create user BUSM identified by BUSM;

grant connect,resource,dba to BUSM;  

grant select any table to BUSM;

grant delete any table to BUSM;

grant insert any table to BUSM;

grant update any table to BUSM;

grant execute any procedure to BUSM;

select 'drop table ' || table_name ||';'||chr(13)||chr(10) from user_tables;

select 'drop view ' || view_name||';'||chr(13)||chr(10) from user_views;

select 'drop sequence ' || sequence_name||';'||chr(13)||chr(10) from user_sequences;

select 'drop function ' || object_name||';'||chr(13)||chr(10) from user_objects where object_type='FUNCTION';

select 'drop procedure ' || object_name||';'||chr(13)||chr(10) from user_objects where object_type='PROCEDURE';

select 'drop package ' || object_name||';'||chr(13)||chr(10) from user_objects where object_type='PACKAGE';