale date12 456789 A 1/1/200312 788988 B NULL14 123456 A 1/1/200314 123456 A 1/1/2004(Note - the last two are the same property).I didn't know that the left join can affect both joined tables!Is there any way around this? Any suggestions/hints in the rightdirection would be very much appreciated!THANKS!
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Jul 20, 2005
When I run the attached query, I get duplicates when there is one tomany relationship between tableA and tableB. The query, tested schemaand the result is attached. Sorry for the long post.Here is tested Schema and Data inserts.----------------------create table TestTblA(ShipDate datetime,CPEID varchar(30),phonenum char(14))gocreate table TestTblB(CPEID varchar(30),itemID varchar(30),active char(1))gocreate table TestTblC(itemID varchar(30),descr varchar(50))goinsert into TestTblA values (getdate(),'TWMUA','(408)-555-1211')insert into TestTblA values (getdate(),'TWMUA','(408)-555-1212')insert into TestTblA values (getdate(),'TWMUB','(408)-555-1211')insert into TestTblA values (getdate(),'TWMUB','(408)-555-1212')insert into TestTblA values (getdate(),'TWMUB','(408)-555-1213')insert into TestTblA values (getdate(),'TWMUC','(408)-555-1211')insert into TestTblA values (getdate(),'TWMUC','(408)-555-1212')insert into TestTblA values (getdate(),'TWMUC','(408)-555-1213')insert into TestTblA values (getdate(),'WWEXI','(408)-555-1211')insert into TestTblA values (getdate(),'WWEXI','(408)-555-1212')insert into TestTblA values (getdate(),'WWEXI','(408)-555-1211')insert into TestTblB values ('TWMUA','1000-000043-000','Y')insert into TestTblB values ('TWMUB','1000-100002-001','Y')insert into TestTblB values ('TWMUC','1000-200005-000','Y')insert into TestTblB values ('WWEXI','1000-401001-000','Y')insert into TestTblB values ('WWEXI','1000-401002-000','Y')insert into TestTblC values ('1000-000043-000','descrUA')insert into TestTblC values ('1000-100002-001','descrUB')insert into TestTblC values ('1000-200005-000','descrUC')insert into TestTblC values ('1000-401001-000','descrWW')insert into TestTblC values ('1000-401002-000','descrWW')----------------Query follows------------SELECT A.ShipDate,A.CPEId,ItemId = CASEWHEN A.CPEId = 'TWMUA' THEN 'New - Single User'WHEN A.CPEID = 'TWMUB' THEN 'New - Multi User'WHEN A.CPEID = 'TWMUC' THEN 'New - Triple User'When B.ITEMID is NULL THEN 'Unknown'When B.ITEMID = ' ' THEN 'Unknown'else B.ItemIdend,MODEL_NO = CaseWhen B.ITEMID = '1000-000043-000' Then rtrim(C.DESCR)When B.ITEMID = '1000-100002-001' Then rtrim(C.DESCR)When B.ITEMID = '1000-200005-000' Then rtrim(C.DESCR)WHEN A.CPEId = 'TWMUA' THEN '1100'WHEN A.CPEID = 'TWMUB' THEN '1100'WHEN A.CPEID = 'TWMUC' THEN '1000SW'When C.DESCR is NULL THEN 'Unknown'else 'Unknown'end ,COUNT(A.phonenum)FROM TestTblA A LEFT OUTER JOIN TestTblB B ON A.CPEID=B.CPEID andb.active = 'Y'LEFT OUTER JOIN TestTblC C ON B.ItemId=C.ITEMIDGROUP BY A.ShipDate,A.CPEId,B.ItemId,C.DESCRORDER BY A.ShipDate,A.CPEId,B.ItemId,C.DESCR---- end of queryThe result (modified the output format to fit a single line)ShipDate CPEId ItemId MODEL_NO Count2003-07-18 TWMUA New - Single User descrUA 22003-07-18 TWMUB New - Multi User descrUB 32003-07-18 TWMUC New - Triple User descrUC 32003-07-18 WWEXI 1000-401001-000 NULL 32003-07-18 WWEXI 1000-401002-000 NULL 3** The problem **I need WWEXI or any similar entry to only show once, it shows twice.Thanks for your help.
