. System privilege:Enables users to perform particular actions in the database
. Object:Enables users to access and manipulate a specific object
. There is no CREATE INDEX privilege.
. CREATE TABLE includes the CREATE INDEX and the ANALYZE commands. The user
  must have a quota for the tablespace or must have been granted UNLIMITE TABLESPACE.
. Privileges such as CREATE TABLE, CREATE PROCEDURE, or CREATE CLUSTER include the dropping of these objects.
. UNLIMITED TABLESPACE cannot be granted to a role.
. For truncating a table in another schema, the DROP ANY TABLE privilege is necessary.