Can IDENTITY Coulum Be ALTERED?

Jun 7, 2001

Hi All,

Just want to know if a column with IDENTITY can be altered. If yes, how?
I have a table with colum defined like this:

CREATE TABLE [dbo].[Test] (
[TestID] [int] IDENTITY (1, 1) NOT NULL ,
.......

Through ALTER TABLE script (I don't want to do it through Enterprise Manager) I want it to be like this:

CREATE TABLE [dbo].[Test] (
[TestID] [int] IDENTITY (1, 1) NOT FOR REPLICATION NOT NULL ,
.......

I want the constrain "NOT FOR REPLICATION" done through ALTER TABLE script. Is that possible?

Please let me know with the syntax.

Thanks
Sri

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Can IDENTITY Colum Be ALTERED?

Jun 7, 2001

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If Already Altered

Feb 6, 2008

hi everyone...

how could i execute this query if the hrsrate is not yet altered to money. The original datatype is numeric(9,2)

Alter table hrEmpLeaveMonetize alter column hrsrate money

thanks

RON
________________________________________________________________________________________________
"I won't last a day without SQL"

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Feb 14, 2008

Working on partitioning a few large tables. One of the tables included a text column and the ��TEXTIMAGE_ON [PRIMARY]�? clause which would prevent the partitioning of this table. After some research we found that the data was legacy and no longer used. We updated the column on the affected rows to NULLS and altered the column to a VARCHAR(20)
When I attempted to run the ALTER TABLE SWITCH I encountered the error
Msg 4947, Level 16, State 1, Line 1
ALTER TABLE SWITCH statement failed. There is no identical index in source table 'LocalDeltanet.dbo.testresultsjoe' for the index 'PKIDX_testSummary' in target table 'LocalDeltanet.dbo.testresults_part'.
After a lot of grief and testing I determined that the message was bogus and the real issue is that the 'sys.tables' still has ��lob_data_space_id�? with a value of 1 for this table.
I created a copy of the table with the text column altered to varchar and one with just the varchar to begin with. After copying data from the original table, I tried to run the alter switch. It failed once again for the text column altered to varchar table, but it worked for the varchar from the start.

Since it appears that this value is causing my issues, is there anyway to update the table in place. I know I can BCP the data out, but that would take too long and would defeat the advantage of using the alter switch method.

BOL States:

The allow updates option is still present in the sp_configure stored procedure, although its functionality is unavailable in Microsoft SQL Server 2005 (the setting has no effect). In SQL Server 2005, direct updates to the system tables are not supported. This means we cannot update the table manually.

Thanks

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Jun 19, 2015

we recently migrated from our in-house domain to the Enterprise domain. Everything went smooth except for the fact that I can no longer accept my dBs using my SA or my domain admin account. There is only 1 account I can get into the management studio with but it has no admin privileges, so I can't make any password changes or add accounts. I don't have a test environment so kind of hesitant to experiment with our production system.

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Last GASP On Insert Row In Table With Identity Field, And Get New Identity Back ?

Jul 9, 2006

While I have learned a lot from this thread I am still basically confused about the issues involved.

.I wanted to INSERT a record in a parent table, get the Identity back and use it in a child table. Seems simple.

To my knowledge, mine would be the only process running that would update these tables. I was told that there is no guarantee, because the OLEDB provider could write the second destination row before the first, that the proper parent-child relationship would be generated as expected. It was recommended that I create my own variable in memory to hold the Identity value and use that in my SSIS package.

1. A simple example SSIS .dts example illustrating the approach of using a variable for identity would be helpful.

2. Suppose I actually had two processes updating these tables, running at the same time. Then it seems the "variable" method will also have its problems. Is there a final solution other than locking the tables involved prior to updating them or doing something crazy like using a GUID for the primary key!

3. We have done the type of parent-child inserts I originally described from t-sql for years without any apparent problems. (Maybe we were just lucky.) Is the entire issue simply a t-sql one or does SSIS add a layer of complexity beyond t-sql that needs to be addressed?