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Feb 6, 2014
Got a data set like this:
rowID PersonID Start Date End Date
===== ======== ========== ==========
001 6575556 19/06/2013 09/07/2013
001 6575556 20/06/2013 12/07/2013
001 6575556 21/06/2013 12/07/2013
002 9478522 15/05/2013 18/05/2013
003 7753423 22/08/2013 01/09/2013
Person can have more than one start/end date therefore I get multiple of the same row ID and Person ID when looking at their dates.
I want to display the most recent end date and associated data if there is more than one start/end date for the same person. I decided to do a self join with max Date aggregate using this against a main select from the Table1:
SELECT PersonID,
MAX([End Date]) AS MaxEndDate
FROM Table1
GROUP BY
PersonID
And join it this way:
select RowID,
PersonID,
[End Date]
FROM Table1 INNER JOIN (
SELECT PersonID,
MAX([End Date]) AS MaxEndDate
[Code] ....
When I run the sub-query on its own it gives me the single PersonID and Max Date but on self-joining with Table1 I still get the duplicates values.
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Sep 2, 2004
I really must be missing something here...
Trying to cross-update 2 tables.
Picture a checkbook reconcilliation without common check numbers. The checkbook has uniqueids and the bank has transaction ids but they are different. So the match is on date/payee and amount. So I wrote 2 checks to the same person, on the same day, for the same amount but forgot to enter one in the register.
when i run the update statement:
update b set b.bankid=c.myid
from checks c
join bank b on c.cdate=b.cdate
and c.payee=b.payee
and c.cost=b.cost
Both bank statement records would be updated to my one check record [can't happen]
Also: this will be running on a hundred thousand records per month with potential for duplication/ommission on either side.
What's a poor newbie missing??
I'm doing something similar on a lesser volume by running sequential statements through an ASP script but performance is poor. I know SQL can do this, just not how to approach it.
Thanks for any guidance
Dale
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Jun 8, 2015
I am doing some audit and i have below query, how can i get rid of duplicates from the below query any T SQL to get rid of duplicates...
I am using SP_Who2 and sql server Audit for auditing all data happening on sql server databases and dumping them to tables Audit_DBAudit abd Audit_sp_who2 and from then i am trying to get data which is not repeating/duplicate ...
SELECT
A.ProgramName
,a.HostName,[Server_principal_name],[Server_instance_name],[Database_name],[Object_name],F.Statement
FROM Audit_DBAudit as F
Join [Audit_sp_who2] AS a
on LTRIM(RTRIM(F.server_principal_name))=LTRIM(RTRIM(A.Login))
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Aug 12, 2014
join three tables and wont be duplicate records.
I have tried and attached the computed results and also expecting results.
IF OBJECT_ID('tempdb..#tmpExam1')IS NOT NULL DROP TABLE #tmpExam1
IF OBJECT_ID('tempdb..#tmpExam2')IS NOT NULL DROP TABLE #tmpExam2
IF OBJECT_ID('tempdb..#tmpExam3')IS NOT NULL DROP TABLE #tmpExam3
[Code]....
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Mar 9, 2015
I have this statement:
SELECT top 100 P.LastName ,
P.FirstName,
P.MiddleName,
P.PractitionerTypeID,
P.SuffixID,
A.Linenumber1,
A.LineNumber2,
Z.City,
[code]....
Seems like no matter which join type I choose i still get duplicates.
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Aug 3, 2006
I am writing a script to create a audit trigger on any table. I am getting duplicate rows inserted into my audit table, only for the primary key columns. Anybody see why?
Right now I am debugging an Insert, so I think you can ignore the "U" update part of the Where clause.
....starts with other code to determine columns and primary key fields for selected table....
