Inserting Duplicate Data
Jul 20, 2005
This is probably a silly question to most of you, but I'm in the process
of splitting off years from a large DB to several smaller ones. Some of
the existing smaller DBs already have most of the data for their
respective years. But some of the same data is also on the source DB.
If I simply do an insert keying on the year column, and a row being
inserted from the source DB already exists in the target DB, will a
duplicate row be created?
And if so, how can I avoid that?
Thanks,
John Steen
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Dec 31, 2006
I have a table storing only 2 FKs, let's say PID, MID
Is there any way that I can check distinct data before row is added to this table?
For example, current data is
PID MID------------100 2001100 2005101 3002102 1009102 7523102 2449
If my query is about to insert PID 100, MID 2001, since it's existing data, i don't want to add it. Can I use trigger to solve this issue?
Thanks.
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Sep 10, 2007
Hi I am trying to insert entries in a table which has a composite primary key and i am inserting it on UID basis.
INSERT INTO TABLE_B (TABLE_B_UID,NUM_MIN, NUM_MAX,BIN, REGN_CD, PROD_CD, CARD)
(SELECT UID,LEFT(NUM_MIN,16),LEFT(NUM_MAX,16),BIN, REGN_CD, PROD_CD, CARD FROM TABLE_A WHERE UID NOT IN (SELECT TABLE_B_UID FROM TABLE B))
When i insert it tries to insert a duplicate entries and gives me an error. Since I am new to SQL SERVER 2000 i need some help. I tried IF NOT EXISTS, EXCEPT but i guess i am wrong at the syntax.
Can anybody help me out?
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Jul 17, 2007
Hi there, newbie here.
I'm building a web application that allows for tagging of items, using ASP.NET 2.0, C# and SQL Server.
I have my USERS, ITEMS and TAGS separated out into three tables, with an intersection table to connect them.
Imagine a user has found an item they are interested in and is about to tag it. They type their tag into a textbox and hit Enter.
Here's what I want to do:
I want to search the TagText column in my TAGS table, to see if the chosen tag is already in the table. If it is, the existing entry will be used in the new relationship the user is creating. Thus I avoid inserting a duplicate value in this column and save space. If the value is not already in the column, a new entry will be created.
Here's where I'm up to:
I can type a tag into a textbox and then feed it to a query, which returns any matches to a GridView control.
Now I'm stuck... I imagine I have to use "if else" scenario, but I'm unsure of the code I'll have to use. I also think that maybe ADO.NET could help me here, but I have not yet delved into this. Can anyone give me a few pointers to help me along?
Cheers!
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Jan 15, 2004
I would like to know what options I have with regards to trapping a duplicate record
before it tries to post to a SQL database. I have set the column to unique in SQL. But
when I try to use ASP and post a duplicate record I get a system error. I would like to
just create a referential error to notify the user that they cannot post a duplicate record
please try again. Any help would be greatly appreciated.
RT
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May 6, 2015
Have a table that is used during a conversion. It is hit pretty heavily with inserts by mulitple session ids. For performance reasons I cannot add a unique constraint on the column that is getting duplicates (it is an encrypted cell in varbinary).
I do not want duplicates in this Encrypted Column. So before each insert the insert programs reads the table and verifies that the Encrypted Column value does not already exist. But unfortunately several duplicates are falling through the cracks. What are my options for not allowing duplicates?
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Feb 1, 2005
I have a web app that calculates tax filing status and then stores data about the person.
Facts
The insert is done through a stored procedure.
All the sites that this program is being used are connecting through a VPN so this is not an external site.
The duplicate records are coming from multiple sites (I am capturing there IP address).
I am getting a duplicate about 3 or 4 times a day out of maybe 300 record inserts.
Any help would be greatly appreciated.
There are many sqlcmdInsert.Parameters("@item").Value =
cnTaxInTake.Open()
sqlcmdInsert.ExecuteNonQuery()
cnTaxInTake.Close()
And that is it.
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Dec 21, 2005
I am duplicating a record from my asp.net page in to the database. When i click on save I am getting the following error message
Violation of PRIMARY KEY constraint 'PK_clientinfo'. Cannot insert duplicate key in object 'clientinfo'. The statement has been terminated.
