时间:2021-07-01 10:21:17 帮助过:12人阅读
OracleFunction 无 create or replace function get_userreturn varchar2 isResult_user varchar2(50);begin select username into Result_user from user_users;return Result_user;end get_user;drop function get_user调用:SQL var Re varchar2(50)SQL ;SQ
Oracle Function <无>create or replace function get_user return varchar2 is Result_user varchar2(50); begin select username into Result_user from user_users; return Result_user; end get_user; drop function get_user 调用: SQL> var Re varchar2(50) SQL> ; SQL> exec :re:=get_user; PL/SQL procedure successfully completed Re --------- YPGJ
--oracle 存储过程的调用 declare Re varchar2(50); begin Re :=get_user(); dbms_output.put_line(Re); end; /// declare m number(6); begin dbms_output.put_line('请输入一个数字'); m := &x; dbms_output.put_line (m); end;