set serveroutput on declare pename emp.ename%type; psal emp.sal%type; begin select ename,sal into pename,psal from emp where empno=7839; dbms_output.put_line(pename||‘的薪水是‘||psal); end; /
plsql 引用型变量
原文：https://www.cnblogs.com/wangchuanfu/p/10963838.html
