Trigger Update Identity Column
Feb 5, 2001
hi,
i got a little problem. when i insert values into a table a trigger is launched wich updates something in the table too.
CREATE TRIGGER T1 ON Tbl
FOR INSERT AS
BEGIN
IF (UPPER(USER) <> 'CONVERSIE')
BEGIN
UPDATE Tbl SET
Datum = GetDate(),
User = USER,
WHERE Tbl.ID= (SELECT ID FROM inserted)
END
END
the error i receive is this: 'can not update identity column id' (id being pk).
does anyone know how to deal with this?
tnx,
erik.
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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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Oct 26, 2005
I need to populate a temporary holding table from a trigger. The contents of this table will be added to another table when the Trigger has completed processing. The id column of the temporary table will be added to the max value in the final table to create the record identifier. I used an identity field in the temporary table to accomplish this. My initial idea was to create a temp table in the code for the trigger then drop the temp table when each recursion is complete. However I got "cannot use Create table in Trigger". Then I tried to make temp table in stored proc called by trigger. Same message. Then made permanent "temp" table, and tried to Trucate table after each use. I got "Cannot use Trucate Table in Trigger". Finally I used delete from and DBCC Checkident to reseed identity. This worked in Query analyzer. I worked in VB project using ADO. However, I after deployment I was informed that VB project using RDS to make and update ADO recordsets was failing to run the trigger. After troubleshooting I was alerted that DBCC CheckIdent can only be run by table owner. Business rules prevent this. Therefore I would like to know if anyone knows any other way to reseed an identity, before I abandon this approach and start over.
Thanks for trying.
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Nov 21, 2015
I am new in sql server. I am using TSQL2012 database. I have added a new column in processedOrderCount in Hr.Employees table. And created a trigger on Sales.Orders table that whenever orderId is updated it automatically updated processedOrderCount in Hr.Employees. There is a problem that the orderId is the identity column I can't update it. How can we work with identity column? the code of my trigger is:
If Object_id ('Sales.trig_Calculate_OrderProcessed', 'tr') is not null
Drop Trigger Sales.trig_Calculate_OrderProcessed
go
Create Trigger Sales.trig_Calculate_OrderProcessed
ON Sales.Orders
[Code] ....
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Mar 22, 2008
Hi,
I have to tables : Rank and Item
Rank contains a FK named R_I_id which references Item's primary key named I_id, which is also an identity column.
I want the field R_I_id of table Rank to be updated with the value of Item's I_id when a new Item is inserted. So I wrote the following trigger :
CREATE TRIGGER [dbo].[trg_oninsertitem]
ON [dbo].[Item]
AFTER INSERT
AS
BEGIN
SET NOCOUNT ON
SET IMPLICIT_TRANSACTIONS OFF
DECLARE @I_id INT
SELECT @I_id = SCOPE_IDENTITY()
BEGIN TRANSACTION
INSERT Rank(R_I_id) VALUES(@I_id)
IF (@@ERROR <> 0) BEGIN
PRINT 'error in trigger trg_oninsertitem'
ROLLBACK TRANSACTION
END
COMMIT
END
But when I insert a value in Item, I got the following message :
Msg 515, Level 16, State 2, Procedure trg_oninsertitem, Line 17
Cannot insert the value NULL into column 'R_T_id', table 'base.dbo.Rank'; column does not allow nulls. INSERT fails.
and I don't understand, because my trigger is fired after the value is inserted in table Item, so the field I_id should contain a new identity value, not NULL
my DBMS is SQL Server 2000
thanks in advance for your help
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Dec 24, 2007
Hello,
I have a frustrating problem occuring in Sql 2005. We have the need
in a few client upgrade situations to update the indentity column of a common
resource table. It is populated each release with common records and the
keys got out of sync for two releases due to developer error.
