<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wlbzy的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wlbzy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wlbzy]]></copyright><item><title><![CDATA[rman清理归档]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/149488032</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/149488032</guid><author>wlbzy</author><pubDate>Sun, 20 Jul 2025 20:03:29 +0800</pubDate><description><![CDATA[运维记录]]></description><category></category></item><item><title><![CDATA[使用dd命令将sr0拷贝为iso文件]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/143961281</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/143961281</guid><author>wlbzy</author><pubDate>Fri, 22 Nov 2024 09:21:00 +0800</pubDate><description><![CDATA[其中，if参数指定输入文件，of参数指定输出文件，bs参数指定数据块的大小，count参数指定要复制的数据块数量。dd命令是一个常用的Linux和Unix命令，用于在不同设备之间复制和转换数据。除了复制文件之外，dd命令还可以用于创建空白文件、对文件进行填充、备份和还原磁盘镜像等操作。由于dd命令在操作时非常强大和灵活，使用时需要小心谨慎，以免造成不可逆的数据损坏。]]></description><category></category></item><item><title><![CDATA[ubuntu 安装teamviewer 12]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/79062059</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/79062059</guid><author>wlbzy</author><pubDate>Mon, 15 Jan 2018 10:54:29 +0800</pubDate><description><![CDATA[teamviewer 老版本版本下载地址:
https://www.teamviewer.com/en/download/previous-versions/



下载Multiarch 版本


安装方式

Debian, Mint, Ubuntu, Kubuntu, Xubuntu…


For 32-bit DEB-systems you need the tea]]></description><category></category></item><item><title><![CDATA[ubuntu1604 安装后黑屏以及分辨率无法调试问题]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/79061957</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/79061957</guid><author>wlbzy</author><pubDate>Mon, 15 Jan 2018 10:50:02 +0800</pubDate><description><![CDATA[修改 vi /etc/default/grub文件的参数
修改参数 
GRUB_GFXMODE=1366x768


sudo update-grub

更新grub启动即可]]></description><category></category></item><item><title><![CDATA[centos 命令行下安装桌面组件]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53409698</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53409698</guid><author>wlbzy</author><pubDate>Wed, 30 Nov 2016 16:16:16 +0800</pubDate><description><![CDATA[[root@localhost ~]# yum groupinstall "X Window System"   安装显示系统
[root@localhost ~]# yum groupinstall "Desktop"    安装桌面
[root@localhost ~]# yum install  nautilus-open-terminal  右键快捷打开终端
[root@localhost]]></description><category></category></item><item><title><![CDATA[POWER PATH调试记录]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53407708</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53407708</guid><author>wlbzy</author><pubDate>Wed, 30 Nov 2016 14:34:02 +0800</pubDate><description><![CDATA[[root@db2 pp]# /etc/init.d/PowerPath start                                      
Starting PowerPath:  done                                                       [root@db2 pp]# emcpreg -install]]></description><category></category></item><item><title><![CDATA[RAID图示]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53407482</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53407482</guid><author>wlbzy</author><pubDate>Wed, 30 Nov 2016 14:25:30 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[渗透思维导图]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53364595</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53364595</guid><author>wlbzy</author><pubDate>Sun, 27 Nov 2016 15:11:51 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记7]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53364507</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53364507</guid><author>wlbzy</author><pubDate>Sun, 27 Nov 2016 14:54:41 +0800</pubDate><description><![CDATA[602.On Friday at 11:30 am you decided to flash back the database because of a user error that occurred
at 8:30 am.
Which option must you use to check whether a flashback operation can recover the da]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记6]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53364499</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53364499</guid><author>wlbzy</author><pubDate>Sun, 27 Nov 2016 14:53:46 +0800</pubDate><description><![CDATA[502.A database is running In ARCHIVBXXMS mode. It has two online redo log groups and each group
has one member.
A LGWR Input/output (I/O) fells due to permanent media failure that has resulted In th]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记5]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53364493</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53364493</guid><author>wlbzy</author><pubDate>Sun, 27 Nov 2016 14:52:45 +0800</pubDate><description><![CDATA[402.While querying the EMPLOYEES table, you receive an ORA-01578 message indicating block
corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified. Which
RMAN c]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记4]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53321664</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53321664</guid><author>wlbzy</author><pubDate>Thu, 24 Nov 2016 16:13:09 +0800</pubDate><description><![CDATA[302.You issue the following command:
RMAN>CONFIGURE BACKUP OPTIMIZATION ON;
What is the result of this command on your backups?


