set pagesize 0
set long 90000
set feedback off
set echo off
spool get_allddl.sql
connect USERNAME/PASSWORD@SID;
SELECT DBMS_METADATA.GET_DDL('TABLE',u.table_name)
FROM USER_TABLES u;
SELECT DBMS_METADATA.GET_DDL('INDEX',u.index_name)
FROM USER_INDEXES u;
spool off;
注：本方法僅限oracle9i以后版本