{ DEFAULT EDITION = edition_name | SET DEFAULT { BIGFILE | SMALLFILE } TABLESPACE | DEFAULT TABLESPACE tablespace | DEFAULT TEMPORARY TABLESPACE { tablespace | tablespace_group_name } | RENAME GLOBAL_NAME TO database.domain [.domain ]... | ENABLE BLOCK CHANGE TRACKING [ USING FILE 'filename' [ REUSE ] ] | DISABLE BLOCK CHANGE TRACKING | [NO] FORCE FULL DATABASE CACHING | flashback_mode_clause | set_time_zone_clause }