>>>Hi,
>>>
>>>What would be the TSQL syntax to check if a column is set to be an Indenity column (Is Identity = Yes)? And if No, how to do set the column in Identity Yes in code?
>>>
>>>TIA
>>
>>Sys.columns has IsIdentity bit column, e.g.
>>
>>if exists (SELECT name, is_identity
>>FROM sys.columns
>>WHERE [object_id] = object_id('items')
>>and is_identity = 1)
>>
>>print 'Table Items has identity column'
>>
>>(If you know the column name, just check it using a similar script).
>>
>>If you want to make the column to be identity, you need to re-create the table (e.g. if you don't want to preserve current values, you can do
>>

>>select identity (int,1,1) as NewIdentityColumn, col1, col2, ... 
>>into myNewTable
>>from myTable

>
>I found an article by Pinal Dave where he shows a way to change the column into an Identity. Not very simple; requires creating temp table, etc. So I will do it in SSMS since I don't need to do it often.
>
>http://blog.sqlauthority.com/2009/05/03/sql-server-add-or-remove-identity-property-on-column/

Funny that I didn't check this article, but wrote the same script from the top of my head.