Adding Identity Fields
Nov 2, 1998
I have a table that I need to add an identity field to. I created a field in the table as an INT and added values to all of the existing records. When I try to change it to an IDENTITY field I continually get an error saying 'Invalid cursor state' . The help function tells me that this is caused by not having enough space in the transaction log but I don't understand this b/c the trans log is configured to expand as needed. Anyone know how I can do this?
Thanks,
Tony
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Oct 19, 2006
how can i change a column attribute using alter table in sql server 2005. i want to add an identity property to my column userid , which deosn't have an identity property defined when created.
i tried this.
alter table userlookup alter column userid int identity(1,1) not null
i got this error:
Incorrect syntax near the keyword 'identity'.
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Feb 6, 2008
In design mode of table, when i try to add identity, it is disabled.
These are disabled.
Precision
scale
identity
identity seed
identity increment
is rowguid
why identity is distabled in a table?.
So how can i add identity to a exsiting table?.
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May 29, 2007
I am building a database for a new project. I am not a DBA or a database designer so please bear with me on this question.
My boss believes that the only time to use an identity column is when we cannot determine a unique primary key. On tables where we can determine a unique primary key identify fields are a waste of reasources. For instance, one of the tables that I need to create is a customer table. Since all of our customers have unique customer numbers my boss believes that in this case an identity column is useless. I don't have enough experience to determine if he is correct or not.
Can someone please explain the pro's and con's of using identity fields to me.
Thanks
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Mar 16, 2004
how do I start an auto increment field at a certain number? other than 1
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Oct 17, 2007
I am new to SQL Server 2005 and I am trying to add two fields to an existing table. The table has 15 Million records in it and the save is not completing. How do I add the new fields?
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Jul 23, 2005
I have a query that I need a hand on. I am trying to add togther somefiends based on values of another.What I would like to add a billing total by saying more or less thefollowing:SELECT labor_hours, labor_cost, expidite_fee, flat_rate,include_repair_cost, include_cal, include_flat_rate, include_parts,cur_bill,(labor_hours * labor_cost) AS labor_total,(ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDER BYdateCAL DESC),0)) AS cal_total,(ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS parts_total,((labor_hours * labor_cost) + expidite_fee + flat_rate +ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDER BYdateCAL DESC),0) +ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS actual_total,(expidite_feeIF include_repair_cost = 1+ (labor_hours * labor_cost)IF include_flat_rate = 1+ flat_rateIF include_cal = 1+ ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDERBY dateCAL DESC),0)IF include_parts = 1+ ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS billing_totalFROM view_inventoryWHERE orderID=79559I know the IF part is whacked, that's where I need the help. Is thistype of thing even possible? Or even efficent? Is it wise to subqueryfor totals (not like I have a choice based on the applicationrequirements)? help.
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Jul 20, 2005
I have a table with some fields. break_mon, lunch_mon, dinner_mon, ent_mon,break_tue, lunch_tue, dinner_tue, ent_tue, .....etcI want to output the sum of the four monday columns as well as the sum ofthe four tuesday columns.I did this withSELECT break_mon+lunch_mon+dinner_mon+ent_mon AS mon_tot,break_tue+lunch_tue+dinner_tue+ent_tue AS tue_totFROM expense_reportI now want to add mon_tot and tue_tot AS total, but SQL is telling me thatit can not find mon_tot. Is there a way to do this? Thanks!DarrenMCP
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Apr 19, 2007
Hi!
a) PROBLEM 1:
I have set up my main database like this (of course I'm showing an abbreviation):
company - int (identity)name - nchar
I have several companies stored in the previous table. Now I have another table with messages:
company - int (related with the company of the previous table)messageID - int (identity)contents - nchar
company and messageID are the main key of this table. I want to set the messageID column to change automatically. Since I declared it as identity it is working fine, but I was looking to start it on 0 on every new company:
Company messageID0 00 10 21 0 <- Here the company changed, so the messageID resets1 11 21 32 0 <- Again2 1
Any suggestions?
b) PROBLEM 2:I have my database stored locally on my computer. When I finished working with the database it has a lot of data for testing. I want to upload the database to my hosting provider or to my customer's. But the identity columns keep incrementing since the last value of my tests, so it's kind of annoying to see values as: 1250, 223, etc. when I expect to see 0,1, 2 and so on. Also, for receipts this is a very important issue.
