Desaster recovery
A disaster recovery plan is a set of policies and procedures designed to mitigate the damage of a disaster. Research some best practices for Disaster recovery. Discuss your findings.
Administrator right
A true database administrator has all rights and permissions on a database. Discuss the drawbacks of having just one administrator or the drawbacks of having several administrators.
Many-to-many relationships
What are many-to-many relationships and how are they resolved? Please provide specific examples. Use the internet to research the topic if you are unsure.