Oracle中存储过程传入表名学习

create or replace procedure p_deletetable(i_tableName in varchar2) 
as 
--定义变量存放动态的SQL语句
dynamic_drop_sql varchar2(500);
 begin 
dynamic_drop_sql :=  'DELETE  FROM ' || i_tableName ;
--执行动态SQL语句
 execute immediate dynamic_drop_sql;  
commit; 
end p_deletetable;

begin  
execute immediate 'create table a_bak_'||to_char(sysdate, 'yyyymmdd')||' as select * from a';  

end;