Previleges

• Database security :
  - System security
  - Data Security
  
  
• DBA : A high-level user
  - creates users
  - grants users access to the database and object
  
  
• USER
  - Require system privileges to gain access to the database
  - Require database privilege to manipulate the content of the objects in the database.
  - Can be given the privilege to grant additional privilegs to other users or to roles.
  
  
• Schemas : A collection of objects