The above message i am getting since i have tried to duplicate the clientname field of my table which is set as the primary key.
What i want is instead of this message in the browser i need to display an alert saying "the clientname entered already exists" by checking the value from the database.
Here is my code. pls modify it to achieve the said problem
if(Page.IsValid==true) { conn.Open(); SqlCommand cmd = new SqlCommand("insert into clientinfo (client_name, address) values ('"+txtclientname.Text+"', '"+txtaddress.Text+"')", conn); cmd.ExecuteNonQuery(); conn.Close(); BindData(); txtclear(); System.Web.HttpContext.Current.Response.Write("<script>alert('New Record Added!');</script>"); Response.Redirect("Clientinfo.aspx"); }
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May 25, 2000
Hello,
This probably has been addressed before but I was unable to get the search to work properly on this site.
I am needing a script/way of deleting all rows from a DB with the exception of one record left for each row that has duplicate column data. Example :
Row 1
Field1 = 12345 Field2 =xxxxx Field 3=yyyyy Field4=zzzzz etc.
Row 2
Field1 = 12345 Field2 =zzzzzz Field 3=xxxxxx Field4=yyyyyy etc.
Row3
Field1 = 12345 Field2 =20202 Field 3=11111 Field4=zzzzz etc.
Row 4
Field1 = 54321 Field2 =xxxxx Field 3=yyyyy Field4=zzzzz etc.
Etc. Etc.
I want to be able to find the duplicates for Field1 and then delete all but 1 of those rows.( I don't care which one I keep just so only one is left.) The data in the other fields may or may not be unique.
I know how to find the duplicates it's just the deleting part I am having problems with. Any help would be much appreciated. Thanks,
Kerry
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Oct 10, 2007
I am trying to insert data into two different tables. I will insert into Table 2 based on an id I get from the Select Statement from Table1.
Insert Table1(Title,Description,Link,Whatever)Values(@title,@description,@link,@Whatever)Select WhateverID from Table1 Where Description = @DescriptionInsert into Table2(CategoryID,WhateverID)Values(@CategoryID,@WhateverID)
This statement is not working. What should I do? Should I use a stored procedure?? I am writing in C#. Can someone please help!!
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Nov 11, 2014
I have 2 tables in my database.
one is Race table and 2nd one is Age Range.
I want to write a query where I can see all races and age range as column.
TblRace
ID, RaceName
TblAgeRange
ID,AgeRange.
There is no connection between this two table. I need to display result like below.
Race 17-20 21-30 31-40
A
B
I
W
How do i get this kind of empty data set so that I can fill it out in front end or any better solution. The age range will be displayed as many row as they have. It's not static. Above is just an example.
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Jan 22, 2001
Hi everybody,
In our datbase we have a table with text data type.Help me if anybody knows how to insert text data into text data type of sql server.
i am able to modify and retrive but i am not able to insert text. please if u have idea, please give me reply asap.
Thanks,
Giri
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Sep 17, 2004
I have some website work lined up and it involves some simple modifications to a MS SQL 2000 server. What I'll need to do is add some new data fields and insert some data.
I have some experience with databases - MS Access and MySQL, but I have never used or seen MS SQL 2000. My question is, is this a relatively simple thing to do for someone who hasn't used it before? I can do these things quite simply in Access or MySQL, so is MS SQL 2000 going to be any different?
Also, does anyone know of any free tutorials online that would help me out?
Thanks
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Aug 7, 2007
Hello friends....
I am looking for 2 things(using c#.net or vb.net and sql svr 2000)
1.convert data from sql server 2000 database (say customers table from northwinds database) to a text file(separated by commas or just plain space)
2.Insert the data from text file back to database.
Can someone pls give me the detailed code to achieve this....really need this on urgent basis.......Thank You.
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Dec 11, 2006
Hello guys! Is it possible to duplicate a primary key?
I would like my database to accept data with the same primary key.
Is it possible?
How do you declare ON DUPLICATE KEY UPDATE?
Please help me. Thanks in advance.
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Jul 1, 2004
I want to be able to duplicate a row of data in sql....Does anyone know if there is a sql command that will do that. I have a table with an auto increment primary key and I want to duplicate everything except the key into a new record.
