SQL Identity Seed
Nov 5, 2003
Hello-
I am auto generating an id when a record is input into my database.
I know how to set the id field to create an identity seed for each new entry with an increment of 1.
Is there anyway to add characters to begining of this identity seed. Can it only be an integer.
For example I would like my id field to be in the following format:
NCID - 1
NCID - 2
.
.
.
.
Can anyone show me how to do this if possible?
Thanks
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Dec 11, 2007
Hi guys,Please is it possible in SQL SERVER any version (Prefferably 2005) to set my Identity seed to the current year so that when we are in 2008 it continues from 2008 ?
Best Regards
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Nov 9, 2000
I have a table with an identity seed in it. I need to go back and get some history that wasn't loaded into it. I would then like to resequence the identity column. Is this possible? Can I use the dbcc checkident? or will this just start any future inserts with the number I specify. I would like to reseed the whole file when I'm done starting with 1 and going forward is this possible with this command.
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Oct 12, 2000
Is there a way to drop the seed or sequence and recreate it? Thank you very much.
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Sep 17, 1999
How can i reset the identity seed of a counter field to 1 after deleting
records from a table. Even though the identity seed displays 1 in the design
mode, when i add another record the counter field is incremented to the next
number from the last deleted record.
thanks
Todd Minifie
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Sep 15, 2006
hello there
Just a quick question. (sql 2000)
Can you have and auto increment identity seed for a table that always ends with say a predefined Letter?
i.e.
1a , 2a, 3a, 4a, 5a, etc...
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Jul 20, 2005
Can I change the value of a column's identity seed programmatically? Ifso, how?Thanks in advance.
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Jan 9, 2004
Because of testing and deletion, my table of user groups starts at 15 or so. Now I want to insert a group for administrators but I would like to have the groupID be 1. I tried to turn off the identity seed property and insert it manually but that didn't work.
Is there any way to do this?
Thanks, Dave
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Aug 26, 2005
Hello,
Can I reset the IDENTITY seed of a Table column without delete/drop the table?
I want to delete all the table rows, restore de seed, and restore a
backup made on a XML (using SET IDENTITY_INSERT Table ON)
I cant drop the table due to acount restricctions.
regards,
Edu
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Jan 27, 2003
Hi,
I have a table which has a field called x which is set to identity with seed 1 and incerement 1.
Currently the table has 100 records so the last value of x is 100.
I would like to adavnce the seed number to be 1000, so that the next insert into the table will be 1001...
This is possible to do through the Enterprise manager, but I would like a script to do it.
Does anyone know where such a script exists?
What I actually need is a script that creates a CREATE TABLE Statement for the table (including all info - columns,indexes etc...).
thanks
Moshe
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Jun 1, 1999
I would like to set the identity seed to a different value. How do I do that? Please help!
Sam
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Apr 4, 2008
Hi ..
I have an issue here. I create a DB and some tables through a script in SQL Server. I have lot of tables in DB and quite a lot have identity columns with seed set to 1 and increment set to 1. The scripts executed fine and all the tables created. Now when I do the first insert records into the tables the identity column associated starts with 0 even though the seed is set at 1. Its the case with all the tables where the identity column are set. The first records into all these tables starts with 0 for all the identity columns.
I could'nt figure out what is causing this issue ..
Any fix for the issue ..
thanx in advance
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Apr 4, 2008
Hi ..
I have an issue here. I create a DB and some tables through a script in SQL Server. I have lot of tables in DB and quite a lot have identity columns with seed set to 1 and increment set to 1. The scripts executed fine and all the tables created. Now when I do the first insert records into the tables the identity column associated starts with 0 even though the seed is set at 1. Its the case with all the tables where the identity column are set. The first records into all these tables starts with 0 for all the identity columns.
I could'nt figure out what is causing this issue ..
Any fix for the issue ..
thanx
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Aug 25, 2005
Iam trying to add a column to an existing table that would be an "identifier". I called it "ReadingNumber" and selected Identity "Yes" and "Identity increment" as 1.
When I add it, it just gives the rows random numbers instead of by the order they were inserted into the database by.....is there a way to autonumber the columns correctly? I have a COLUMN called Date and also one called Time that have the date and Time, but the format is char.
Would I have to convert the date time columns into something SQL understands, sort them ASC or DESC and then do the Identity column add?
Thanks for any help
Edited
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May 15, 2006
My client has a need for the auto identity field to be 6 digits in length starting with the number 001000. They want the leading 0's preserved since this will be a casenumber. Even if I set the identity seed to 001000 it gets rid of the leading 0's. How can I get it to keep those?