In Oracle this is not a problem. In SQL we get the message "Cannot
update identity column 'mycolumn'". To get around this in SQL 2000 we
updated the table by running the following.
exec sp_configure 'allow update', 1
go
reconfigure with override
go
update syscolumns set colstat = colstat - 1
where id = object_id(Event')
and name = 'EventKey'
go
exec sp_configure 'allow update', 0
go
reconfigure with override
go
In SQL 2005 this gives us the error
'Ad hoc updates to system catalogs are not allowed'.
Now I understand the need to keep people out of the system tables.
However, can I have some sort of solution to this problem. I'm running a
bunch of ad hoc queries to update the values and I don't want to create an
exact duplicate of the table and copy over the information with the changes.
It is much easier to run a simple update.
Please advise...
Thanks,
Russ
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Dec 4, 2003
I set up replication on my DB between two server. The Publisher will not update tables on the Subscriber that use an identity column and I get an error "8102:cannot update identity column". I have looked around and can't seem to locate any solid fixes. If I remove the identity column from the subscribers tables the package works, but I am not able to use the DB on the subscriber because I need the Identity columns for my app to function properly. My Publisher and Subscriber are both running SQL Server 2000 Standard Edition SP3.
Thanks.
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Mar 1, 2004
Hi,
I'd set up Transactional Replication btw 2 servers running on MSSQL 2000.
However, from time to time, I encounter Error 8102. I try to reinitialise the subscription but failed. After I delete the current subscription and PUSH a new one, it will works fine again.
I'm curious why this is happening as I'd already set all the tables (articles) in the subscriber to "YES, not_for_replication".
Any idea?
Thanks.
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Apr 17, 2007
We need to import data from flat/xml files into our database.
we plan to do so in bulk as amount of data is huge, 2GB+
we need to do some validation checks in our code after that we create insert queries.
We have identity columns that are used as foreign keys in child tables. Question is how can I write a bulk/batch insert statement that will propogate the identity column to the child, as for all other we are creating the query in the application memory.
there are 2 parent tables and 1st table value needs to be referred to in 7 tables and second table's value in 6.
Thanks much for your help.
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Jun 1, 2015
By mistake i deleted a record form prod table.
how can i enter that record back? i get this error.
INSERT INTO item_details(ItemID,Item_Name,price) VALUES(201, bag,10)
ItemID is  identity column. can i disable  identity column and enter and then enable using sql statement?
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Sep 9, 2015
My current proc updates(updates using joins of two or three tables) millions of records as per the condition provided for each department.
However, when the proc fails it writes to a ErrorTable, ERROR_MESSAGE(), ERROR_SEVERITY() and which department has failed.
Since the records are updated keeping the selected departments in loop, I get the department in a temp variable.
Now, I was asked to log the specific record where the failure was occured.
Something like log the identity column value or primary key value which record has failed.
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Sep 9, 2015
My current proc updates(updates using joins of two or three tables) millions of records as per the condition provided for each department.
However, when the proc fails it writes to a ErrorTable, ERROR_MESSAGE(), ERROR_SEVERITY() and which department has failed.
Since the records are updated keeping the selected departments in loop, I get the department in a temp variable.Now, I was asked to log the specific record where the failure was occured.Something like log the identity column value or primary key value which record has failed.
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Jun 12, 2006
Hi,
I add new records to a table with ADO. The tables contain an auto-increment identity column. I want to retrieve the identity value after the insert operation. This works fine for SQL Server 2000. On SQL Server 2005 this only works if I use a table in the select statement. If I use a view in the select statement, ADO returns no value for the identity column, a trace with profiler shows that there is no Select @@IDENTITY statement.
What is the reason for this behavior?
How can I change this behavior in SQL 2005 so that the behavior is the same as in SQL Server 2000?
