The existence or non-existence of the following in an Access database and how it is implemented, if any:

1-Supported Mandatory Policies?
2-Authorized negative?
3-Access control with regard to time and space constraints?
4-Recovery Non-Cascading Permissions?
5-Recover Cascading Permissions?
6-Supports separation of tasks?
7-Optional policy support?
8-What is the use of roles in ms access?...