摘要: Oracle的初步了解: select * from emp where empno = 10; select empno,feptno from emp order byempno desc,deptno asc; select sal 调前,case job when 'PRESIDENT' t 阅读全文
posted @ 2016-03-16 09:19 金潼人 阅读(86) 评论(0) 推荐(0)