create or replace procedure add_region(p_phone_num in out varchar2) as begin p_phone_num :='021-'||p_phone_num; end; /** ----------执行 declare v_phone_num varchar2(15); begin v_phone_num := '39117380'; add_region(v_phone_num); dbms_output.put_line('new phone is:'||v_phone_num); end; */
存储过程-声明参数并输出
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转载自minyongcheng.iteye.com/blog/1779050
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