Best regards,
George
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Oct 22, 2007
I have a table called Projects, within that table is a field called UserId
I want to log everytime that UserID field in changed in a log called ProjectAllocationLog
so far i have written
CREATE TRIGGER LogUser
ON Projects
FOR Insert, Update
AS
if Update(UserId)
begin
INSERT INTO "ProjectAllocationLog" ("projectid", "UserID", "createdate")
VALUES ("123", "123", Now())
End
What I am stuck with is how do I pass the values of the field into the Values
ie where I have put "123", I actually want to pass the value of ProjectID, and UserID from the projects row that is changing
can anyone help me please
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Sep 25, 2014
I need to create trigger on table which will not allow to update value "1" into column and if tried to update.. then it should show error massage "Good To GO"
ID Name Roll
1 Ron 1
2 Jon 0
3 Nil 3
4 Par 1
if you try to update value "1" in Roll then it will through error
nil
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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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Jun 7, 2006
I am new to triggers and surely could use some help.
I can create a trigger to insert related records based on the main tables ID and insert that value into other related tables fine... but...
How do I create a trigger that can insert a record into one table for a columns given value and then insert a record into another table for another given value?
For instance:
New row...
Table1, Column1 (PK) has a value of 101
Table1, Column2 has a value of 'Blue'.
// When a new row is created in Table1 and Column2 has a value of 'Blue'...
I want to insert a new row into Table2 - with Table1 Column1's value.
// Now if Table1, Column2 has a value of 'Red' when the new row was created...
I want to insert a new row into Table3 - with Table1 Column1's value. Not Table2
This has to be inserted into one or the other tables based on column2's value, not both.
Then I want to populate the other related tables (Table4, Table5) with the regular insert statements based on Table1 Column1's value.
This (the conditional part above) has to work with an update to Table1 also.
So if someone came back to that record and changed Column2's value from 'Blue' to 'Red', it would have to delete the appropriate record in Table2 and then insert the new row into Table3 and visa-versa.
Can I do this with one trigger?
Thanks
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Jul 18, 2014
I would like to change a value after the table updates inserts a new row based on the value of that column
Table Name is: MPanel
Col Names: RID, FPID.
I want to:
If column RID='16'
Then UPDATE FPID='1'
How can I trigger that update? Would this work:???
CREATE TRIGGER dbo.MyTrigLI
ON dbo.MPanel
FOR INSERT, UPDATE
AS
BEGIN
UPDATE [MPanel]
SET
FPID='1'
WHERE (UPDATE(RID='16')
END
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Sep 26, 2007
Hello again,
I'm hoping someone can help with with a task I've been given. I need to write a trigger which will act effectively as a method of automatically distributing of incoming call ticket records. See DDL below for creation of the Assignment table, which holds information on the call ticket workload.
Code Snippet
CREATE TABLE #Assignment
(CallID INT IDENTITY(1500,1) PRIMARY KEY,
AssignmentGroup VARCHAR(25),
Assignee VARCHAR(25)
)
GO
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('Service Desk', 'Jim Smith')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('PC Support', 'Donald Duck')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('Service Desk', 'Joe Bloggs')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('Service Desk', 'Joe Bloggs')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('Service Desk', 'Joe Bloggs')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('PC Support', 'Donald Duck')
INSERT #Assignment (AssignmentGroup, Assignee)
VALUES ('PC Support', 'Mickey Mouse')
GO
SELECT COUNT(CallID) AS [Total Calls], AssignmentGroup, Assignee
FROM #Assignment
GROUP BY AssignmentGroup, Assignee
ORDER BY COUNT(CallID) DESC , AssignmentGroup, Assignee
What I need to do is write a trigger for on INSERT to automatically update the Assignee column with the name of the person who currently has the least active calls. For example, using the data above, the next PC Support call will go to Mickey Mouse, and the next two Service Desk calls will go to Jim Smith.
So, the logic for the trigger would be
UPDATE #Assignment
SET Assignee = (SELECT Assignee FROM #Assignment WHERE COUNT(CallID) = MIN(COUNT(CallID))
But that's only the logic, and obviously it doesn't work with the syntax being nothing like correct.
Does any one have an idea or pointers as to how I should go about this?
