<?xml version="1.0" encoding="gbk"?>
			<?xml-stylesheet type="text/css" href="http://space.itpub.net/css/rss.css"?>
			<rss version="2.0">
			  <channel>
			    <title>benn_wpj的个人空间</title>
			    <link>http://space.itpub.net/13790829</link>
			    <description></description>
			    <copyright>Copyright(C) benn_wpj的个人空间</copyright>
			    <generator>SupeSite/X-Space</generator>
			    <lastBuildDate>Sat, 06 Sep 2008 12:40:50 GMT</lastBuildDate><item>
								<title>RAID技术新发现</title>
								<link>http://space.itpub.net/13790829/viewspace-441065</link>
								<description><![CDATA[<TABLE class=p17 style="BORDER-TOP: rgb(255,255,255) 8px solid" cellSpacing=0 cellPadding=3 width=530 border=0>
<TBODY>
<TR>
<TD><B>RAID技术新发现</B></TD></TR></TBODY></TABLE>
<TABLE class=p13 style="BORDER-TOP: rgb(255,255,255) 8px solid" cellSpa...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 03 Sep 2008 17:41:42 GMT</pubDate>
							</item>
							<item>
								<title>RAID 技朮</title>
								<link>http://space.itpub.net/13790829/viewspace-441057</link>
								<description><![CDATA[<H2 class=wztitle>磁盘阵列术语汇编 </H2>
<DIV class=wzcontent>　　<B>Rebuild：重建</B><BR><BR>　　在RAID 1，3，5，10，30或50阵列中把一个故障盘上的所有数据再生到替换磁盘上的过程。磁盘重建过程中逻辑驱动器通常不会中断对其数据的访问请求。<BR><BR>　　<B>Re...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 03 Sep 2008 17:25:40 GMT</pubDate>
							</item>
							<item>
								<title>關于127.0.0.1引起的監聽錯誤</title>
								<link>http://space.itpub.net/13790829/viewspace-440731</link>
								<description><![CDATA[<P>$ lsnrctl start</P>
<P>LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 03-SEP-2008 03:15:30</P>
<P>Copyright (c) 1991, 2005, Oracle.&nbsp; All rights reserved.</P>
<P>Starting /oracle/ora10g/bin/tnslsnr: please wait...</P>
<P>TNS-12537: TN...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 03 Sep 2008 11:30:41 GMT</pubDate>
							</item>
							<item>
								<title>Data Pump parameter</title>
								<link>http://space.itpub.net/13790829/viewspace-438575</link>
								<description><![CDATA[<P>impdp userid=username/password tables=a,b directory=dir_name dumpfile=dmp remap_schema=upper(username_a):upper(username_b)</P>
<P>/*a用戶的table導入到b用戶﹐相當于9i的touser參數﹐其中table name和schema name都要為大寫。</P>
<P>impdp userid=username...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 27 Aug 2008 19:14:38 GMT</pubDate>
							</item>
							<item>
								<title>UMAN Script</title>
								<link>http://space.itpub.net/13790829/viewspace-430026</link>
								<description><![CDATA[<P>SET feedback OFF <BR>SET pagesize 0 <BR>SET heading OFF <BR>SET verify OFF <BR>SET linesize 100 <BR>SET trimspool ON<BR>define dir = '/oracle'<BR>define fil = '&amp;dir/backup_commands.sql'<BR>define spo = '&amp;dir/backup_output.lst'<BR>prompt ***S...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Tue, 19 Aug 2008 17:31:57 GMT</pubDate>
							</item>
							<item>
								<title>logminer configure</title>
								<link>http://space.itpub.net/13790829/viewspace-421581</link>
								<description><![CDATA[<P>logminer如何安装配置使用 </P>
<P>作为Oracle DBA，我们有时候需要追踪数据误删除或用户的恶意操作情况，此时我们不但需要查出执行这些操作的数据库账号，还需要知道操作是由哪台客户端（IP地址等）发出的。针对这些问题，一个最有效实用而又低成本的方法就是分析Ora...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Fri, 08 Aug 2008 16:40:33 GMT</pubDate>
							</item>
							<item>
								<title>begin backup</title>
								<link>http://space.itpub.net/13790829/viewspace-401689</link>
								<description><![CDATA[<P>查看v$backup視圖確定tablespace是否處于begin backup的狀態。</P>
<P>在tablespace處于begin backup狀態時﹐database在日志產生上面會發生異常﹐產生更多的archivelog。</P>]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Tue, 15 Jul 2008 18:21:06 GMT</pubDate>
							</item>
							<item>
								<title>imp-00020</title>
								<link>http://space.itpub.net/13790829/viewspace-401688</link>