How can I reset the identity fields?
Thank you very much for your attention and help.
CT
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Aug 8, 2007
HiI've a tabel with two columns as identity fields (one as primary key), but I read in SQL 2000 documentation that it is permitted only one column as identity, it's true?The second field has to be autoincrement so I supposed to use identity field for it...Now the true problem, supposing that I can use two identity fields...I'd like to reset the second identity when the year change... In other words, I've to manage some spedition which are identified with XXX/year, where XXX is a number.Coming from Oracle, I supposed to use a trigger on insert which reset the sequence when the year changa, but in MS??Tnx...
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Sep 13, 1999
I am experiencing a problem with the identitynumber field in SQL vs the autonumber field in MS Access 97. When I open the Member Contact form(Access), it generates the autonumber on the form, which is then visible on the form itself. That form has several pulldown/pop-up boxes which are used to select criteria. One of the form buttons, the Add Comments button, once pushed, it brings up a Comments form. This Comments form references the autonumber that was generated on the Member Contact form in order to open itslef. The information is then entered into the Comments form and the form is then saved. All the selected information is saved to that record upon the saving of that form.
Now, my problem has to do with getting the identity number(SQL) to generate on the Member Contact form and also allowing the Comment form to open by referencing that generated identitynumber just like Access does without having to save the record first then coming back and adding a comment later.
Do anyone know if it is possible? If so, does anyone have any suggestions on how to generate a identitynumber before saving the entire record?
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Apr 26, 2008
Hi Friends,
I have a existing table named as activity, and have the column like ID,Description. I want to add the Identity for the ID column using script only.. Have any ideas how to do in sql query analyser?
Thanks in Advance
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Jan 25, 2006
Rao Aregaddan writes "Hi All,
Here is my Query.....
While executing the following code,it is showing some warnings.
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
SET ANSI_WARNINGS ON
GO
Drop procedure [DBO].[Usp_Extract_OLAP_Data_1]
GO
Create Procedure [DBO].[Usp_Extract_OLAP_Data_1] as
begin
IF EXISTS (SELECT * FROM DBO.SYSOBJECTS WHERE ID = OBJECT_ID('[DBO].[processed_olap_data_1]') AND OBJECTPROPERTY(ID, N'ISUSERTABLE') = 1)
DROP TABLE [DBO].[processed_olap_data_1]
select * into dbo.processed_olap_data_1 from pubs.dbo.processed_olap_data_1
EXEC ('ALTER TABLE dbo.processed_olap_data_1 ADD generatedid INT IDENTITY')
select * from processed_olap_data_1 order by generatedid
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO
SET ANSI_WARNINGS OFF
GO
Out Put is as follows
----------------------
(141 row(s) affected)
(141 row(s) affected)
Warning: The table 'processed_olap_data_1' has been created but its maximum row size (3873071) exceeds the maximum number of bytes per row (8060). INSERT or UPDATE of a row in this table will fail if the resulting row length exceeds 8060 bytes.
(141 row(s) affected)
Please guide me on this issue that why iam getting this warning even i set the ansi null and ansi warnings off.
one more thing is that is there any other way to add an
identity column with out using alter statement.and is there any problem with front end guys if it shows like this warnings..."
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Nov 23, 2005
Hi,In my stored procedure I'm doing a SELECT onINFORMATION_SCHEMA.TABLE_CONSTRAINTS. However there is no unique id onthis table, so I was wondering if it was possible to add it dynamicallyin my SELECT, so that I would assign a unique id to each recordreturned by my SELECT?Thanks for your support.
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Jul 20, 2005
I've got a table with 36+ million rows. I've been asked to modify thetable and add in an identity column. The code I used caused SQL tolock up and it maxed out the log files. :)The code I used is:Begin TransactionAlter Table ODS_DAILY_SALES_POSADD ODS_DAILY_SALES_POS_ID BigInt NOT NULL IDENTITY (1,1)CommitIs there a way to break up the code? Maybe only do a few millionrecords at a time? Or is there a way to do this without lockinganything up?Thanks,Jennifer
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Apr 25, 2007
I'd created a dataform from a table stored in a SQL database, after that I changed the primary key field to be an identity, refreshed the dataset but when I execute the program, it raises an exception when I try to save the record after adding a new one asking me for the value of this field. What can I do to be sure it will be created automatically?
