CREATE OR REPLACE PACKAGE temp_package_demo is v_demo NUMBER(3); PROCEDURE p_demo_1(userid NUMBER DEFAULT v_demo, SAL number); FUNCTION f_demo(userid NUMBER) RETURN BOOLEAN; END temp_package_demo;
Oracle PLSQL Demo - 11.定义包头[Define PACKAGE]
原文：http://www.cnblogs.com/nick-huang/p/4609082.html