To ensure that users see only the data that is relevant to them, you can apply a combination of permissions and restrictions. These two methods work together to provide a very fine grained level of control. Restrictions can be applied to users or databases, or both.  

Example: The screen below shows restrictions on a Sales database. 

When a user is added to Phocas, they automatically see a home screen but can not view any underlying data until given access to a database.

How to use restrictions