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Feb 16, 2004
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.
Thanks
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Mar 22, 1999
I'm trying to have an identity column seed value specified with a local variable value as follows, however it
doesn't allow me to do it (Says cannot use a variable name for a seed value).
Any ideas or suggestions?
DECLARE @idvalue int
SELECT @idvalue = max(accountid) + 1
FROM account
CREATE TABLE accounttemp
(Accountid int IDENTITY(@idvalue,1),
name char(10),
address char(10))
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Oct 1, 1998
I have created a table that generates a sequential id and a
stored procedure that will return that id. The trouble is
no matter what I set the Seed or Increment values to, the
id will always start with #1 and increment by 1.
My table is BILLING_TIME_ID
Identity field BT_GEN_ID
(SEED 200, INCREMENT 1)
The sp is as follows:
CREATE PROCEDURE BT_NEXT_ID
AS
INSERT dbo.BILLING_TIME_ID DEFAULT VALUES
select count (*) from dbo.BILLING_TIME_ID
GO
I have double checked that Identity_Insert is set to off for
this table. (does this default to off unless it is set to on?) Since
there is only 1 field in the table, I don`t have any indexes set.
Thanks for your help!
Toni
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Aug 8, 2007
Sever: sql 2000
Replication: Merge
Issue:
I am having an issue with my audit table, This table is filled by Triggers on various tables through the database. All triggers are defied with "not for replication"
I have allocated 500k ranges, with 80% threshold to the publisher and subscriber databases for this table. The table only holds 225,000 records.
From time to time I get the following error "The identity range managed by replication is full and must be updated by a replication agent. The INSERT conflict occurred in database 'PublicationName', table 'AuditHistory', column 'AuditID'. Sp_adjustpublisheridentityrange can be called to get a new identity range."
When I looked into the issue yesterday I noticed that the identity range being used by replication was 334300001 -> 334799999, however the maximum value in the table was 334300096, meaning that only 95 records were inserted, which means it is no where near the 80% threshold.
Somehow the identity seed on the AuditHistory table had been changed to 334800104, which is outside the allowable range.
My question is what could cause the identity seed to get set to such a high number??
any thoughts would be great!
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Feb 16, 2004
I'm using a stored procedure to create a table in sql 2000. One of the columns is an identity column. I need to set the seed to a max(number) from a column in another table, this column is not an identity column and can't be changed into one. I've been trying to set the seed by passing a variable. I continue to get errors so either I've got the syntax wrong or it's not possible to set the seed via a variable. Any words of wisdom would be appreciated.
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May 9, 2008
Hi,
I've just recently learned that being an identity seed-column doesn't guarantee that you will always get unique values. It can double up and cause a violation of PK. If so, is there a work around this that doesn't involve a REINDEX? Cause if im home and my client suddenly experiences this in the middle of a busy day, that would be a total disaster. Any ideas on how i can avoid this or a workaround maybe? Thanks!
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Aug 10, 2001
I am attempting to import data from a Lotus Notes database using DTS. The SQL table I am importing to has an identifying auto-number. I can't insert directly into it because the SQL server should, however I get an error if I ignore it in the DTS package. Is there any way to get around this?
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Mar 16, 2004
Hi all,
I've been thrown a curve ball late in the game on an application I'm developing. Without getting into the specifics of the application I store a unique employee ID number for all person records in it. This ID is provided to us by the companies we're servicing. Up until this point in time we didn't have need of an externally visable ID other than the one provided to us. Now, a need for an internally generated (by our application) unique ID has been discovered. This number needs to be a minimum 5 digits (e.x. 10001, 10002, ....). I could achieve this nicely by seeding an identity column at 10000 with an increment of 1. However, I've alredy made different settings for this and there are records in the db with the old ones.
My question is: If I initially set the seed / increment at 1/1 can I change this after the fact without causing data integrity problems. Will all subsequent insertions into this table just start at the new values?
Or, ideally I'd like to create a new column seperate from the PK Identity column already in place that serves the same function, incrementing a 5 digit number by 1 for each new record. Seems that you're only allowed one identity column per table though. Is there another way to achieve get the same result as identity?
Thanks!
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Sep 5, 2007
Dear Sir,
the following code is copied from the SQL Server Help Example.
