Select Single Row With Duplicate Value In Particular Field

Aug 20, 2007

Hi,

I have several row records in which

name email
--------- ---------
name1 abc@abc.com
name2 abc@abc.com
name3 abc@abc.com
name4 123@123.com
name6 123@123.com

How should I write the query which can return records with unique email address with any name attached?

The expected record set will be

name email
--------- ---------
<any> abc@abc.com
<any> 123@123.com

I was thinking to select the distinct of email and just stuck at here. I encountered this problem few times and still cannot solve it. Any help will great appreciated. Thanks in advance.

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Select Records That Do Not Duplicate On A Certain Field.

Mar 15, 2004

I am looking for some help in pulling certain people out of a table

This is the basic setup of my table


PK ID NAME MEETING
1 11111 Joe CLASS98
2 22222 Jane CLASS98
3 33333 Bob CLASS98
4 11111 Joe CLASS04
5 22222 Jane CLASS04
6 44444 Sally CLASS04

What I am wanting to do is Select only the people who attended CLASS98 but didn't attend CLASS04

I could just remove the CLASS04 people by sorting if I could just return the rows that do not duplicate the ID and meeting is either CLASS04 or CLASS98

Either way would get me to my goal.

Any help is GREATLY appreciated.

Thanks
Jimmyjoe

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Mar 25, 2008

I have a table like
TradeID ActionID
58096 3663
58096 3664
78901 2235
78901 2236

I want to select the only the TradeID with the highest ActionID

I tried using
select distinct tradeid,actionid
From
cct
Where ActionID = (SELECT MAX(ActionID)
FROM cct1
WHERE cct1.TradeID = cct.TradeID)
group by tradeid,actionid

but the result is not correct

please help

In god we trust,everything else we test.

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Sep 13, 2006

i just can't find a way to perform this Select Query in my ASP.Net page. I just want to find out the sales for a certain period[startDate - endDate] for each Region that will be selected in the checkbox. Table Sales Fields:       SalesID | RegionID | Date | Amount   This is how the interface looks like.Thank You.

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Oct 2, 2007

Hello Everyone:

I am using the Import/Export wizard to import data from an ODBC data source. This can only be done from a query to specify the data to transfer.

When I try to create the tables, for the query, I am getting the following error:




Msg 2714, Level 16, State 4, Line 12

There is already an object named 'UserID' in the database.

Msg 1750, Level 16, State 0, Line 12

Could not create constraint. See previous errors.


I have duplicated this error with the following script:


USE [testing]

IF OBJECT_ID ('[testing].[dbo].[users1]', 'U') IS NOT NULL

DROP TABLE [testing].[dbo].[users1]

CREATE TABLE [testing].[dbo].[users1] (

[UserID] bigint NOT NULL,

[Name] nvarchar(25) NULL,

CONSTRAINT [UserID] PRIMARY KEY (UserID)

)

IF OBJECT_ID ('[testing].[dbo].[users2]', 'U') IS NOT NULL

DROP TABLE [testing].[dbo].[users2]

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

[UserID] bigint NOT NULL,

[Name] nvarchar(25) NULL,

CONSTRAINT [UserID] PRIMARY KEY (UserID)

)

IF OBJECT_ID ('[testing].[dbo].[users3]', 'U') IS NOT NULL

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

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

[UserID] bigint NOT NULL,

[Name] nvarchar(25) NULL,

CONSTRAINT [UserID] PRIMARY KEY (UserID)

)



I have searched the "2714 duplicate error msg," but have found references to duplicate table names, rather than multiple field names or column name duplicate errors, within a database.

I think that the schema is only allowing a single UserID primary key.

How do I fix this?

TIA

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May 25, 2006

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May 14, 2004

I was wondering if anyone had a suggestion as to how to delete duplicate rows from a table. I have been doing this:

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FROM TempUsers2
UNION
SELECT * FROM TempUsers3

This way I end up with a total of four tables (the fourth table being the original Users table) and I was hoping that there was a way that I could do this all within the the original Users table and not have to create the three TempUsers tables.

Thanks,
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For example, this one column could contain something like this:

domainuser1;domainuser2;domainuser2;domainuser 3;

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Hi,
in table aspnet_membership of ASPNETDB.mdb file, i saw a kind of duplicate field like "LoweredEmail" containing the same value as field "Email" (also in table users field "LoweredUsername" ..).
I guess it's for containing email in lowercase, but why those fields?
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Feb 29, 2000

I have a field called RegId. RegId is of datatype NVARCHAR (20).