Thanks.
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Nov 17, 1998
I am new to SQL server 6.5.
I will need to stress test a sql server 6.5 test database by duplicating
data. To do so, I need to know how to modify the primary key(which are
numbers in character data type) to duplicate the data several times over.
The primary key is character data.
What I have done ion the past is use insert statments -let's say 20 -- and then copy them and change the date in a text editor and change the primary key column and the other coluimns with thea replace of different letters and numbers. This is slow and tedious.
Does any one have a script I can run to do so?
Can I do this sql or do I need some sort of stored procedure? Any help
would be appreciated. Thanks.
DAvid Spaisman
would be greatly appreciated. THanks.
David Spaisman
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Aug 28, 2007
Hello all,
I have recently been working on a project that requires one simple table to insert data into. The problem here is that all the data inserted must only access the database via stored procedure and I want to ensure that no duplicate data is inserted in the database.
I have done quite a bit of research for many ways to perform duplicate data testing from building temp tables and on, but nothing has really stood out to me yet. I would really like to find some information on how to perform duplicate data testing using a stored procedure that allows to test the data being inserted before it is saved to the database; therefore, when the user inserts the fields and clicks the insert button, the fields will be tested against the existing data (via stored procedure) within the database before being added.
Can anyone help?
Thanks
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Apr 24, 2007
I have a table called emails with a field named emailaddress and some emailaddress are entered more than once. I want to be able to list all emailaddress just once. is there an sql statement that I could use to generate this.
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Sep 27, 2007
Hello people, not sure how to do this. I have a unique Claim ID and when joined with the code table has 4 different Code ID and the Claim Amt is also unique to the Claim ID (One Claim Amnt per one Claim ID). I need all of these data for the report my problem is in getting the correct summation of the claim amt since this looks like I have 4 amounts of $1773.31 when in actuality there is only one. The Code ID is also part of the report parameter so I tried assigining the $ amount to just one of the Code ID but that will not work incase that particular Code ID is not selected in the parameter, the claim would read as a zero. Any help would be appreciated. Thanks
Claim ID: Code ID Claim Amt
07089000296 757.39 1773.31
07089000296 V05.3 1773.31
07089000296 V30.01 1773.31
07089000296 V72.19 1773.31
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Jun 13, 2000
i have 2 tables not connected in any way
but both have orderid filed (same filed).
In one table this filed (and onther one) are keys,
the second table dose not hace a key at all.
The same order_id CAN repeat itself in each table.
When i try to join the tables (some rows just in one table and some in both):
Select tab1.name, tab1.orderid, tab2.sku
from tab1 inner join tab2 on tab1.orderid=tab2.orderid
The result i get is duplicate.
each row is multiple.
What I'm doing wrong?
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Mar 9, 2001
Hi everybody,
I'm migrating a table that has above 20,000 records and lot of duplication.Let's say an Employee table with multiple records having slight
diference in the EmployeeName field.Now nobody would like to sit and manually identify them with such hugh number of records.
Is there any way which would help me identify most of them and
reduce the redundancy.
Thanx
Aby...
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Dec 16, 2004
I have a query that for one reason or another produces duplicate information in the result set. I have tried using DISTINCT and GROUP BY to remove the duplicates but because of the nature of the data I cannot get this to work, here is an example fo the data I am working with
ID Name Add1 Add2
1 Matt 16 Nowhere St Glasgow
1 Matt 16 Nowhere St Glasgow, Scotland
2 Jim 23 Blue St G65 TX
3 Bill 45 Red St
3 Bill 45 red St London
The problem is that a user can have one or more addresses!! I would like to be able to remove the duplicates by keeping the first duplicate ID that appears and getting rid of the second one. Any ideas?
Cheers
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Apr 30, 2008
How to fetch that replicated records?
Anyone can share the query??
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May 7, 2015
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[sectionexpenses]
(@sectionname varchar(30),
@ExpensesName varchar(max),
[code]....
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Jun 15, 2007
Hi. Not sure which section this request needs to be put in, but i'm relatively new to SQL.
I have 1 table which contains an user_id (autonumber), user_name, and user_profile.
I have 2 other tables:
config_version (cv) and config (c)
These two tables both access the user table (us) to view the user_id (which is required).
