<revoke_statement>
::=
REVOKE <priv_spec>,...
FROM <grantee>,...
[<cascade_option>]
| REVOKE <schema_priv_spec>
FROM <grantee>,...
| REVOKE EXECUTE ON <dbproc_name>
FROM <grantee>,...
| REVOKE EXECUTE ON <dbfunction_name>
FROM <grantee>,...
| REVOKE SELECT ON <sequence_name>
FROM <grantee>,... [<cascade_option>]