标签:acl where div highlight ora sql rom and from
select empno,ename,r from
(select empno,ename,rownum r from emp)
where r<11 and r>4
select empno,ename,r from
(select empno,ename,rownum r from emp where rownum<11)
where r>4
标签:acl where div highlight ora sql rom and from
原文地址:http://www.cnblogs.com/danawill/p/7436363.html