TIA,

Barkingdog

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Insert Row In Table With Identity Field, And Get New Identity Back

Jun 30, 2006

I want to insert a new record into a table with an Identity field and return the new Identify field value back to the data stream (for later insertion as a foreign key in another table).

What is the most direct way to do this in SSIS?

TIA,

barkingdog

P.S. Or should I pass the identity value back in a variable and not make it part of the data stream?

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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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Sep 19, 2005

Ok,I just need to know how to get the last record inserted by the highestIDENTITY number. Even if the computer was rebooted and it was twoweeks ago. (Does not have to do with the session).Any help is appreciated.Thanks,Trint

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Problem In Using Sqlbulkcopy To Insert Data From Datatable(no Identity Column) Into Sql Server Table Having Identity Column

Jun 19, 2008

Hi,
I am having problem in bulk update of a sql server table haning identity column from a datatable( has no identity column) using sqlbulkcopy. I tried several approaches, but it does not show any error nor is the table getting updated. But the identity value seems to getting increased every time.
thanks.
varun

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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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Aug 12, 2009

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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Oct 26, 2006

i have found loads of topics on this but have yet to find one that gives the answer i need.I want to display the last insert id into a label/textbox after the INSERT functionhow do i do this?

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Feb 29, 2008

I got two tables
one table has the fields ie table1
orderid ofd orderdate customername
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the other table2
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Mar 3, 2008

Hi, I was looking through this thread about @@Identity: http://forums.asp.net/p/1039145/1443971.aspx#1443971 I'm still unsure how to ue it. I have an Orders table, a Products table and a Products_Orders table. When I add an order to the Orders table I want the PK OrderID in this table to also update the FK OrderID in my Products_Orders table. I'm using SQL EXP05 and I'm in C#.

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Mar 11, 2008

Hi i want to get the naxt identity number how can i get it pls help me very urgent

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Feb 24, 2004

I know identity key in a table can cause problems when the table is replicated. Should we avoid using identity key altogether, if we don't know in advance whether replication will come into the picture?

Thanks for any advice.

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Help With @@IDENTITY

Aug 30, 2004

hello,

I've got a problem reading the @@identity in vb.net
I tried it the way below and get the error: Public member 'EOF' on type 'Integer' not found.
(--> means with rsLastIdent)

comm_user = "SET NOCOUNT ON; INSERT INTO user (firstname, lastname, company, emailAddress) VALUES ...); SELECT @@IDENTITY AS Ident;"

comm = new SqlCommand(comm_user, dbConnection)

dbConnection.Open()

Try

rsLastIdent = comm.ExecuteNonQuery()

Catch ex As Exception

Response.Write("Exception:")

Response.Write(ex.ToString)

End Try

if NOT rsLastIdent.EOF then

feed_userID = rsLastIdent.Fields.Item("Ident").Value

end if

The sql-statement is correct - I tried it on SQL Server and got the correct result, so something is wrong with my vb.net code...

Please can anybody help me and tell me how to declare my rsLastIdent or another way to code it in vb.net to get the @@identity?

Thanks a lot!

tim

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@@identity

Sep 20, 2004

hi,

I was wondering if someone could help me out with this stored procedure I have. I am trying to execute a transaction in one of my sps and am getting pk violations on 'OrderID'.
This where i encounter this error:

SELECT
@OrderID = @@Identity
/* Copy items from given shopping cart to OrdersDetail table for given OrderID*/
INSERT INTO OrderDetails
(
OrderID,
ProductID,
Quantity,
UnitCost
)
SELECT
@OrderID,
ShoppingCart.ProductID,
ShoppingCart.Quantity,
Prices.UnitCost
FROM
ShoppingCart INNER JOIN
Prices ON ShoppingCart.ProductID = Prices.ProductID
WHERE
CartID = @CartID

is there any way to rewrite this statement so that I can put it in the form insert()values(). ?

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Jun 17, 2005

HiTrying to get a return value from this code, but only gets a 0. Am using SQLExpress.SqlParameter[] p = new SqlParameter[4];p[0] = new SqlParameter("@a", "aaa");p[1] = new SqlParameter("@b", "bbb");p[2] = new SqlParameter("@c", "ccc");p[3] = new SqlParameter("@d", SqlDbType.Int, 40);p[3].Direction = ParameterDirection.ReturnValue;
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Jul 20, 2005

Hi all,

is there a way in SQL Server for me to get the next available Identity value from an Identity column?

