测试环境: create table bqh6 (xm varchar2(10),bmbh number(2),bmmc varchar2(15),gz int);insert into bqh6 values ('张三',01,'技术支持',3500);insert into bqh6 values ('李四',02,'研发',4500);insert into bqh6 values ('王五',03,'外业测绘',5000);insert into bqh6 values ('小崔',02