SQL>
SQL> SELECT ds.owner owner, table_owner,
2 SUBSTR(dc.table_type,1,6) table_type,
3 ds.table_name table_name, synonym_name
4 FROM dba_synonyms ds, user_catalog dc
5 WHERE ds.table_name = dc.table_name
6 and rownum < 50
7 ORDER BY ds.owner, table_owner, table_type, ds.table_name;
no rows selected
SQL>