RegId
-----
12322
2122111
23423
etc
etc

I want to run a query to find out if there are duplicate entries in this field.

Any ideas on how I can achieve this?

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Jan 9, 2004

I deliberately intend to add some duplicates to one of my tables. For eg

Job User IsAdmin

JobID 235User ID 1
JobID 235User ID 5
JobID 235User ID 9
JobID 235User ID 5
JobID 235User ID 2
JobID 235User ID 9
JobID 235User ID 10
JobID 235User ID 1

I know its bad practice to do such a thing but there is a genuine reason. What I need to do is to be able to have a SQL statement that appends true to the IsAdmin field whenever it encounters the next UserID thats happens to be a duplicate. Hence the above would look like:

Job User IsAdmin

JobID 235User ID 1
JobID 235User ID 5
JobID 235User ID 9
JobID 235User ID 5 True
JobID 235User ID 2
JobID 235User ID 9 True
JobID 235User ID 10
JobID 235User ID 1 True

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Jul 10, 2007

Hi everybody couldn't get through with saving my data on the table with two primary keys...

my table structure is this

pubidintUnchecked (primary key)
pubchar(1)Unchecked
publchar(1)Unchecked
pubcodechar(2)Unchecked (primary key)

a sample data is here

pubid pub publ pubcode

1 a b ab
1 b b bb
2 a b ab
2 b b bb


when i save this table modifying the pubid and pubcode as primary keys the following error displays...

Unable to create index 'PK_PUBS3'.
CREATE UNIQUE INDEX terminated because a duplicate key was found for index ID 1. Most significant primary key is '51'.
Could not create constraint. See previous errors.
The statement has been terminated.


what i understand is that on the primary key duplicates are not allowed how could i allow it?

thanks

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Obviously, I'm a complete n00b at SQL.

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I'm trying to make the first field my primary key, so I need to fix these duplicate entry.

I could export to Excel and fix the problem that way, but in the interest of learning SQL I want to figure out how to do it properly.

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Jan 3, 2007

Hi All !

Below is a snippet of MS SQL inside ASP that retieves
Commodity info such as product names and related information and returns the results in an ASP Page. My problem is that with certain searches, elements returned in the synonym field repeat. For instance, on a correct search I get back green, red, blue, and yellow which is correct. On another similar search different commodity say for material, I get Plastic, Glass,Sand - Plastic, Glass,Sand - Plastic Glass Sand. I want to remove the repeating elements returned in this field. I hope this makes sense.

PS I tried to use distinct but with no luck I want just one of each in the example below.

Thanks in Advance!

Scott

==============================

SQL = ""
SQL = "SELECT B.CIMS_MSDS_NUM," & _
"A.COMMODITY_NUMBER, " & _
"B.CIMS_TRADE_NME," & _
"B.CIMS_MFR_NME," & _
"B.CIMS_MSDS_PREP_DTE," & _
"B.APVL_CDE," & _
"COALESCE(C.REGDMATLCD,'?') AS DOTREGD," & _
"COALESCE( D.CIMS_TRADE_SYNM,'NO SYNONYMS') AS SYNONYM, " & _
"A.MSDS_CMDTY_VERIF, " & _
"A.CATALOG_ID " & _
"FROM ( MATEQUIP.VMSDS_CMDTY A " & _
" RIGHT OUTER JOIN MATEQUIP.VCIMS_TRD_PROD_INF B " & _
" ON A.CIMS_MSDS_NUM = B.CIMS_MSDS_NUM " & _
" LEFT OUTER JOIN MATEQUIP.VDOT_TRADE_PROD C " & _
" ON A.CIMS_MSDS_NUM = C.MSDSNUM " & _
" LEFT OUTER JOIN MATEQUIP.VCIMS_TRD_PROD_SYN D " & _
" ON B.CIMS_MSDS_NUM = D.CIMS_MSDS_NUM) "

SQL1 = ""
SQL1 = SQL

SQL = SQL & "WHERE " & Where & " "
==================================

Here is a piece of the problem field, note repeating colors etc.