CREATE TABLE MyCustomers2 (CustID INTEGER IDENTITY (100,1) PRIMARY KEY, CompanyName NvarChar (50))
INSERT INTO MyCustomers2 (CompanyName) VALUES ('A. Datum Corporation')
ALTER TABLE MyCustomers2 ALTER COLUMN CustId IDENTITY (200, 2)
It gives the following error.
Msg 156, Level 15, State 1, Line 3
Incorrect syntax near the keyword 'IDENTITY'
Can U please guide me abt the error.
with regards,
wilfi
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Jul 23, 2005
Need help on the Auto Number or Identity Seed on the Oracle DatabaseI got an Access database that need to be converted to Oracle 9i.Somehow the Trigger we created to simulate the "AUTO NUMBER" on Accesscould not create the sequence number as soon as the value has beeninserted. The sequence number can only be created after we go to thesecond line. Please see the trigger below.Is there anyway we could create a trigger that could create thesequence number as soon as we enter a value? It should be verysimilar to the "Auto Number" on Access, or "Identity Seed" on SQLServer.----------------------------------------------------------1. sequence SNP.SECTION_ID_SQ:CREATE SEQUENCE SNP.SECTION_ID_SQSTART WITH 1INCREMENT BY 1NOMINVALUENOMAXVALUENOCYCLECACHE 20NOORDER/GRANT SELECT ON SNP.SECTION_ID_SQ TO "PUBLIC"/2. Trigger SNP.SNP001_T_I_GET_NEXT_SECTION_ID:CREATE OR REPLACE TRIGGER SNP.SNP001_T_I_GET_NEXT_SECTION_IDBEFORE INSERTON SNP.SNP001_SECTIONREFERENCING OLD AS OLD NEW AS NEWFOR EACH ROW WHEN (new.section_id IS NULL)BEGINSELECT section_id_sq.nextvalINTO :new.section_idFROM dual;END;
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Aug 9, 2007
I have a set of staging tables that need to be used to update a hierarchy of tables with foreign keys between them, and identity columns for the primary keys. One way I'm thinking of doing this is to reset the identity seed on the target tables based on the number of rows I have in the staging tables, then to update the staging tables keys to match the vacated range of identity values. I'd insert them with SET IDENTITY_INSERT ON.
The question is: can this be done atomically? It seems that DBCC CHECKIDENT will return the current identity value, but can only change the seed to an absolute value. That would require that I get the current value, add "n" to it, then set the seed value. This would seem to be non-atomic, in that a new row could be inserted between the time I find the "current" value and the time I set the new value.
Does anyone know of a way to pre-allocate a block of identity values atomically? This has to be done in a live OLTB database.
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Jan 9, 2015
We just switched from Sql server 2008R2 to Sql server 2012.I am facing one problem with identity Columns "When ever i restarts my sql server,the seed value for each identity column is increased by 1000 (For int identity column it is 1000 and for big int it is 10000).
"For Example if seed value of any table was 3 then after restarting sql server will be 1003 if i again restart sql server it will be 2003 and so on."
After searching on google i found that it is a new feature (don't know what is use of it) in sql server 2012 and having only two solution if you want old identity concept
1. Use sequence object -
a) I am using same database in sql server 2008 and 2012 both so can't use sequence in 2008.
b) if i go with sequence then need not change save procedure for each table,which is bulky task for us.
2. Use Trace Flag 272 (-T272)
I can go with this solution because there is need not do any changes in my application.Some one suggested me that add -T272 in startup parameter,after this sql server identity column will work normal as previous version.I did the same but it is not working.
I don't want to do any changes in my database structure.
how to use this -T272 or why it is not working.
I don't want to use this new identity feature how to suppress it. Why -T272 is not working.
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Dec 17, 2004
Hello, everyone:
I got a new database from client. How to check which tables are seed table and truncatable? Thanks
ZYT
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Sep 10, 2007
I'm still in the development stage and am frequently deleting all data from all tables and then filling those tables anew. However, the increment seed for identifying fields doesn't reset to 1 (or 0--not sure which). While not important for operation of the database, I would prefer that the field identifiers start with 1 when I am ready to release the database for operation. Is there a way to do this?
I can generate scripts to rebuild the database structure to do this, but scripts aren't generated for database diagrams and the graphical representation of the table structure is very useful.
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Mar 30, 2000
I am working with Microsoft Search on SQL 7.0 and the catalog will not populate properly. The NT event log says "Unable to access crawl seed. The operation timed out." Has anyone run into this before? I have been able to duplicate this problem on two boxes. Question 2: Is Microsoft Search stable at all?
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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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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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