System and method for authorizing access to an entity by a user, by
binding an access control list to each entity; specifying for the user a
set of user privileges; intersecting the access control list and set of
user privileges in a compiled ACL table; incrementally refreshing the
compiled ACL table responsive to run time modification of relevant tables
containing the access control list and set of user privileges; and
referencing the compiled access control list to authorize a user request
to access an entity.