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Dec 28, 2006
I am attempting to add additional fields and data to the default users database that is created as a result of enabling roles on my website. Is it possible to add additional data fields to this file? Where can I find the commands to do this?
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Apr 11, 2006
EX: I have a table for products, and each product has a quantity. How can I add up the QTY field in all the rows to find out the total QTY of all the products.Any help would be greatly appreciated.gkc
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Oct 27, 2000
Can I add a description to a table or field? The way access gives you to add a description to a field.
Thanks!
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May 19, 2006
I need help to add new fields in Transaction replication & also want to know how it will be replicated to Subscriber.
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Aug 18, 2004
We have three fields in a table: firstname, Surname & Organisation. Firstname & surname will always be filled but in most cases organisation is NULL.
Part of what these fields will be used for is a mailshot. If there is no organisation data then the mailshot will open with 'Dear Firstname Surname, ' but if the organisation is present they would like 'Dear Organisation'.
Is it possible to create a select state that checks the organisation field, and if a value is present return that value else return the firstname, surname combination? I have tried various things but I cannot get it to work.
I know the ideal situation would be to do this type of condition check at scripting level (PHP, ASP, Visual Basic) but my bosses would like to try it at SQL level.
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Apr 5, 2004
This is driving me crazy! The SQL Statement refenced is shown at the end of this email.
When I try and run the statement, an error is raised saying that Undrawn_GT5MIL_LE365Days is invalid (likewise for Undrawn_LE5MIL_LE365Days). From what I can gather, it is saying that I cannot include a User Defined variable in another argument. This is unlike Access. Any suggestions?
SQL View.......
SELECT TOP 100 PERCENT QRY_FacNew_Term.Category, QRY_FacNew_Term.Fac_No, QRY_FacNew_Term.Client_Number, QRY_FacNew_Term.Client_Name,
Undrawn_GT5MIL_LE365Days = CASE WHEN Undrawn_CDN >= 5000000 AND Term <= 365 THEN Undrawn_CDN ELSE 0 END,
Undrawn_GT5MIL_GT365Days = CASE WHEN (Undrawn_CDN >= 5000000 AND Term > 365) OR
(Cr_Limit_CDN IN (0, 1)) THEN Undrawn_CDN ELSE 0 END, [Undrawn_GT5MIL_LE365Days]+[Undrawn_GT5MIL_GT365Days] AS Total
FROM dbo.QRY_FacNew_Term
WHERE (Exclude <> 'Y')
ORDER BY Category, Client_Name
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Jun 1, 2007
hi,
i have a DB and it has some tables that the tables has related link (diagram).now when i wanna to change a table's field , the Sql Server errors that the table is not empty.when i try to delete the table's content , Sql server errors that the table is use a relation with another table.
so can i change a table's structure?
by the way before i forget , the Sql Server's error is below:
'UserManagement' table
- Unable to modify table.
ALTER TABLE only allows columns to be added that can contain nulls, or have a DEFAULT definition specified, or the column being added is an identity or timestamp column, or alternatively if none of the previous conditions are satisfied the table must be empty to allow addition of this column. Column 'isadmin' cannot be added to non-empty table 'UserManagement' because it does not satisfy these conditions.
thanks,
M.H.H
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Jul 23, 2005
How can I create a script that updates a table with new fields withoutlosing the data in the table (i.e., without dropping and recreating thetable)?Thanks.
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May 13, 1999
Most of the tables in my database are implemented with IDENTITY columns as the primary key.
When an INSERT from my application is attempted, sometimes I get an error returned stating that insert
cannot be done because of duplicate key value. If I try the INSERT again, sometimes it works(??). Of course,
DBCC CHECKIDENT resets the identity value if trying the INSERT again doesn't work. Then sometime a little later, the problem happens again.
Is there anything I can do other than placing into my application code the execution of dbcc checkident
anytime I want to do an insert to prevent the error? By the way, DBCC CHECKDB revealed no problems.
HELP!
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Mar 8, 2004
Hello,
I am relativley new to SQL and have a question about identity fields.