--get number of columns
select
@rowId = min(RowId),
@MaxRowId = max(RowId)
from #tblFieldNames
-- Loop through fields and build Sql string
while @RowId <= @MaxRowId
BEGIN
SELECT @fieldname = colName FROM #tblFieldNames WHERE RowId = @RowId
SELECT @sql = 'insert tblAuditAdmin (TableAltered, [Action], FieldName, OldValue, NewValue, UpdateDate, UpdateNumber, UserName)'
SELECT @sql = @sql + ' select distinct''' + @TableName + ''''
SELECT @sql = @sql + ',''' + @TriggerType + ''''
SELECT @sql = @sql + ',''' + @fieldname + ''''
SELECT @sql = @sql + ',convert(varchar(1000),d.' + @fieldname + ')'
SELECT @sql = @sql + ',convert(varchar(1000),i.' + @fieldname + ')'
SELECT @sql = @sql + ',''' + @UpdateDate + ''''
SELECT @sql = @sql + ', 1'
SELECT @sql = @sql + ',''' + @UserName + ''''
SELECT @sql = @sql + ' FROM #ins i FULL OUTER JOIN #del d'
SELECT @sql = @sql + @pkJoinClause
SELECT @sql = @sql + ' WHERE (''' + @TriggerType + ''' = ''I'')'
SELECT @sql = @sql + ' OR (''' + @TriggerType + ''' = ''D'')'
SELECT @sql = @sql + ' OR (''' + @TriggerType + ''' = ''U'' AND '
SELECT @sql = @sql + '((i.' + @fieldname + ' <> d.' + @fieldname + ')'
SELECT @sql = @sql + ' OR (''' + @fieldname + ''' in (Select colName from #primaryKeyFields))'
SELECT @sql = @sql + ' OR (i.' + @fieldname + ' IS NULL AND d.' + @fieldname + ' is NOT null)'
SELECT @sql = @sql + ' OR (i.' + @fieldname + ' IS NOT NULL AND d.' + @fieldname + ' is null)))'
EXEC (@sql)
set @RowId = @RowId + 1
END
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Sep 9, 2004
Hello All,
We all were new at one point.... any help is appreciated.
Objective:
Combining two 49,000 row tables and remove records where there is only 1 column difference. (keeping the specified column value removing the one with a blank.)
Reason:
I have 2 people going through a list, coding a specific column with a single letter value. They both have different progress on each sheet. Hence I am trying to UNION them and have a result of their combined efforts without duplicates.
My progress/where I'm stuck:
Here is my first query/union:
SELECT * FROM [Eds table]
UNION SELECT * FROM [Vickis table];
As shown above, I have unioned these 2 tables and my results removed th obvious whole record duplicates, but since 1 column is different on these, a union without criteria considers them unique.....
an example of duplicates that I must remove are as follows:
142301 - Product 5000 - 150# - S (Keep)
142031 - Product 5000 - 150# - "" <--- Blank (Remove)
I am trying to run another query on my first query results so I don't mess my first query up. Here it is:
SELECT DISTINCT [Prod #], [Prod Name], [Prod Description], [Product Type]
FROM [Combined Tables]
WHERE [Product Type]<>" ";
Please Help! Thank you in advance.
--------------------
5 minutes away from pulling my last one!
BaldNAskewed
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Oct 22, 2014
I have a table with 22 million Business records. I can see that there are duplicates when I group by BusinessName and Address and Phone. I'd like to place only the duplicates into a table, with a ranking, oldest business key gets a ranking of 1.
As a bonus I'd like each group to have a distinct group name (although not necessary, just want to know how to do this)
Later after I run more verifications to make sure these are not referenced elsewhere I'll delete everything with a matchRank > 1 out of the main Business table.
DROP TABLE [dbo].[TestBusiness];
GO
CREATE TABLE [dbo].[TestBusiness](
[Business_pk] INT IDENTITY(1,1) NOT NULL,
[BusinessName] VARCHAR (200) NOT NULL,
[Address] VARCHAR(MAX) NOT NULL,
[code]....
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Jan 26, 2015
Is there a query or a way to convert duplicates value in a column to non duplicates.
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Apr 30, 2008
Hello
Can any one tell me the difference between Cross Join, inner join and outer join in laymans language
by just taking examples of two tables such as Customers and Customer Addresses
Thank You
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May 22, 2015
I have two xml source and i need only left restricted data.
how can i perform left restricted join?
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Oct 8, 2015
I was writing a query using both left outer join and inner join. And the query was ....
SELECT
S.companyname AS supplier, S.country,P.productid, P.productname, P.unitprice,C.categoryname
FROM
Production.Suppliers AS S LEFT OUTER JOIN
(Production.Products AS P
INNER JOIN Production.Categories AS C
[code]....
However ,the result that i got was correct.But when i did the same query using the left outer join in both the cases
i.e..
