摘要: create table emp(empno number(4),ename varchar2(10),job varchar2(9),mgr number(4),hiredate date,sal number(7,2),comm number(7,2),deptno number(2))sel... 阅读全文
posted @ 2015-06-14 20:46 FiyKt 阅读(148) 评论(0) 推荐(0) 编辑