Auto-incrementing A Field

Nov 9, 2006

I am porting a database from Informix to SQL Server 2000. Several fields in the informix database are specified as SERIAL, which means that they auto-increment auto-magically if you insert a 0 into them. Well...I was looking for an equivalent in SQL Server 2000, and thought I had found it in the IDENTITY column concept.

With further investigation into IDENTITY columns, however, I discovered that only one column per table can be given the IDENTITY property. Why is this? Is there a way around that? If not, is there another way to achieve this feature in SQL Server 2000? If not, any suggestions on how I can do it?

Thanks!

Lisa

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How To Set Up Auto Incrementing For A Field

Aug 10, 2006

 
I have a database table. I need to set a particular data field to allow for Auto Incrementing. Basically I need to set up the initial integer value to start at. Then to specify the amount to increment by.
What I have done so far is to right click on the field name in SQL Server 2005. Then, on the pop-up menu I select the menu option for properties.
When the properties are displayed I see some fields listed in dark grey but I am not able to edit these fields. In other words, if I try to type text in this field, nothing happens. The fields I am talking about are:
Identity Increment
Identity Seed
Is Identity
Does anyone know what the problem is? What do I have to do to edit these fields.
 

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Re:- Auto-incrementing An Alphanumeric Field

Jul 13, 2001

Hi

Everyone

I have a problem my table structure is like this

book_id varchar2(30)
book_name varchar2(30)


Now i want to enter the data into the fields like this

B001 Java Unleashed
B002 ASp Unleashed


and so on

So my Problemis how i will auto increment the book_id field though that is an alphanumeric field.

PLease help me that how i will insert and select from this table


Waiting for your help


Manish

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Aug 31, 2007



Hi,

If i were to replicate a database with another where in both the databases have an auto incrementing field. What could be the problems that's goin to arise out of it. How to deal with such a scenario...?????

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SQL Server 2012 :: Auto Incrementing Alphanumeric Field In Table

Oct 1, 2014

I need to auto increment an alphanumeric field in a table.

The process is as follows:

1. First position is static letter C for contact or static letter A for account - field contact_id
2. The following 6 positions are numeric - example of the string would be C004658
3. When new contact is entered, it should look up the highest numeric value (in this case 004658) and increment it by one - resulting in C004659

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Incrementing And Concatentating Non-Auto Incrementing Fields

Mar 11, 2008

My SQL table has the
following columns:













ID – Auto IncrementingNumber_of_Records – IntAccount_Number – Varchar
(Format 1234)Account_Number_Instance  – Varchar 
(Format e.g. 1234-01)Other_Field1Other_Field2…etc.



When the Account_Number was
initially inserted into the table, a Stored procedure (not written be me)  was used to concatenate the Account_Number
and Number_of_Records.  As a result
the  Account_Number_Instance became,
e.g. 1234-01, etc.



From the ASPX form we
retrieve each of the fields above, and based on the Number_of_Records an
appropriate number of records were inserted for the Account_Number. 

 

For Example:

 



Account_Number = 12345Number_of_Records = 4



The result inserted into the
table were as follows:



ID        # of Records            Acct_Number  
New_Num            Acct_Number_Instance   â€¦

1          4                                              12345                                     12345-01

2          4                                              12345                                     12345-02

3          4                                              12345                                     12345-03

4          4                                              12345                                     12345-04

 

Now, I would like to UPDATE
this table, and based on the original Number_of_ Records (4) I want to ADD, for
Account_Number (1234) add an appropriate Number_of_Instances, beginning with
the next incremental number and adding what the New Number of Records input is…




For Example:





            Account_Number = 12345            New_Num(ber_Of Records) = 3

ID        # of Records              Acct_Number    New_Num             Acct_Number_Instance   …

1          4                                              12345                                     12345-01

2          4                                              12345                                     12345-02

3          4                                              12345                                     12345-03

4          4                                              12345                                     12345-04

5                                                         12345             3                      12345-05

6                                                         12345             3                      12345-06

7                                                         12345             3                      12345-07

 

I
do realize that the next time I have to update this Account_Number I am also
going to have to somehow ADD only one of the #_of_Records and New_Num for the
Acct_Number instances to obtain the next starting number, which in the example
above would be (8)…



Any
and all suggestions on how to accomplish this would be greatly appreciated!

Thanks

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Nov 14, 2007

Hi

I'm using a insert into fuction kind of like below

INSERT INTO table1(

col1
col2
col3
col4
)
SELECT

col2
col3
col4

FROM ...............