SELECT
S.companyname AS supplier, S.country,P.productid, P.productname, P.unitprice,C.categoryname
FROM
Production.Suppliers AS S LEFT OUTER JOIN
(Production.Products AS P
LEFT OUTER JOIN Production.Categories AS C
ON C.categoryid = P.categoryid)
ON
S.supplierid = P.supplierid
WHERE
S.country = N'Japan';
The result i got was same,i.e
supplier country productid productname unitprice categorynameSupplier QOVFD Japan 9 Product AOZBW 97.00 Meat/PoultrySupplier QOVFD Japan 10 Product YHXGE 31.00 SeafoodSupplier QOVFD Japan 74 Product BKAZJ 10.00 ProduceSupplier QWUSF Japan 13 Product POXFU 6.00 SeafoodSupplier QWUSF Japan 14 Product PWCJB 23.25 ProduceSupplier QWUSF Japan 15 Product KSZOI 15.50 CondimentsSupplier XYZ Japan NULL NULL NULL NULLSupplier XYZ Japan NULL NULL NULL NULL
and this time also i got the same result.My question is that is there any specific reason to use inner join when join the third table and not the left outer join.
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Dec 23, 2014
I have two select statements, in between select statement taking UNION ALL . I need to avoid the error
Warning: The join order has been enforced because a local join hint is used.
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Aug 10, 2007
Scenario:
OLEDB source 1
SELECT ...
,[MANUAL DCD ID] <-- this column set to sort order = 1
...
FROM [dbo].[XLSDCI] ORDER BY [MANUAL DCD ID] ASC
OLEDB source 2
SELECT ...
,[Bo Tkt Num] <-- this column set to sort order = 1
...
FROM ....[dbo].[FFFenics] ORDER BY [Bo Tkt Num] ASC
These two tasks are followed immediately by a MERGE JOIN
All columns in source1 are ticked, all column in source2 are ticked, join key is shown above.
join type is left outer join (source 1 -> source 2)
result of source1 (..dcd column)
...
4-400-8000119
4-400-8000120
4-400-8000121
4-400-8000122 <--row not joining
4-400-8000123
4-400-8000124
...
result of source2 (..tkt num column)
...
4-400-1000118
4-400-1000119
4-400-1000120
4-400-1000121
4-400-1000122 <--row not joining
4-400-1000123
4-400-1000124
4-400-1000125
...
All other rows are joining as expected.
Why is it failing for this one row?
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Apr 14, 2015
I'm having trouble with a multi-table JOIN statement with more than one JOIN statement.
For each order, I need to return the following: CarsID, CarModelName, MakeID, OrderDate, ProductName, Total ordered the Car Category.
The carid (primary key) and carmodelname belong to the Cars table.
The makeid and orderdate belong to the OrderDetails table.
The productname and carcategory belong to the Product table.
The number of rows returned should be the same as the number of rows in OrderDetails.
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Aug 9, 2013
Why would I use a left join instead of a inner join when the columns entered within the SELECT command determine what is displayed from the query results?
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Jun 5, 2006
I have a merge join (full outer join) task in a data flow. The left input comes from a flat file source and then a script transformation which does some custom grouping. The right input comes from an oledb source. The script transformation output is asynchronous (SynchronousInputID=0). The left input has many more rows (200,000+) than the right input (2,500). I run it from VS 2005 by right-click/execute on the data flow task. The merge join remains yellow and the task never finishes. I do see a row count above the flat file destination that reaches a certain number and seems to get stuck there. When I test with a smaller file on the left it works OK. Any suggestions?
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Jul 25, 2007
I'm using SQL Server 2005.
A piece of software I wrote starting timing out on a query that left outer joins a table to a view. Both the table and view have approximately the same number of rows (about 170000).
The table has 2 very similar columns, one is a varchar(1) and another is varchar(100). Neither are included in any index and beyond the size difference, the columns have the same properties. One of the employees here uses the varchar(1) column (called miscsearch) to tag large sets of rows to perform some action on. In this case, he had set 9000 rows miscsearch value to "g". The query then should join the table and view for all rows where miscsearch is set to g in the table. This query takes at least 20 minutes to run (I stopped it at this point).
If I remove the "where" clause and join all rows in the two tables, the query completes in about 20 seconds. If set the varchar(100) column (called descrip) to "g" for the same rows set via miscsearch, the query completes in about 20 seconds.
If I force the join type to a hash join, the query completes using miscsearch in about 30 seconds.
