oracle手動(dòng)調(diào)用存儲(chǔ)過(guò)程 oracle如何在函數(shù)中調(diào)用存儲(chǔ)過(guò)程?
oracle如何在函數(shù)中調(diào)用存儲(chǔ)過(guò)程?oracle 函數(shù)中能調(diào)用存儲(chǔ)過(guò)程,舉例如下:1、無(wú)參數(shù)存儲(chǔ)過(guò)程的調(diào)用--創(chuàng)建無(wú)參存儲(chǔ)過(guò)程CREATE OR REPLACE FUNCTION stu_proc
oracle如何在函數(shù)中調(diào)用存儲(chǔ)過(guò)程?
oracle 函數(shù)中能調(diào)用存儲(chǔ)過(guò)程,舉例如下:
1、無(wú)參數(shù)存儲(chǔ)過(guò)程的調(diào)用
--創(chuàng)建無(wú)參存儲(chǔ)過(guò)程CREATE OR REPLACE FUNCTION stu_proc RETURN VARCHAR2 IS --聲明語(yǔ)句段 v_name varchar2(20)BEGIN --執(zhí)行語(yǔ)句段 SELECT o.sname INTO v_name FROM student o where o.id=1 RETURN v_nameEND--調(diào)用無(wú)參存儲(chǔ)過(guò)程DECLARE BEGIN DBMS_OUTPUT.put_line("在PL/SQL中打印的結(jié)果:"||stu_proc)END
2、入?yún)⒋鎯?chǔ)過(guò)程的調(diào)用
--創(chuàng)建入?yún)⒋鎯?chǔ)過(guò)程CREATE OR REPLACE FUNCTION stu_proc(v_id IN NUMBER) RETURN VARCHAR2 IS --聲明語(yǔ)句段 v_name varchar2(20)BEGIN --執(zhí)行語(yǔ)句段 SELECT o.sname INTO v_name FROM student o where o.id=v_id RETURN v_nameEND--調(diào)用入?yún)⒋鎯?chǔ)過(guò)程DECLARE BEGIN DBMS_OUTPUT.put_line("在PL/SQL中打印的結(jié)果:"||stu_proc(1))END