Grateful for any advice, thanks
matt
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Jul 25, 2015
I have a four tables called plandescription, plandetail and analysisdetail. The table plandescription has the columns DetailQuestionID which is the primary and identity column and a QuestionDescription column.
The table plandetail consists of the column PlanDetailID which the primary and identity column, DetailQuestionID which is the foreign key attribute of plandescription table and a planID column.
The third table analysisdetail consists of a analysisID which the primary and identity column, PlanDetailID which is the foreign key attribute of plandetail table and a scenario.
Below is the schema of the three tables
I have a two web form that will insert, update and delete data into these three tables in a two transaction. One web form will perform CRUD operations in plandescription and plandetail table. When the user inserts QuestionDescription and planid in this web form, I will insert the QuestionDescription Value in the plandescription table and will generate a DetailQuestionID value and this value is fed to the plandetail table with the planid. Here I will generate a PlanDetailID.
Once this transaction is done, I will show the second web form in which the user enters the scenario and this will be mapped with the plandescription using the PlanDetailID.
This schema cannot be changes as this is the client requirement. When I insert values I don’t have any problem. However when I update existing data, I need to delete existing PlanDetailID in the plandetail table and recreate PlanDetailID data for that DetailQuestionID and planID. This is because, the user will be adding or deleting a planID associated with the QuestionDescription.
Once I recreate PlanDetailID for that DetailQuestionID and planID, I need to update the old PlanDetailID with the new PlanDetailID in the third table analysisdetail for the associated analysisID.
I created a #Temp table called #DetailTable to insert the values analysisID, planid and old PlanDetailID and new PlanDetailID so that I can have them in update statement once I delete the data from plandetail table for that PlanDetailID.
Then I deleted the plandetailid from the plandetail table and recreate PlanDetailID for that DetailQuestionID. During my recreation I fetched the new PlanDetailID’s created into another temp table called #InsertedRows
After this I am running a while loop to update the temp table #DetailTable with the newly created PlanDetailID for the appropriate planID’s. The problem is here. When I have the same number of planID’s for example 2 planID’s 1,2 I will have only two old PlanDetailID and new PlanDetailID for that planID and analysisID.But When I add a new PlanID or remove a existing planID I am getting null value for that newly added or deleted planID. This is affecting my update statement of analysisdetail table as PlanDetailID cannot be null.
I tried to remove the Null value from the #DetailTable by running the update statement of analysis detail in a while loop however its not working.
DECLARE @categoryid INT = 8
DECLARE @DetailQuestionID INT = 1380
/*------- I need the query to run for the below three data.
Here i'm updating my planids that already exists in my database*/
DECLARE @planids VARCHAR(MAX) = '2,4,5'
[code].....
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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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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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Jul 20, 2005
Are there any limitations or gotchas to updating the same table whichfired a trigger from within the trigger?Some example code below. Hmmm.... This example seems to be workingfine so it must be something with my specific schema/code. We'reworking on running a SQL trace but if anybody has any input, fireaway.Thanks!create table x(Id int,Account varchar(25),Info int)GOinsert into x values ( 1, 'Smith', 15);insert into x values ( 2, 'SmithX', 25);/* Update trigger tu_x for table x */create trigger tu_xon xfor updateasbegindeclare @TriggerRowCount intset @TriggerRowCount = @@ROWCOUNTif ( @TriggerRowCount = 0 )returnif ( @TriggerRowCount > 1 )beginraiserror( 'tu_x: @@ROWCOUNT[%d] Trigger does not handle @@ROWCOUNT[color=blue]> 1 !', 17, 127, @TriggerRowCount) with seterror, nowait[/color]returnendupdate xsetAccount = left( i.Account, 24) + 'X',Info = i.Infofrom deleted, inserted iwhere x.Account = left( deleted.Account, 24) + 'X'endupdate x set Account = 'Blair', Info = 999 where Account = 'Smith'
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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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May 22, 2008
Hi,
I have a problem with a instead of Trigger. The Trigger's target is a view.