So, this works:
SELECT di.File_No, prevPlacements, balance,'NOT PLACED' as status FROM Info di LEFT OUTER HASH JOIN View_PP pp ON di.ram_file_no = pp.file_no WHERE miscsearch = 'g' ORDER BY balance DESC
and this works:
SELECT di.File_No, prevPlacements, balance,'NOT PLACED' as status FROM Info di LEFT OUTER JOIN View_PP pp ON di.ram_file_no = pp.file_no WHERE descrip = 'g' ORDER BY balance DESC
But this does't:
SELECT di.File_No, prevPlacements, balance,'NOT PLACED' as status FROM Info di LEFT OUTER JOIN View_PP pp ON di.ram_file_no = pp.file_no WHERE miscsearch = 'g' ORDER BY balance DESC
What should I be looking for here to understand why this is happening?
Thanks,
john
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Mar 2, 2006
I need some help.
I have created a database that looks like the following:
FirstName Table link to Main Table.
I have created a Stored procedure that looks like this:
Create procedure dbo.StoredProcedure
(
@FirstName varchar(20)
)
Declare FirstNameID int
Insert Into Main Table
(
FirstName
)
Values
(
@FirstName
)
Select @FirstNameID = Scope_Identity()
How could I redesign this to check if a value exists and if it exists then simply use that value instead of creating a new duplicate value?
Thanks!!
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Jun 27, 2001
I have a dilema..... I have a databas eof about 60,000 users and i need to get rid of those users where there is a duplicate email address. I have written an asp utilty that works but is far too taxing on our little server and i thinkk itwill kill it. what it does is for each email address it compares it against all the others.... so for each address it checks against 60,000 other records 60,000 times.... you know what i mean. its pretty phucked.... i tested it on just one record and took about 5mins.
anyway ive been trying to do it in SQL with no luck
here is a simplified version of my dilema
*****
NAMEEMAILAGE
tomtom@mail23
tombomb tom@mail23
petepete@email23
davecool@mail21
stevesteve@mail17
marycool@mail89
thomas tom@mail13
richrich@mail65
richdick@mail65
tomtom@mail23
tomtom@mail23
so what i want to do is cut it down so there are no duplicate email addresses. I want the table looking like this:
*****
NAMEEMAILAGE
tomtom@mail23
petepete@email23
davecool@mail21
stevesteve@mail17
richrich@mail65
richdick@mail65
Can you think of a way to do this?
i tried the following but it gets rid of duplicates of other fields which is not what i want to do
CREATE table distinct_records
SELECT name, Email, Age
FROM duplicate_records
GROUP BY name, Email, Age;
any ideas guys?
thanks
tom.harrow@netpoll.net
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Nov 7, 2005
i've imported a number of spreadsheets into a database
the schema is
directoryid firstname, lastname, extension
703168 Andrew Lim 78094
703154 Joseph Egan 78888
704548 Andrew Lim 78094
I realized the spreadsheet had a large number of duplicates. How can i delete the duplicates ?
like deleting directoryid 703168 only.
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Nov 9, 2005
i'm trying to get duplicates out of the my database
SELECT COUNT(*) AS Amount,
Firstname,
surname,
Internalextension
FROM iac.dbo.sf_profil
GROUP BY FirstName, surname, internalextension
HAVING COUNT(*) > 1 order by firstname, surname
How do i alter the query just retrieve records which have firstname and lastname which are similar but different extension numbers ?
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May 8, 2008
Hi,
This is the query which shows me the duplicates
Some of the records have more than one records
I would like to know how to delete the extra records so that I will end up with one record per row.
select
Pricing_Source,
VaR_Identifier,
Price_Date,
PX_Last,
Count(*) as 'count'
from
tblPricesClean
group by
Pricing_Source,
VaR_Identifier,
Price_Date,
PX_Last
having count(*) > 1
order by
count desc
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Jun 13, 2008
Hi,
Is there a way to find duplicates in one field? For example my query has person_nbr and for each person_nbr on one day they could have used multiple payer_names. I want to be able to count each person_nbr one time but also I want to group by description(which is the name of the provider) and by payer name to see how many person's that the provider seen with each payer. My problem is that if the person had more than one payer they are counted twice. Is there some type of aggregate function to use the first payer in the list??