I'd like to auto-increment col1 so it counts how many rows are being added


any help is very appreciated

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Aug 17, 2006

Here is a simplified version of my problem:
I am inserting data into a table using a stored procedure. The table has an identity column that increments with each insert. When I use erroneous data in the other fields the insert fails….no surprises there! But when the next insert occurs with valid data I find that my identity field has increased even with those inserts that failed, so my sequence has jumped a few numbers. How do I get the identity inserts to roll back if the rest of the data in a row doesn’t insert successfully?
Marcha x

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Feb 19, 2008

My Identity value column is not autoincrementing, its seed is set to 1, and increment set to 1.
yet when i click the auto generated 'Add New Record' button in the BindingNavigator control set (in a form where it is populated with databound text boxes), this Identity column is not auto incremented?


And if i try to write a value to this column, i get the error telling me this column cannot be written to. Yet if i do not write to it, then i get "This column does not allow nulls"

To load my data i am using:




Code Snippet
'clear dataset
Me.DsQuote.Clear()
'fill the datagrid with data from tblQuoteID
Me.TblQuoteIDTableAdapter.Fill(Me.DsQuote.tblQuoteID)






and to save data im using:




Code Snippet
Me.Validate()
'end data edit
Me.TblQuoteIDBindingSource.EndEdit()
'update the dataset with table data
Me.TblQuoteIDTableAdapter.Update(DsQuote.tblQuoteID)


anything im doing wrong? this data is being viewed in a datagrid btw.

cheers

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Feb 16, 2006

Hi,
I have an auto incrementing int column setup which serves as my unique primary key.  Just wondering what happens when the auto increment reaches the limit?  Will it recycle numbers from the begining (who's rows have obviously been deleted by this stage)?

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Generating Auto Incrementing No Using SQL Query

Sep 22, 2004

Hi everyone,

I am having a table with which i generate a report. Now how to using a SQL query i can generate a auto incrementing no.

Say i am executing this query

SELECT NAME,AGE,ADDRESS FROM MEMBER which gives

NAME AGE ADDRESS
HOLYMAC 13 MALACCA
HOLYCOW 25 USA
HOLYGOD 55 LONDON


Now how can i make it come out like this

SNO NAME AGE ADDRESS
1HOLYMAC 13 MALACCA
2HOLYCOW 25 USA
3HOLYGOD 55 LONDON

See the first column is a auto incrementing number 1,2,3.


How can I write a SQL QUERY that outputs a auto incrementing number.


Thank you
Have nice day

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Aug 10, 2006

Hi All,
I need to set up a kind of identity insert that gives an output in the format: 00001, 00002, 00003 etc. Is there a formatting option for this sort of output using normal identity insert features or do I need to write a function to insert these values (perhaps as text) each time a new record is created?
Sorry if this is really simple but it's only my 4th day in this job!
Marcha

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We have upgraded our SQL 2008 server to 2012 last month.  i've noted since then that many tables that have auto increment primary key bigint field increases by 1 like it should, then for some reason it jumps up by 1000 or even 10000?  i have seed adn auto increment set to 1 but doesnt effect it.  Is there anything that could be causing the next value to jump that much?

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Nov 11, 2005

hi there,
 i am new to sql server database.i am doing small projects right
now using asp.net and sql to create webpages (very basic webpages)
My problem is:

Problem :
 
   i have two tables .....table 1 and table 2.
                   
                   
                   
    Table 1 has following fields: studentid,student name,student address.
                                                               
Table 2 has following fields:studentid and course .
  table1 student id is the primary key refrencing table 2 student id.
Now i delete a record in table 1 which will in turn also get deleted in
table 2 . so for eg  if i have three records 1 ,2 and 3 ....then i
delete 2 in table 1 ...i will have 1 and 3 in both table 1 and table
2....now i want 3 to become 2 in both table 1 and table 2...so that i
dont have empty space between two student id's 1 and 3. so this is my
problem....if any one can help me out with suggestions please
do.  
                                                                                 
thank you all........
                                                                                                           
     ahmed_ind

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Apr 1, 2013

Along with the data that I am pulling back from query, I also need to provide an ImportID column with the following requirements:

YYMMDDGP0001, YYMMDDGP0002, YYMMDDGP0003, and so on. The 0001, 0002, and 0003 part could get big into the hundreds of thousands.

I have the YYMMDDGP part down with the following expression:

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Now I need to get the Auto Incrementing number part of this. I have been researching this trying SELECT INTO a temp table using the Identity Function and declaring different variables all with no luck.

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Jun 17, 2007

I need some help for designing the IDs / Primary keys for some master tables in my database. Following are master tables. Client_Master, Buyer_Master & Seller_Master; I want to set Client_Id, Buyer_Id & Seller_Id as their respective primary keys and they should have following properties

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Similarly::
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We are implementing the database in MS-SQL 2005 & MySQL

Can anyone help me find a solution to this, especially in MS-SQL.

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Mar 21, 2004

Hi

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Any ideas or help would really be appreciated, do I need to reference the id field in an activeX script?

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Hello,
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Hi

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Hi everyone. I'm a new user to ASP.NET using VB.NET and SQL Server.

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I have got an Insert query to store the orders in the 'Orders' table
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Also, this is a cold fusion application. Thanks!!

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