Finding Primary Key Value(s) Having Duplicate Row Information

Feb 23, 2001

Hi,

I am putting my problem in an example as I Feel it would be clear.

Assume my table PEOPLE is having 4 columns with 6 rows, the SlNo being primary key.
SlNo Name LastName birthdate
1 A B x --
2 C B x |-- 1 pair (A, B, x)
3 D E y --|------------
4 A E y | |
5 A B x __| |-- 2'nd pair (D, E, y)
6 D E y ---------------
In this scenario, I need to find SlNo values having similar values in other columns. The o/p for above must be:
1
5
0
3
6
0 (0 needs to include in output for distinction in the sets)

(a)IS THIS POSSIBLE TO DO IN ONE SELECT STATEMET? and HOW?
(b)If I create another temp table tempPEOPLE and select distinct row information of the 2'nd, 3'rd and 4'th columns from the PEOPLE table and
then selecting SlNo's where the information match, I am able to get o/p
1
5
3
6
without 0...and I cannot makeout the distinct sets in this.
HOW DO I FIND THE DISTINCTION IN SETS?

Reshma.

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Help Me In Finding Information, Please

Sep 6, 2007

How can i use a decieving phrase for using in a SQL server that work with number?

i mean for finding the information you have to enter a number... is there any way to enter something else and recieving information?

plz email me if it is possible... it's bbk_agp AT Yahoo DOT com

beforhand thanks very much

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Dec 26, 2005

Hi,
Imagine that I have a select something like this
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"Maria" would be what the user what to find. But for example in spanish we use í, ó, ú, ü... The same happens in french, german...
The user want to find Maria and does not care if another user (or himself) has inserted the client as Maria, María, Marïa or whatever.
Of course one solution is putting in the DB only the simple characters (a,e,i,o,u) and look for  these, replacing the "strange" chars  in the application to the "normal" ones. But if we want to be professionals we would need to insert in the DB the name in their original spelling (the image is the most important!)
Any idea, help or reference?
Thx in advance and happy new year.
David

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Oct 29, 2007

Hello,

I searched for all the posts which covered my question - but none were close enough to answer what i'm trying to do. Basically, the scenario is thus;

Table1 contains values for UserID, Account code, and Date.

My query (below) is trying to find all the accounts assigned to a particular user ID, but also those duplicate account codes which belong to a second user ID. The date column would be appended to the result set.

The query I'm using is as follows;

select acccountcode, userid, date from dbo.table1
where exists (select accountcode from dbo.table1 where accountcode = table1.accountcode
group by accountcode
having count(*) > 1)
and userid = 'x-x-x'
order by accountcode

What I think this produces is a list of all files where a duplicate exists, but of course it leaves out the 2nd UserID...which is crucial.

Hopefully this makes sense. Any insight my fellow DBA's can share would be greatly appreciated!

Thanks,
D.

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Jan 16, 1999

I have a problem with a 3rd party piece of software. Doesn't matter which, really. The problem lies
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Optimizing This Duplicate Finding Query

Sep 11, 2005

Hi everyone!

I am parsing a database structed like the following for duplicates.


Code:


keywordnegativeexactbroadphrase
Alpha0.120.36
Alpha0.120.37
Alpha0.120.37
Alpha0.220.37
Alpha0.120.37
Alpha0.120.37
Alpha0.120.37
Beta0.43212
Charlie0.240.31
Delta0.72212
Epsilon410.31
Foxtrot250.22
Grape420.215
Hotel 230.13
Indigo0.3721
Juliet21220.14
Kilroy0.3110.15
Lemon0.2201
Mario0.2502
Nugget0.130.72
Oprah2141
Polo01225
Polo01224
Polo01225
Q-Bert31442
Romeo12100.1
Salty2200.1
Tommy10.30.132.4
Uri10.30.132
Uri20.20.132
Uri20.30.122
Uri20.30.131
Vamprie0.120.1315
Wilco0.210.21
X-Ray00.220
Yeti020.20
Zebra1310



The duplicates that this thread relates to are the kind with duplicate "keyword" entries AND dissimilar field entries; i.e. :


Code:


keyword negative exact broad Phrase
Polo 0 122 4
Polo 0 122 5



I've come up with an SQL query that seems to return all of these duplicates (save one of each type- the 'real', unique entry). However I think I made the query very inefficient. My SQL is very bad; this query will be running over tens of thousands of rows, so if it can be at all optimized I would greatly appreciate your help!

