数据库中有张表1:DEPARTMENT(DEPARTMENTID NUMBER(5), DEPARTMENTNAME VARCHAR2(10)),存储数据如下: 数据库中有张表1:DEPARTMENT(DEPARTMENTID NUMBER(5), DEP
数据库中有张表1:DEPARTMENT(DEPARTMENTID NUMBER(5), DEPARTMENTNAME VARCHAR2(10)),存储数据如下: 数据库中有张表1:DEPARTMENT(DEPARTMENTID NUMBER(5), DEP