删除oracle当前用户下的所有表、视图、过程的方法（转载）

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

--delete tables


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

--delete views


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

--delete seqs


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

--delete functions


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

--DELETE PROCEDURE


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

--delete pags

（转载至http://ado88.iteye.com/blog/430757）