I tried to list all tables under user schema use "dbms_metadata.get_ddl" but fail. Does anyone know how to do it? SQL> select dbms_metadata.get_ddl( 'TABLE',,'USER1') from dual; select dbms_metadata.get_ddl( 'TABLE',,'USER1') from dual * ERROR at line 1: ORA-00936: missing expression Thanks. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- //www.freelists.org/webpage/oracle-l