What I have so far is:



Code:


string query1 = "SELECT * FROM TableName" +
" WHERE EXISTS (SELECT NULL FROM TableName" + " b" +
" WHERE b.[keyword]= " + "TableName"+ ".[keyword]" +
" AND b.[negative]<> " + "TableName"+ ".[negative]" +
" ORb.[keyword]= " + "TableName"+ ".[keyword]" +
" ANDb.[exact]<> " + "TableName"+ ".[exact]" +
" ORb.[keyword] = " + "TableName"+ ".[keyword]" +
" ANDb.[broad]<> " + "TableName"+ ".[broad]" +
" ORb.[keyword]= " +"TableName"+ ".[keyword]" +
" ANDb.[phrase]<> "+"TableName"+ ".[phrase]" +
" GROUP BY b.[keyword], b.[broad], b.[exact]" +
" HAVING Count(b.[keyword]) BETWEEN 2 AND 50000)" ;



the algoritm seems to check every column of every row in order to determine a duplicate. Seems straightforward to me, but alas slow...

Is there a better/faster way I can do this? Thanks for you help!

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May 29, 2007

Hi

i tried the following query and able to get the list of foreign keys with column names as well as referred tables and referenced column

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from sys.foreign_key_columns inner join sys.columns on (parent_column_id = column_id and parent_object_id=object_id)
Order by object_name(parent_object_id) asc

but i am not able to get the fks created more than once on same column refering to same pk

Thanks in Advance

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Feb 8, 2007

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How could you query this:

ID fname lname
10001 Bill Jones
10002 Joe Smith
10003 Sue Jenkins
10004 John Sanders
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and get a result set of this:

ID fname lname
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Mar 17, 2006

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Aug 11, 2006

Hi All,
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The Problem?
 
Tables:
 
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I am trying to build a select statement that will

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Below you will find a temp table to create and try in your environment.

create table #Items
(
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[Code] ....

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Aug 7, 2007

Hope this is in the right thread, sorry if not!

I have run into a problem, i need to find out that column(s) in a table that makes the primary key.
I thought that this code did the trick.
***
DECLARE @c varchar(4000), @t varchar(128)
SET @c = ''
SET @t='contact_pmc_contact_relations'
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SELECT Substring(@c, 1, Datalength(@c) - 1)
***

This works in most of my cases. But i have encounterd tabels where this code doesn't work.
Here is a dump from one of the tabels where it doesn't work.
SELECT *
FROM sysindexkeys
WHERE (id = 933578364) <--id of the table
***
id indid colid keyno
933578364 1 1 1
933578364 1 2 2
933578364 2 1 1
933578364 3 2 1
933578364 4 3 1
933578364 5 4 1
933578364 6 5 1
933578364 7 6 1
933578364 8 7 1

Not sure if that dump made any sense, but i hope it did.
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So, anyone know how i could solve this problem?


Regards
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SELECT
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SELECT@sql_stmt = @sql_stmt + COLUMN_NAME + ','
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a sample data is here

pubid pub publ pubcode

1 a b ab
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Msg 2714, Level 16, State 4, Line 12

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CREATE TABLE [testing].[dbo].[users2] (

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CONSTRAINT [UserID] PRIMARY KEY (UserID)

)

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DROP TABLE [testing].[dbo].[users3]

CREATE TABLE [testing].[dbo].[users3] (

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[Name] nvarchar(25) NULL,

CONSTRAINT [UserID] PRIMARY KEY (UserID)

)



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