(I don't want to perform an insert, and then get the identity through @@IDENTITY!)

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Tryst

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@@Identity C# Help...

Jun 1, 2006

I am trying to follow other examples I have seen on the site, and am still getting the
Must declare the scalar variable "@@INDENTITY".
string sqlAdd = string.Format("INSERT INTO " + siteCode + "_campaign_table (campaign_name, prod_id, type) "
+ "VALUES('{0}', '{1}', '{2}'); SELECT @@INDENTITY", campaignName, prodID, type);
SqlCommand comAdd = new SqlCommand(sqlAdd, con);
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lblErrorMessageAdd.Text = identity.ToString();
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Nov 5, 2001

Is it possible to use the ALTER TABLE statment when modifying an INT field to be an IDENTITY.

thanks in advance.

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Jul 11, 2000

I would like to know the best way to select/maintain a sequence number in SQL Server. I've seen locking problems with using the @@identity and was wondering if there is a better way.

Several of our applications have the need to generate a sequence number that is inserted into one or several tables. In one application they have done the following ...
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TableA
ColA defined as Int with Identity checked
ColB define as char(20)

- In the application, code looks like to get the sequence number:
insert into tableA (ColB, 'anything');
select (@@identity) as sequence from TableA

Then the last 5 positions of sequence are used to insert into another table. Problem with this is that several rows are being created in tableA when only a sequence number is needed. Also, we need to make sure no one else does an insert before the select @@identity.

Another approach I'm thinking about would be to create a one row table that contains an integer field initialized with a value of 1. To select/update the sequence number the code would need to:
set transaction serializable
select number
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update tableA
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How are most people generating a sequence number in SQL Server? In Oracle this would be done by selecting sequence.nextval. For example:
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Is there an equivalent way in SQL Server 7.0? Thanks.

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Oct 17, 2000

Hi,

Is there a way, I can give access(not dbo or sa) to a person so they can bcp into tables that have identity columns? I want to be able to give permissions ahead so I do not have to bother setting the identity insert on every time he wants to bcp.

Thanks a lot for your help
Sasha

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Nov 30, 1999

I'm successfully inserting into a db using a stored proc, but I need to replicate the ClientID to 10 other tables. For some reason, this one is escaping me.

After a successful insert, I then use:

SELECT @@IDENTITY ClientID
SELECT @ClientID = @@IDENTITY

INSERT INTO table2
(ClientID)
VALUES(@ClientID)

INSERT INTO table3
(ClientID)
VALUES(@ClientID)

INSERT INTO table4
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VALUES(@ClientID)

The insert ClientID into the other tables is being inserted. I added SET @ClientID = @@IDENTITY and it made no difference.

Thanks for the help.

Alan

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Sep 2, 1999

Does anyone know if there is bug/problem with the @@identity global variable in SQL Server 7.0?
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Apr 18, 2000

Hi everyone,

Can someone explain how I can use another table to hold my @@identity value so I can have the correct value to update other tables?

Thank you very much,
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Mar 9, 2001

I have a table (tblMoney). When I insert a new row into the table, via a standard insert stored procedure, the new row, has the identity column numbered correctly (say 34 for example). At the end of the stored procedure, we return @@IDENTITY for the developers. This will return a much bigger number (1198).

Any idea how these got out of sync, or how they can be fixed??

Thanks!

Trisha

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Jun 24, 2004

Is there a way to turn off the identity from a table via t/sql.

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thanks
-D

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Apr 29, 1999

Hi Everybody,
I am working on a project involving SQL Server 6.5 and Site Server.
We need to create a unique sequence number. One option is to use the
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How easy or tough is it to develop such an object?? Do U guyz recommend
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Thanks for any advice

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Dec 11, 1998

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How can I set it to right value?

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Feb 8, 2001

Hi, everybody !

I have a column 'IDNum' with identity(1,1). When I fill up table first time it's working fine, I mean it increments IDNum + 1. But after truncating table
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