I want to be able to view the user_names for both "cv" and "c" on a seperate page. Using the code below, i'm lost. I created what i wanted in MS Access with the use of a 2nd table (this might be easier to understand than my rant above). However, I don't want a 2nd table.
Can someone provide me with a function, or the "answer" to my problem?
Highlighted Blue - just there to fill in the front page with data (not wanted)
Highlighted Green - doesn't work, but was my first attempt
Code:
public function ShowQuotes
Dim objConn
Dim objADORS
Dim strSQL
Dim row
Set objConn = Server.CreateObject("ADODB.Connection")
objConn.ConnectionString = strConn
objConn.Open
Set objADORS = CreateObject("ADODB.RecordSet")
strSQL = "Select top 50 "
strSQL = strSQL & " cv.config_version_id as cvid, cv.configuration_id as cid, cv.version_number as cnum"
strSQL = strSQL & ", cv.status as cstat, cv.total_price as cprice, cv.modification_date as cmod, cv.version_description as cvrem"
strSQL = strSQL & ", c.remarks as qrem"
strSQL = strSQL & ", p.prod_description as pdesc, p.version as pvers, p.status as pstat"
strSQL = strSQL & ", cust.customer_name as custname"
strSQL = strSQL & ", us.user_nt_login as modname"
strSQL = strSQL & ", us.user_name as usname"
' strSQL = strSQL & ", cv.user_id as modname"
strSQL = strSQL & " from tbl_config_version as cv, tbl_configuration as c, tbl_product as p, tbl_user as us, tbl_customer as cust"
strSQL = strSQL & strWhere 'SETS RESULTS TO BE UNIQUE
strSQL = strSQL & " and us.user_id = c.user_id"
strSQL = strSQL & " and cv.configuration_id = c.configuration_id"
strSQL = strSQL & " and c.product_id = p.product_id"
strSQL = strSQL & " and c.customer_id = cust.customer_id"
strSQL = strSQL & strOrderBy & ";"
Image: www.mcdcs.co.uk/TT.jpg
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May 2, 2008
Hello,
I have a dataset which I would like to remove data from, but I can't seem to find out how to do this.
The dataset contains the following columns:
SCode, NIn, SIn, AIn, NOut, SOut, AOut and TagNumber.
I would like to remove data from the dataset when the following occurs:
("SC123", "NIn123", "s-in-323", "a-in-342", "NOut43", "s-out-231", "a-out-45", "tagnumber12")
("SC123", "NIn123", "s-in-xyz", "a-in-xws", NULL, NULL, NULL, "tagnumber12")
This is when NIn occurs with the same value more than once, and I would like to remove (or ignore, filter) the row when NOut, SOut and AOut are null.
I am new to SSIS and can't see how I could do this (although I'm sure it's possible).
If anyone could show me how I would appreciate it.
Thanks.
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Sep 20, 2006
I have a table with 68 columns. If all the columns hold the same value except for one which is a datetime column I want to delete all but one of the duplicate rows. Preferably the latest one but that is not important. Can someone show me how to accomplish this?
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Feb 12, 2007
Cannot find this anywhere while creating a report. Is this an option?
thanks.
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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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Jun 11, 2007
I want to import data from a live site database into a development database (SQL Server 2005 Express) using the DTSWizard. Once I copy/paste the live database to my dev machine, I cant attach the live site database because it has the same name as the database on the dev site.A simple solution I would assume is to change one of the names. But I can't seem to change the "orignal file name". A backup/restore won't work for me because I made table/field changes to the dev database. Thanks --Dietrich
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Apr 20, 2008
I'm working on a web app that needs to be able to take a row in the database and duplicate it, creating a new row in the same table with the same data except for the ID field and reference field.So basically: table1.row1 references table2.row1. I need to duplicate the data in table1.row1 (creating table1.row2) with the same reference to table2.row1.Is there any easy way to do this in SQL? I'm just looking for some ideas or a framework to accomplish this.
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Apr 11, 2001
Our programs have and would like to continue keep the same data in multiple database. Example phone numbers. Us DBAs are tring to convince them not to.
Other than keeping the data current, what avantages are there to keep data in one location for multiple application to access.
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