B. Read-only datafiles will not be backed up as long as backups o]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记3]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53321630</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53321630</guid><author>wlbzy</author><pubDate>Thu, 24 Nov 2016 16:11:56 +0800</pubDate><description><![CDATA[202.In which two aspects 方面 does hot patching 热补丁differ from conventional常规的 patching? (Choose two.)
A. It consumes more memory compared with conventional patching
与常规补丁比较消耗更多的内存
D. It does not req]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记2]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53321621</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53321621</guid><author>wlbzy</author><pubDate>Thu, 24 Nov 2016 16:11:02 +0800</pubDate><description><![CDATA[102.Examine the following values of the initialization parameters in the database having the SID ORCL:
BACKGROUND_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/bdump
USER_DUMP_DEST=/u01/app/oracle/p]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-053考试笔记1]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53321601</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53321601</guid><author>wlbzy</author><pubDate>Thu, 24 Nov 2016 16:09:56 +0800</pubDate><description><![CDATA[1. While deploying a new application module, the software vendor ships the application software along with appropriate SQL plan baselines for the new SQLs being introduced. Which two statements descri]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-052考试笔记3]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53184581</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53184581</guid><author>wlbzy</author><pubDate>Wed, 16 Nov 2016 11:11:37 +0800</pubDate><description><![CDATA[1: Examine the following statement that is used to modify the primary key constraint on theSALES table:
SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;
Which three statements are true ]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证 1Z0-052考试笔记2]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53184414</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53184414</guid><author>wlbzy</author><pubDate>Wed, 16 Nov 2016 11:01:12 +0800</pubDate><description><![CDATA[Q1
 View the Exhibit and identify the component marked with a question mark.
A.Checkpoint (CKPT)
Q2.
Sunday
An incremental level 0 backup backs up all blocks that have ever been in use in this da]]></description><category></category></item><item><title><![CDATA[oracle11g OCP 认证  1z0-052考试笔记1]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53184385</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53184385</guid><author>wlbzy</author><pubDate>Wed, 16 Nov 2016 10:58:37 +0800</pubDate><description><![CDATA[1
32.You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays. Which two statements are true about the differential incremental backups?]]></description><category></category></item><item><title><![CDATA[1Z0-051考试笔记]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53184332</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53184332</guid><author>wlbzy</author><pubDate>Wed, 16 Nov 2016 10:55:06 +0800</pubDate><description><![CDATA[ORACLE 如何建立表外键
例：学生表student (id, name , sex )  
  成绩表score (id ,math )  


如何创建表，要求 有主键，有约束 解:
  CREATE TABLE STUDENT(ID CHAR(10), NAME VARCHAR(8),SEX CHAR(1));  
  ALTER TABLE STUDENT ADD CONS]]></description><category></category></item><item><title><![CDATA[OCP考试过程体会]]></title><link>https://blog.youkuaiyun.com/wlbzy/article/details/53183851</link><guid>https://blog.youkuaiyun.com/wlbzy/article/details/53183851</guid><author>wlbzy</author><pubDate>Wed, 16 Nov 2016 10:52:30 +0800</pubDate><description><![CDATA[就职于一个系统集成公司，这两年没有少使用oracle。从单机到rac上都部署实施以及维护过，对于oracle的架构也有初步的了解，不过基本上是用到哪一部分部分去学习哪一部分。中间的过程曲折而繁复。从学习安装oracle、导入导出、rman备份、AWR报告分析、RAC搭建、ASM磁盘管理、集群故障排查、一路研究学习。
        今年由于公司的需求以及自身想要全面成体系的学习了解ORACLE。]]></description><category></category></item></channel></rss>