Re: Getting the value that was generated using the IDENTITY property

From: Aaron Bertrand - MVP (aaron_at_TRASHaspfaq.com)
Date: 05/04/04 

Date: Tue, 4 May 2004 10:25:07 -0400

Look at SCOPE_IDENTITY() in Books Online.

(This assumes you are using SQL Server 2000, you forgot to tell us which
version you have.) 

-- 
Aaron Bertrand
SQL Server MVP
http://www.aspfaq.com/
"Novice" <6tc1ATqlinkDOTqueensuDOTca> wrote in message
news:848C9E3F-4246-41D1-84BB-77D254531943@microsoft.com...
> Hi all, I've just created a DBMS using the IDENTITY property for the
primary key in a bunch of my tables.
>
> Now I'm writing the data layer to my application and am a little confused
as to how I get the primary key for a record/row that I just inserted.
>
> I mean here is a simplified version of my DB:
> ------------------------------------------------
> CREATE TABLE another_table
> (
>   id_num int IDENTITY(1, 1),
>   some_data ntext
> )
>
> CREATE TABLE new_employees
> (
>  id_num int IDENTITY(1,1),
>  fname varchar (20),
>  minit char(1),
>  lname varchar(30)
>  link_to_another_table int FOREIGN KEY REFERENCES another_table(UID)
>                 ON DELETE NO ACTION
> )
>
> INSERT another_table
>    (some_data)
> VALUES
>    ('This is some data I put here')
>
> INSERT new_employees
>    (fname, minit, lname)
> VALUES
>    ('Karin', 'F', 'Josephs', ???????)
> ------------------------------------------------
> I mean obviously in this scenario I know that the value of the key will be
1 since I just created the table (and I've told it to start at 1 and
increment by 1).  But when I create the data layer in the application
(ADO.NET) is there some way to get the value of that id_num in the table
name "another_table" without using a SELECT statement?
>
> I guess what I'm really asking is if there is a way to do this:
> ------------------------------------------------
> INSERT another_table
>    (some_data)
> VALUES
>    ('This is some data I put here')
> ------------------------------------------------
> and to have the value of id_num returned (as if from a function that
returns an int value).
>
> Thanks,
> Novice

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