10 2013 档案

摘要:问题描述:1、机器:Linux主机,特别是主机为大内存,比如: 4G内存的使用pae内核的Ubuntu系统的thinkpad电脑。2、情况:使用VirtualBox安装Linux系统时,比如:通过Virtalbox安装 ChromeOS、安装YLMF OS等。3、原因:需要安装的linux系统需要启动 pae支持。4、错误:如下:This kernel requires the following features not present on the CPU: pae Unable to boot – please use a kernel appropriate for your CPU解 阅读全文
posted @ 2013-10-24 08:43 qingsong_do 阅读(548) 评论(0) 推荐(0)
摘要:函数 row_number()row_number() over (partition by patient_id /*需要分组的列*/ order by zyid /*排序的列*/)sqlSELECT ZYID, patient_id ,row_number() over (partition by patient_id order by zyid) visit_id from jk_patient_in_hospitaloraclecreate or replace view adminp_view_info asselect "ZYID","PATIENT_ 阅读全文
posted @ 2013-10-07 10:13 qingsong_do 阅读(1236) 评论(0) 推荐(0)