oracle 创建用户并赋权 清空用户表

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';