摘要：
-- 表create table test (names varchar2(12),dates date,num int,dou double);-- 视图create or replace view vi_test asselect * from test;-- 同义词create or replace synonym aafor dbusrcard001.aa;-- 存储过程create or replace produce dd(v_id in employee.empoy_id%type)asbegin end-- 存储函数create or replace function ee(v 阅读全文