Oracle删除当前用户下的所有表、视图、序列、函数、存储过程、包

--delete tables 

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

--delete views 

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

--delete seqs 

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

--delete functions 

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

--delete procedure 

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

--delete package 

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