With PersonMIA (person_id,person_nbr,first_name,last_name,date_of_birth) as
(
select distinct person_id,person_nbr,first_name,last_name,date_of_birth from
(select count(*) as countenc,a.person_id,a.person_nbr,
a.first_name,a.last_name,
a.date_of_birth
from person a
join patient_encounter b on a.person_id = b.person_id
group by a.person_id,a.person_nbr,a.first_name,a.last_name,a.date_of_birth )tmp
where tmp.countenc <=1
)
select person_nbr,payer_name,first_name,last_name,description,year(create_timestamp),create_timestamp
from
(
select distinct c.description,tmp.person_id,tmp.person_nbr,tmp.first_name,
tmp.last_name,tmp.date_of_birth,d.payer_name,b.create_timestamp
from PersonMIA tmp
join person a on a.person_id = tmp.person_id
join patient_encounter b on a.person_id = b.person_id
join provider_mstr c on b.rendering_provider_id = c.provider_id
join person_payer d on tmp.person_id = d.person_id
where c.description = 'Leon MD, Enrique'
group by c.description,tmp.person_id,tmp.person_nbr,tmp.first_name,tmp.last_name,
tmp.date_of_birth,d.payer_name,b.create_timestamp
)tmp2
where year(create_timestamp) IN (2005,2006)
group by person_nbr,payer_name,first_name,last_name,description,create_timestamp
Thanks in Advance!
Sherri
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May 10, 2006
Hi,
I'll see if I can explain this clearly. The query below
selects rows from the "hdr_ctl_nbr_status" table if the value in the field "tcn" from that table is found in the table "temp_tcn". I want all fields from the "hdr_ctl_nbr_status" table to be selected BUT only one row. In other words for a tcn with a value "12345678" there are 10 rows returned from the hdr_ctl_nbr_status table, I want only 1. Is there a way I can use SELECT DISTINCT to do this ? I know this usually functions on one or more fields but I want the DISTINCT to be on tcn only BUT return all fields in the query.
Select h.*,'' from hdr_ctl_nbr_status as h WITH (NOLOCK)
where h.tcn in (select tcn from temp_tcn)
Thanks, sorry if this is too confusing. Jeff
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Mar 10, 2008
Hi, All,
I have two columns of int data in the a table, as my example data shows below.
I want my data returned to be something like those in #test3, but my question is this, how can I do it without using #test2 and #test3?
By the way, the business requirement doesn't care it's min/max or any ID when one side has duplicated values.
Thanks!
Use tempdb
Go
if object_ID ('#test') is not null drop table #test
create table #test (col1 int, col2 int)
insert into #test
Select 123, 222 union
Select 124, 222 union
Select 125, 222 union
Select 111, 223 union
Select 111, 224
if object_ID ('#test2') is not null drop table #test2
create table #test2 (col1 int, col2 int)
Insert into #test2
Select distinct col1, min(col2) from #test group by col1
if object_ID ('#test3') is not null drop table #test3
create table #test3 (col1 int, col2 int)
Insert into #test3
Select min(col1), col2 from #test2 group by col2
Select * from #test3
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Jul 28, 2005
I am attempting to execute the Stored Procedure at the foot of thismessage. The Stored Procedure runs correctly about 1550 times, butreceive the following error three times:Server: Msg 512, Level 16, State 1, Procedure BackFillNetworkHours,Line 68Subquery returned more than 1 value. This is not permitted when thesubquery follows =, !=, <, <= , >, >= or when the subquery is used asan expression.I've done some digging, and the error message is moderatelyself-explanatory.The problem is that there is no Line 68 in the Stored Procedure. It'sthe comment line:-- Need to find out how many hours the employee is scheduled etc.Also, there are no duplicate records in the Employee table nor theWeeklyProfile table. At least I assume so - if the following SQL todetect duplicates is correct!SELECT E.*FROMEmployee Ejoin(select EmployeeIDfromEmployeeGroup by EmployeeIDhaving count(*) > 1) as E2On(E.EmployeeID = E2.EmployeeID)SELECTW.