set pagesize 0
set long 90000
set feedback off
set echo off
spool get_schema.sql
connect?? user_/pwd_@dev
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;