Hi,

I have a table with 1000000 records i try to add a field with following`spec.

[mkey] [int] IDENTITY(1,1) NOT NULL

I get the following meassage:-

yearly' table
- Saving Definition Changes to tables with large amounts of data could take a considerable amount of time. While changes are being saved, table data will not be accessible.

Then I Have the following error:-
Time out error

regards