I am creating a script to run everynight to insert records into a support table in a database. one of the fields is a identity field that is updated everytime a record is added locally or over the web.
Some records that are added into the database locally by users do not get added into theis support table, but so those new people entered in can use the website a entry must be added to this support table.
I am working on a script to take the records that where added by users and automatically put them in every night using a basic schedueled job.
The identy number is updated everynight in a table that collects all the important identiy numbers. I would like to use this table to alter the seed value and then increment by one every time a new record is added. This is my only sticking point so far.
Any help would be greatly appreciated.
Kenn Brown
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May 12, 2007
Hi,
I am trying to replicate our application database (SQL server 2005) using transactional replication to another server. What I did was, took a backup of the live database and restored in backup server with same name. Then did a transactional replication. Issue is we have few tables having Identity columns defined as primary keys and 'Not for Replication' option of these tables is 'NO'. But once published, this becomes 'Yes' and also replication failed showing an error as
Explicit value must be specified for identity column in table <table name> either when IDENTITY_INSERT is set to ON or when a replication user is inserting into a NOT FOR REPLICATION identity column.
In the table article, for the parameter 'Action If name is in use', I have selected 'Drop the existing object and create a new one' (Also tried another option 'Delete Data'). How to resolve these issues.
Thanks in Advance,
Eldho Abraham
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Sep 27, 2006
I have a table used by multiple applications. One column is an Identify field and is also used as a Primary key. What isare the best practices to use get the identity value returned after an INSERT made by my code.. I'm worried that if someone does an INSERT into the same table a "zillionth" of a second later than I did, that I could get their Identity value.
TIA,
Barkingdog
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Jul 3, 1999
I need to add a column that has the datatype of integer with a seed and identity increment to a table that already exists and has data in it - and can't all NULLs. I have heard that this not possible if the table already exists.
I have downloaded the demo's of SQL Programmer and a couple of Embarcadero programs to see if that would help, but have had no succes to date.
Thanks for any help,
Alan
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Apr 28, 2008
I'm using VS2008 (as shipped with SQL CE 3.5 as shipped).
I want to write a database app and started with a quite simple example:
One table "Master" has 2 columns: int MasterID, int Value (where the MasterID is the primary key and is an identity column.
For the GUI I used the typed dataset components (based on the namespace: System.Data.SqlServerCe) which were automatically generated by VS2008. I just dropped the table from the datasources view to a form and got a DataGridview, a Navigator and some DB components, quite fine so far.
When i run the app i can add new rows and the identity column is filled with -1, -2 ... as expected. When I hit the save button, the rows are saved to DB, but the values of the identity columns are not updated (the still have -1, -2..)
When I use the exact same example with SQL Express evrything works fine: the identity Column's values are updated automatically and have +1, +2, ...
Sure there is a statement "SELECT @@IDENTITY"... but I'm just using automated code so far, and i expect that code to work (automatically). Next problem: if i want to insert that "Select @@identity" stuff (I don't want to do that, but perhaps I have to?) where can I do this, I did not found a OnInsertedRow-Event?
This problem is part of a bigger one: I want to use Master/Detail, but inserting the Details fails because the inserting of the master rows didn't return the correct Indentity values, so the detail rows cannot be inserted (the foreign keys -1, -2... will raise an error).
thanks in advance, Bernd.
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Sep 11, 2006
I removed all constraints in order to load a bunch of data into a table, now I'm wondering if I can add an identity column to this table which does contain data or if I have to create a new table with the identity column and insert the data into that.
thx
Kat
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Aug 13, 2004
I have an existing table which has about 70 columns with 3 million rows in it. I was asked to add additional 50 new columns into the table. I have tried to add them in through the Enterprise manager design table but experiencing some problems. The adding process seemed never going to be end. Is there any good efficient way to do it??? I appreciate the help!
J8
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Jan 4, 2007
hi,
I've done Googling and forum hunting but haven't had success finding a simple answer... My table schema is such that it requires the (int) LinkedItemID field to be nullable but still those fields which are set must not be duplicates. I see constraint is out of question and also identity doesn't seem to fit since I'm not using autofill for this particular field. Is there some other way doing this on Sql Server 2005?
Thank you.
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