One user or more...

Hi,
Hi, we have an application in .NET -> Oracle and I want to know that he is more optimal
One schema and all users of application connected like this one
One schema for each user of application
Thank's

It may depend on access rights you want to give to your users . If all users have the same rights, then you might choose one schema only, and all users connect to that one, otherwise you should create a schema owner of all application objects, and other schemas, one for each user, or only few schemas, grouped by privileges.
Of course the first solution is the easiest one, in any other case you have to create roles, grant privileges, create synonyms, and so on.

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