<object_spec> ::=
  COLUMN <table_name>.<column_name>
| DBPROC[EDURE] <dbproc_name>
| DOMAIN <domain_name>
| FOREIGN KEY <table_name>.<referential_constraint_name>
| INDEX <index_name> ON <table_name>
| SEQUENCE <sequence_name>
| [PUBLIC] SYNONYM <synonym_name>
| TABLE <table_name>
| TRIGGER <trigger_name>.<table_name>
| USER <user_name>
| USERGROUP <usergroup_name>
| <parameter_name>