CCM-PAINTS & COATINGS (1/26/98)F65E36 ORANGE F65W1 GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEF65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEDISAPPROVED BY CCM-PAINTS & COATINGS (1/26/98)F65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65E36 ORANGE F65W1 GLOSS WHITEDISAPPROVED BY CCM-PAINTS & COATINGS (1/26/98)F65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65E36 ORANGE F65W1 GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65A1 WARM GRAY F65L6 TURQUOISEDISAPPROVED BY CCM-PAINTS

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Oct 22, 2007



my table structure is
id field1
1 i am from india
2 i am from usa
3 i am from delhi


So i want to remove common data from field1 , means after run the query table should be like

id field1
1 india
2 usa
3 delhi

thanks in advance
saumitra tamrakar

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Jan 3, 2007

Hi All,



Below is a snippet of MS SQL inside some VB that retieves
Commodity info such as product names and related information and returns the results in an ASP Page. My problem is that with certain searches, elements returned in the synonym field repeat. For instance, on a correct search I get green, red, blue, and yellow which is correct. On another similar search with different commodity say for material, I get Plastic, Glass,Sand - Plastic, Glass,Sand - Plastic, Glass, Sand. I want to remove the repeating elements returned in this field. IOW, I just need one set of Plastic, Glass and Sand. I hope this makes sense.


Below is the SQL and the results from the returned page.


PS I tried to use distinct but with no luck I want just one of each in the example below.

Thanks in Advance!

Scott

==============================

SQL = ""
SQL = "SELECT B.CIMS_MSDS_NUM," & _
"A.COMMODITY_NUMBER, " & _
"B.CIMS_TRADE_NME," & _
"B.CIMS_MFR_NME," & _
"B.CIMS_MSDS_PREP_DTE," & _
"B.APVL_CDE," & _
"COALESCE(C.REGDMATLCD,'?') AS DOTREGD," & _
"COALESCE( D.CIMS_TRADE_SYNM,'NO SYNONYMS') AS SYNONYM, " & _
"A.MSDS_CMDTY_VERIF, " & _
"A.CATALOG_ID " & _
"FROM ( MATEQUIP.VMSDS_CMDTY A " & _
" RIGHT OUTER JOIN MATEQUIP.VCIMS_TRD_PROD_INF B " & _
" ON A.CIMS_MSDS_NUM = B.CIMS_MSDS_NUM " & _
" LEFT OUTER JOIN MATEQUIP.VDOT_TRADE_PROD C " & _
" ON A.CIMS_MSDS_NUM = C.MSDSNUM " & _
" LEFT OUTER JOIN MATEQUIP.VCIMS_TRD_PROD_SYN D " & _
" ON B.CIMS_MSDS_NUM = D.CIMS_MSDS_NUM) "

SQL1 = ""
SQL1 = SQL

SQL = SQL & "WHERE " & Where & " "
==================================

Here is a piece of the problem field, note repeating colors etc.

CCM-PAINTS & COATINGS (1/26/98)F65E36 ORANGE F65W1 GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEF65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEDISAPPROVED BY CCM-PAINTS & COATINGS (1/26/98)F65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65E36 ORANGE F65W1 GLOSS WHITEDISAPPROVED BY CCM-PAINTS & COATINGS (1/26/98)F65A2 LIGHT GRAY F65L7 PALE BLUEF65A1 WARM GRAY F65L6 TURQUOISEF65B4 SEMI-GLOSS BLACK F65R1 VERMILIONF65B1 GLOSS BLACK F65N11 RICH BROWNF65A49 ASA #49 GRAY F65M1 MAROONF65A4 MACHINE TOOL GRAY F65L10 BRIGHT BLUEF65L4 DARK BLUEF65L3 LIGHT BLUE V65V100 MIXING CLEARF65H1 IVORY F65Y48 LIGHT YELLOWF65G41 FOREST GREEN F65Y44 LEMON YELLOWF65G40 MEDIUM GREEN F65W100 MIXING WHITEF65G39 LIGHT GREEN F65W4 TINTING WHITEF65G16 SEMI-GLOSS MACHINERY GRE F65W3 CUSTOM WHITEF65E37 INTERNATIONAL ORANGE F65W2 SEMI-GLOSS WHITEF65E36 ORANGE F65W1 GLOSS WHITEF65B50 WR. IRON FLAT BLACK F65R2 TARTAR RED DARKF65A1 WARM GRAY F65L6 TURQUOISEDISAPPROVED BY CCM-PAINTS & COATINGS (1/26/98)F65B1 GLOSS BLACK F65N11

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Jul 23, 2001

Hello,

Not sure how to do this. I think I need to use a Group By query. I have a "Products" table with the following fields:

Program#
Number
UPC
Item
Item#
Size
Dept

Everything is specific to the Program#. In other words, for every instance of a Program# there can be more than one Product, which is specified by the "Number" field. So: SELECT * FROM Product WHERE [Program#] = '12345' should return this:

12345 | 1 | 000012345678 | Cookies | 98765 | 12ct | Retail |
12345 | 2 | 000012345678 | Cake | 98765 | 12ct | Retail |
12345 | 3 | 000012345678 | Ice Cream | 98765 | 12ct | Retail |

However, some recordsets are returning like this:

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12345 | 1 | 000012345678 | Cake | 98765 | 12ct | Retail
12345 | 2 | 000012345678 | Ice Cream | 98765 | 12ct | Retail

In which case I have to fix them (the "Number" field) with an update query sp they are numbered sequentially. Luckily, this doesn't happen very often.

