How To Reset Identity Column's Value?

Jul 15, 2006

Hello friends,
I have a table in SQL server 2005. it contains one identity column named EmpID
it's datatype is int isidentity and auto increment by 1.

I deleted all the records from this table.
Now I want that EmpID should start again from 1 how can I do it ?


Thanks & Rgds,
Kiran Suthar.

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How To Reset An Identity Column

Nov 27, 2007

Hi


I have a table with Identity column starting from value 1 and autoincrementing 1 for every new value. I inserted (5) rows and then deleted these rows. But, when i insert a new row, it was taking the last identity value(5)and inserting the rows with next identity value i.e., 6 for this column. I dont want that. Everytime, I delete and insert rows in to this table.I wanted the rows to start with 1 for this column.

Any help on this is highly appreciated.

Thanks!

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Sep 25, 2007



Changing the seed and increment values on the identity column

- CREATE TABLE MyCustomers (CustID INTEGER IDENTITY (100,1) PRIMARY KEY, CompanyName NvarChar (50))
- INSERT INTO MyCustomers (CompanyName) VALUES ('A. Datum Corporation')
- ALTER TABLE MyCustomers ALTER COLUMN CustId IDENTITY (200, 2)
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Aug 6, 2007

Is there a way to delete all items from a table that has an identity column and to reset the counter for all new insertions so that they begin at '1' again?

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Mar 11, 2004

In my application , DB has a large table. I write a small program to clear the table whenever the size of table is over 50 MB. At that time , I want to reset identity as 1. How can I do that?
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Can a column of Identity type reset after it reaches its maximum value?

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Hello,

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I cant drop the table due to acount restricctions.

regards,
Edu

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Oct 13, 2005

Obviously to delete all records from DB table is simple, however, I would like to make my whole Live DB pretty much empty.  I've copied all my data from my test DB over to my live DB (didn't mean to but I did).  I would like to remove all the data and the identity values, resetting them back at their original values.  Is there a simple way or do I have to do it the hard way.  That being going in and removing Identity, saving and then placing identity back on the DB Table.

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Jul 20, 2005

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I have a test database that is being moved to the production server. Currently in one of the tables I have an identity seed for each record. Is there a way to reset it back to zero. I have deleted all my records but it still doesnt work, and I dont want to create a new table.

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Jul 9, 2004

I have a remote DB I am wokring with at present. The DBA has provided me with a non owner LOGIN so I can't copy tables from the live to the staged DB as objects I can only copy tables and data.

The PKEY and IDENTITY COLUMNS get reset to just regular columns on each table. I can restore the PKEY constraint and have come across the DBCC CHECKIDENT to get the new ident value. I just can't figure out how to set a column to be an identity. The ALTER TABLE command isn't having any of it.

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I have a demo database in SqlCE that I am getting ready to deploy. I deleted a bunch of test records and now want to reset the identity columns. The compact method runs fine, but the identity columns are not being reset? So when I add a new record, the returned identity value is over 1,000 even though the highest value is only 50.



Any help is greatly appreciated!



Kind Regards,



Mat

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Hi,
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Apr 4, 2006

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when i alter non identity column to identity column using this Query alter table testid alter column test int identity(1,1) then i got this error message Msg 156, Level 15, State 1, Line 3 Incorrect syntax near the keyword 'identity'.

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Jan 25, 2015

I have table of three column first column is an ID column. However at creation of the table i have not set this column to auto increment. Then i have copied 50 rows in another table to this table then set the ID column values to zero.

Now I have changed the ID column to auto increment seed=1 increment=1 but the problem is i couldn't figure out how to update this ID column with zero value set to each row with this auto increment values so the ID column would have values from 1-50. Is there a away to do this?

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Nov 9, 2015

I am trying to calculate the the running total but also tried to reset to reset to zero based on a value of a column.

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Here is the example of data along with required column

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Aug 1, 2014

I'm working with a third-party database (SQL Server 2005) and the problem here is the following:

- There are a bunch of ETL processes that needs to insert rows on a table (let's call this table T) and at the same time, an ERP (owner of T) is up and running (reading, updating and inserting on T).

- The PK of T is an Integer.

Today all ETL processes uses (select max(ID) + 1 from T) to insert new rows, so just picture the scenario. It is a mess! Everyday they get duplicate key error when 2 or more concurrent processes are trying to insert a row (with the max) at the same time.

Considering that I can't change the PK, what is the best approach to solve this problem?

