Hi,

it depends on what you are trying to do. If you are modifying metadata
of objects that are in use, you wont be able to make changes.
if you're adding new objects, you will not have a problem.

- Sofija

On 6.8.2012 14:16, Aldo Caruso wrote:
>
> Hi,
>
> Normally, when I make a modificacion to the metadata ( DDL ) I shut
> down the database because it is not clear to me what happens if I alter
> a table or a stored procedure while it is being used or invoked by
> another user.
> Is it actually necessary to shut down the database in order to do
> metadata changes in a production environment ?
>
> Thanks in advance,
> Aldo Caruso
>
>



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