When the Trigger is called during a query insert I must store the data inside two tables. The tables are related with each other by the primary key.
So I must: a. Insert the data in the first table. b. Get the value of the Identity c. Insert the data in the second table.
But I have a problem: the value returned of the query "SELECT ID FROM FIRST_TABLE WHERE ID = SCOPE_IDENTITY()" is null. I'm sure that the first insert query is executed.
Where is the error?
Thanks
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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)
REFERENCES parent_table (parent_id) ON DELETE CASCADE
the error thrown is :
Failed to execute alter table query: 'ALTER TABLE child_table ADD CONSTRAINT
fk_1_ct FOREIGN KEY (child_id) REFERENCES parent_table (parent_id) ON DELETE
CASCADE '. Message: java.sql.SQLException: Cascading foreign key 'fk_1_ct' cannot be
created where the referencing column 'child_table.child_id' is an identity column.
any workarounds for this ?
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Jan 3, 2005
hi!
I have a big problem. If anyone can help.
I want to retrieve the last update time of database. Whenever any update or delete or insert happend to my database i want to store and retrieve that time.
I know one way is that i have to make a table that will store the datetime field and system trigger / trigger that can update this field record whenever any update insert or deletion occur in database.
But i don't know exactly how to do the coding for this?
Is there any other way to do this?
can DBCC help to retrieve this info?
Please advise me how to do this.
Thanks in advance.
Vaibhav
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Jul 8, 2015
I have a table where table row gets updated multiple times(each column will be filled) based on telephone call in data.
Â
Initially, I have implemented after insert trigger on ROW level thinking that the whole row is inserted into table will all column values at a time. But the issue is all columns are values are not filled at once, but observed that while telephone call in data, there are multiple updates to the row (i.e multiple updates in the sense - column data in row is updated step by step),
I thought to implement after update trigger , but when it comes to the performance will be decreased for each and every hit while row update.
I need to implement after update trigger that should be fired on column level instead of Row level to improve the performance?
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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]
to integer, and set the column [RowID Table Level] as Identity (index) starting from 1, incrementing 1 each time.
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),
[RowID Data Level] INT;
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May 30, 2008
Hi,
I am not sure if this is the right forum to post this question.
I run an update statement like "Update mytable set status='S' " on the SQL 2005 management Studio.
When I run "select * from mytable" for a few seconds all status = "S". After a few seconds all status turn to "H".
This is a behaviour when you have an update trigger for the table. But I don't see any triggers under this table.
What else would cause the database automatically change my update?
Could there be any other place I should look for an update trigger on this table?
Thanks,
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Feb 15, 2008
Hello
I've to write an trigger for the following action
When a entry is done in the table Adoscat79 having in the index field Statut_tiers the valeur 1 and a date in data_cloture for a customer xyz
all the entries in the same table where the no_tiers is the same as the one entered (many entriers) should have those both field updated
statut_tiers to 1
and date_cloture to the same date as entered
the same action has to be done when an update is done and the valeur is set to 1 for the statut_tiers and a date entered in the field date_clture
thank you for your help
I've never done a trigger before
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Oct 6, 2004
Hi All
I have a problem with an existing stored procedure that is used to insert a new entry to a table (using an Insert statement).
I have been using the @@Identity global variable to return the identity column (id column) back to the calling routine. This has worked fine for years until recently an ‘after insert Trigger’ has been added to the table being updated.
Now the @@Identity is returning the identity value of the trigger that was called instead of the original table insert.
Does anyone know how I can code around this issue (without using a select statement within my stored proc, as these have been known to cause locks in the past).
Thank in advance.
Eamon.
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Jan 9, 2007
Hello;
My Memebership table has Guid column as Primary key.
But I would like to add Auto numbering Identity column to this table.
Is this idea OK or it will bring some problems?
Thank you in advance for your help
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