To sum up:

* I need to have processes in parallel inserting on T

* I can't change anything on T

* The PK is NOT an Identity

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Oct 16, 2006

Hi all,

The requirement is to have a table say 'child_table', with an Identity column to refer another column from a table say 'Parent_table'..

i cannot implement this constraint, it throws the error when i execute the below Alter query,

ALTER TABLE child_table ADD CONSTRAINT fk_1_ct FOREIGN KEY (child_id)
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the error thrown is :
Failed to execute alter table query: 'ALTER TABLE child_table ADD CONSTRAINT
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created where the referencing column 'child_table.child_id' is an identity column.

any workarounds for this ?

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Sep 7, 2007

Hi guys,
If I have a temporary table called #CTE
With the columns
[Account]
[Name]
[RowID Table Level]
[RowID Data Level]
and I need to change the column type for the columns:
[RowID Table Level]
[RowID Data Level]
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What will be the right syntax using SQL SERVER 2000?

I am trying to solve the question in the link below:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2093921&SiteID=1

Thanks in advance,
Aldo.

I have tried the code below, but getting syntax error...



ALTER TABLE #CTE
ALTER COLUMN
[RowID Table Level] INT IDENTITY(1,1),
[RowID Data Level] INT;


I have also tried:

ALTER TABLE #CTE
MODIFY
[RowID Table Level] INT IDENTITY(1,1),
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Jan 9, 2007

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Aug 3, 2006

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Mar 5, 2004

Hi,

I have a column that is unique that I would like to make into an IDENTITIY column after I insert some data into it.

I tried

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but it fails.


Ajay

WORD4LIFE
(http://www.word4life.com)

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Jul 20, 2005

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How To Bind A Column To Identity Column Of The Different Table.

Apr 2, 2007



Hi,



I have two tables table1 and new_table



Table1 has id_value column which is int and it is idenity specification is yes and identity increment is 1 .



And I have a NEW_TABLE with column name new_id which should store current id_value of Table1.



This type of functionality is requirement for my project.



I should get a current value of id_value from table1 . if I say SELECT * FROM NEW_TABLE ;



Please help me out to fix this issue



Thanks

Purnima

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Dec 17, 2001

Hi, I want to change an int column (not null) to identity column. I tried
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alter table myTable alter column ID int identity(10, 1) not null

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Incorrect syntax near the keyword 'identity'.

Can someone please show me the correct statement (if it exists)>

Many thanks.

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Nov 8, 2007

I have been trying to get the new sol_id that is added so I can use it in other code, but it is only returning 0. The new record is getting added to the table, but my varaiable myNewSolID is 0 in my response.write(myNewSolID)
I appeaciate any help!
Here is my steored procedure and my code:
 ALTER PROCEDURE [dbo].[AddTrackings]

@DropDate datetime,
@Comment nvarchar(100),
@DateEntered datetime,
@EnteredBy nvarchar(50),
@Sol_ID Int OUTPUT
AS
INSERT INTO tblTrackings (DropDate, Comment, DateEntered, EnteredBy)

VALUES (@DropDate,@Comment,@DateEntered,@EnteredBy)

SET @Sol_ID=SCOPE_IDENTITY()

RETURN


Sub ProcessTracking()
Dim myNewSolID As Integer

Dim ConnectStr As String = _
ConfigurationManager.ConnectionStrings("2ConnectionString").ConnectionString

Dim MySQL As String = ""

If Me.chkDropSave.Checked Then
MySQL = "AddTrackings"
Dim MyConn As New SqlConnection(ConnectStr)
Dim Cmd As New SqlCommand(MySQL, MyConn)
Cmd.CommandType = CommandType.StoredProcedure
Dim InsertedInteger As New SqlParameter("@Sol_ID", SqlDbType.Int)
InsertedInteger.Direction = ParameterDirection.Output
Cmd.Parameters.Add(InsertedInteger)

Dim MySqlParamStart As New SqlParameter("@DropDate", SqlDbType.DateTime)
Cmd.Parameters.Add(MySqlParamStart)
MySqlParamStart.Value = Me.BasicDatePickerDropDate.SelectedValue

Dim MySqlParamAmtTo As New SqlParameter("@Comment", SqlDbType.NVarChar, 100)
Cmd.Parameters.Add(MySqlParamAmtTo)
MySqlParamAmtTo.Value = Me.txtComment.Text

Cmd.Parameters.AddWithValue("@DateEntered", Now())
Cmd.Parameters.AddWithValue("@EnteredBy", Profile.UserName)

Try
MyConn.Open()
myNewSolID = Cmd.ExecuteScalar()Response.Write(myNewSolID)

Catch ex As Exception
Response.Write(ex.Message)
Finally
MyConn.Close()
End Try

Else
End If
End Sub 

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