AUDIT
  { POLICY policy
    [ { BY user [, user]... } | { EXCEPT user [, user]... } ]
    [ WHENEVER [ NOT ] SUCCESSFUL ]
  }
  |
  { CONTEXT NAMESPACE namespace ATTRIBUTES attribute [, attribute ]...
      [, CONTEXT NAMESPACE namespace ATTRIBUTES attribute [, attribute ]... ]...
    [ BY user [, user]... ]
  } ;