*FROMWeekProfile Wjoin(SelectWeekProfileIDFROMWeekProfileGROUP BYEmployeeID, MondayHours, WeekProfileIDHAVING COUNT(*) > 1) AS W2ONW.WeekProfileID = W2.WeekProfileIDNOTE: In the second statement, I have tried for MondayHours thruFridayHours.Anyone got any ideas? The TableDefs are set up in this thread:<http://groups-beta.google.com/group/comp.databases.ms-sqlserver/browse_frm/thread/fff4ef21e9964ab8/f5ce136923ebffc3?q=teddysnips&rnum=1&hl=en#f5ce136923ebffc3>The Stored Procedure that causes the error is here:--************************************************** ***********CREATE PROCEDURE BackFillNetworkHoursASDECLARE @EmployeeID intDECLARE @TimesheetDate DateTimeDECLARE @NumMinutes intDECLARE @NetworkCode int-- Get the WorkID corresponding to Project Code 2002SELECT@NetworkCode = WorkIDFROM[Work]WHERE(WorkCode = '2002')-- Open a cursor on a SELECT for all Network Support Employees whereany single workday comprises fewer than 7.5 hoursDECLARE TooFewHours CURSOR FORSELECTEmployeeID,CONVERT(CHAR(8), Start, 112) AS TimesheetDate,SUM(NumMins) AS TotalMinsFROM(SELECTTI.EmployeeID,W.WorkCode,TI.Start AS Start,SUM(TI.DurationMins) AS NumMinsFROMTimesheetItem TI LEFT JOIN[Work] W ON TI.WorkID = W.WorkIDWHERE EXISTS(SELECT*FROMEmployee EWHERE((TI.EmployeeID = E.EmployeeID) AND(E.DepartmentID = 2)))GROUP BY TI.EmployeeID, TI.Start, W.WorkCode) AS xGROUP BYEmployeeID,CONVERT(char(8), Start, 112)HAVINGSUM(NumMins) < 450ORDER BYEmployeeID,CONVERT(CHAR(8), Start, 112)-- Get the EmployeeID, Date and Number of Minutes from the cursorOPEN TooFewHoursFETCH NEXT FROM TooFewHours INTO @EmployeeID, @TimesheetDate,@NumMinutesWHILE (@@FETCH_STATUS=0)BEGINDECLARE @NewWorkTime datetimeDECLARE @TimesheetString varchar(50)DECLARE @Duration intDECLARE @RequiredDuration int-- Set the correct date to 08:30 - by default the cast from thecursor's select statement is middaySET @TimesheetString = @TimesheetDate + ' 08:30'SET @NewWorkTime = CAST(@TimesheetString AS Datetime)-- Need to find out how many hours the employee is scheduled to workthat day.SET @RequiredDuration = CASE (DATEPART(dw, @NewWorkTime))WHEN 1 THEN(SELECT CAST((60 * SundayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 2 THEN(SELECT CAST((60 * MondayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 3 THEN(SELECT CAST((60 * TuesdayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 4 THEN(SELECT CAST((60 * WednesdayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 5 THEN(SELECT CAST((60 * ThursdayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 6 THEN(SELECT CAST((60 * FridayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))WHEN 7 THEN(SELECT CAST((60 * SaturdayHours) AS int) FROM WeekProfile WHERE(EmployeeID = @EmployeeID))ENDIF @NumMinutes < @RequiredDurationBEGIN-- Set the Start for the dummy work block to 08:30 + the number ofminutes the employee has already worked that daySET @NewWorkTime = DateAdd(minute, @NumMinutes, @NewWorkTime)-- Set the duration for the dummy work block to be required durationless the amount they've already workedSET @Duration = @RequiredDuration - @NumMinutes-- Now we have the correct data - insert into table.INSERT INTO TimesheetItem(EmployeeID,Start,DurationMins,WorkID)VALUES(@EmployeeID,@NewWorkTime,@Duration,@NetworkCode)ENDFETCH NEXT FROM TooFewHours INTO @EmployeeID, @TimesheetDate,@NumMinutesENDCLOSE TooFewHoursDEALLOCATE TooFewHoursGO--************************************************** ***********ThanksEdward
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Jul 20, 2005
I have a table, TEST_TABLE, with 6 columns (COL1, COL2, COL3, COL4,COL5, COL6).... I need to be able to select all columns/rows whereCOL3, COL4, and COL5 are unique....I have tried using DISTINCT and GROUP BY, but both will only allow meto access columns COL3, COL4, and COL5..... i need access to allcolumns...I just want to get rid of duplicate rows (duplicates ofCOL3, COL4, and COL5)...Thanks in advance.Joe
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Apr 23, 2008
Anyone know how to sum duplicated values so it only sums the distinct values?
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May 21, 2008
I have the following data.
CustID RoleID RelatID StartDate EndDate
20 RIX AGQ 5/05/2007 31/12/9999
20 RIX AGR 10/06/2007 31/12/9999
18 LRS AGQ 3/09/2004 31/12/9999
22 SRT AGP 5/03/2007 31/12/9999
22 SRT AGP 10/03/2007 31/12/9999
I wish to SELECT only the records that have duplicates. So, in the above data example, RoleID of LRS should be excluded.
How to do?
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