摘要: --范例1 select 10 deptno_case10, (select distinct case deptno when 10 then listagg(empno, ',') within group(order by ename) else null end deptno from em 阅读全文
posted @ 2016-09-13 17:21 Oracle-fans 阅读(428) 评论(0) 推荐(0) 编辑
摘要: [root@Oracle11g ~]# fdisk -l Disk /dev/sda: 21.4 GB, 21474836480 bytes255 heads, 63 sectors/track, 2610 cylindersUnits = cylinders of 16065 * 512 = 82 阅读全文
posted @ 2016-09-13 15:14 Oracle-fans 阅读(1043) 评论(0) 推荐(0) 编辑