Can someone help me with a query that will return only those records with duplicate values in the "Number" field? I am not sure how to construct this query which I will use as a stored procedure.

TIA,
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Jul 20, 2005

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Can anyone make recommendations here that might help?

Oh, this is SQL200 in case that impacts what you might advise!!!!

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May 28, 2015

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Now in the next Derived Transformation, i see duplicate test_method_number. How to get rid of this duplicate?

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Aug 26, 2015

I've inherited a table of members that has the following structure:

CREATE TABLE [dbo].[dimMember](
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[dimSourceSystemId] [int] NOT NULL CONSTRAINT [DF_dimMember_dimSourceSystemId] DEFAULT ((-1)),
[MemberCode] [nvarchar](50) NOT NULL,
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[LastName] [nvarchar](250) NOT NULL,

[Code] ....

Based on the way the data loads into the table there's a possibility of some records being near duplicates of each other. For example, we can have a member that has records that have the same first name, last name, SSN, but different addresses, membercodes, subscribercode etc... This can happen in pretty much any variation thereof.

What I want to do, is add a new column and use that to group the similar records under based on comparing on several columns. By this I mean, if a member matches 4 of the 7 values below with another member, we would group these:

First Name (1st 3 characters)
Last Name
DOB
CurrentAddress1
MemberCode
SSN
SubscriberCode

I'm at a loss of how to structure the SQL to update the new column in the table.

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Nov 11, 2007

Hi,


I'm struggling with this. I'd like to perform a joined query
from two or more tables and take the same field from several
rows of one table into seperate fields of a single row in a new table.

Like this:



table 1

uidunameuloc
1mehere
1methere
2youhere
2 youthere


table 2

uidulocuparam#uparamval
1here1a
1here2b
1here3c
1there1d
1there2e
1there3f
2here1g
2here2h
2here3i
2there1j
2there2k
2there3l


result in table 3

uidunameuloc uparval1 uparval2 uparval3
1mehere a b c
1methere d e f
2youhere g h i
2 youthere j k l



uparam# field in table 2 always the same sequence


Any ideas????


Thanks...

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Bill Howard

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CREATE procedure spr_Load_TR_AccidentReport_Edit_VOwner
(
@Crime_No varchar(20),
@Unit_ID int
)
as
begin
DECLARE @AD_Driver int,@AC_Cas int,@AV_Owner int,@A_Witness int
DECLARE @Defect_ID varchar(100)

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SELECT
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(select TBL_TR_Person_OutsideDetails.OutSide_state from
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(select TBL_TR_Person_OutsideDetails.OutSide_City from
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TBL_TR_ACCIDENT_VEHICLE.Vehicle_Owner = TBL_TR_Person_OutsideDetails.Person_id and TBL_TR_ACCIDENT_VEHICLE.RowID =TBL_TR_Person_OutsideDetails.RowID)[OutSide_City]


---here I faced the problem-
/*For the above Select only return one rows.But this select willreturn multiple row .I wnat to put that multiple data into a single field with comma*/

(SELECT @Defect_ID = COALESCE(@Defect_ID + ',','') + CAST(TBL_TR_VEHICLE_DEFECT.Defect_ID AS varchar(5))
FROM TBL_TR_VEHICLE_DEFECT,TBL_TR_ACCIDENT_VEHICLE
WHERE TBL_TR_VEHICLE_DEFECT.Registration_Number =TBL_TR_ACCIDENT_VEHICLE.Registration_Number)
select @Defect_ID



FROM
tbl_TR_Accident_report,TBL_TR_Person_Details,TBL_TR_ACCIDENT_VEHICLE
where
tbl_TR_Accident_report.Crime_No=@Crime_No and tbl_TR_Accident_report.Unit_ID=@Unit_ID
AND
TBL_TR_ACCIDENT_VEHICLE.Crime_No=@Crime_No
AND
TBL_TR_Person_Details.Person_ID = TBL_TR_ACCIDENT_VEHICLE.Vehicle_Owner

end
GO

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