>>>>I've looked at Help on ALTER TABLE and I don't see if it requires exclusive access or not.
>>>
>>>Yes it is
>>>
>>
>>Is there any other way to change the structure of the existing table?
>
>Nope, you are changing the table structure :-) not a value of the field.
Yes, thanks - for a minute I thought there may be way around it. BTW, how can we set (check) for the default value of the field?
If it's not broken, fix it until it is.
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