								<description><![CDATA[<P>Subject:&nbsp; Oracle9i: IMP-20 on Import of Table with TIMESTAMP Column that was Created via Database Link <BR>&nbsp; Doc ID:&nbsp; Note:286597.1 Type:&nbsp; PROBLEM <BR>&nbsp; Last Revision Date:&nbsp; 04-JUL-2008 Status:&nbsp; PUBLISHED </P>
<P>...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Tue, 15 Jul 2008 18:19:37 GMT</pubDate>
							</item>
							<item>
								<title>kernel parameter</title>
								<link>http://space.itpub.net/13790829/viewspace-374669</link>
								<description><![CDATA[<P>配置内存的参数：<BR>SHMMAX= 配置了最大的内存segment的大小 ------&gt;这个设置的比SGA_MAX_SIZE大比较好。</P>
<P>SHMMIN= 最小的内存segment的大小 </P>
<P>SHMMNI= 整个系统的内存segment的总个数 </P>
<P>SHMSEG= 每个进程可以使用的内存segment的最大个数</P...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 09 Jul 2008 09:55:24 GMT</pubDate>
							</item>
							<item>
								<title>oracle sudo using</title>
								<link>http://space.itpub.net/13790829/viewspace-341812</link>
								<description><![CDATA[<P>通过用户代理连接数据库（Enterprise User Proxy)(Oracle Enterprise User Security)：</P>
<P>创建代理用户，这个用户被用于代理企业用户向目标用户切换，这个代理权限使用下列语句进行授权：<BR>alter user target_user grant connect throuth proxy_user;</P>
<P>...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Fri, 06 Jun 2008 16:54:49 GMT</pubDate>
							</item>
							<item>
								<title>create user 初步</title>
								<link>http://space.itpub.net/13790829/viewspace-341805</link>
								<description><![CDATA[<P>oracle9i/10gR1当创建一个账号时，要首先赋予create session权限，才能连接数据库产生会话；<BR>如果要生成自己的数据，要赋予相应对象的创建权限及使用表空间权限：<BR>grant create table to user_name,alter user user_name quota N(空间限额,unlimited表示不限额）...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Fri, 06 Jun 2008 15:43:19 GMT</pubDate>
							</item>
							<item>
								<title>oracle10g schedule 初步</title>
								<link>http://space.itpub.net/13790829/viewspace-332648</link>
								<description><![CDATA[desc dbms_scheduler列表包选项： create_job过程中job_type包含三种形式： 1。plsql_block，所对应的job_action可以是单条SQL语句或一个pl/sql代码块，如insert 语句 2。stored_procedure，job_action必须指定一个存储过程（PL/SQL存储过程，Java存储过程或C语言编写的外...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Thu, 05 Jun 2008 21:30:03 GMT</pubDate>
							</item>
							<item>
								<title>oracle10g schedule problem</title>
								<link>http://space.itpub.net/13790829/viewspace-332643</link>
								<description><![CDATA[<P>sql&gt;select job_name,status,additional_info from user_scheduler_job_details;</P>
<P>EXP_JOB</P>
<P>JOB_NAME<BR>--------------------------------------------------------------------------------<BR>STATUS<BR>------------------------------<BR>ADDITI...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Thu, 05 Jun 2008 21:14:35 GMT</pubDate>
							</item>
							<item>
								<title>oracle parallel computing</title>
								<link>http://space.itpub.net/13790829/viewspace-332536</link>
								<description><![CDATA[<DIV class=tit>&lt;转自 风盈袖 个人空间&gt;</DIV>
<DIV class=tit>用Oracle并行查询发挥多CPU的威力</DIV>
<DIV class=date>2008-05-18 10:10</DIV>
<TABLE style="TABLE-LAYOUT: fixed">
<TBODY>
<TR>
<TD>
<DIV class=cnt id=blog_text>
<P style="TEXT-INDE...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Thu, 05 Jun 2008 15:01:28 GMT</pubDate>
							</item>
							<item>
								<title>flashback探讨2</title>
								<link>http://space.itpub.net/13790829/viewspace-332393</link>
								<description><![CDATA[<UL>
<LI>flashback version query&nbsp;&nbsp;</LI></UL>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<P>构造伪列： <BR>versions_startscn<BR>versions_endscn<BR>versions_starttime<BR>versions_endtime<BR>versons_xid(创建记录指定版本的事务的独特表示符）...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Thu, 05 Jun 2008 11:04:01 GMT</pubDate>
							</item>
							<item>
								<title>sqlprompt</title>
								<link>http://space.itpub.net/13790829/viewspace-331212</link>
								<description><![CDATA[<P>(轉)关于sqlprompt的一点使用技巧</P>
<P><BR>在DBA的日常工作中，会经常碰到在多个数据库之间或在测试库与产品库之间进行来回切换管理，由于sqlplus的提示符都是sql&gt;，有时候难免搞错，比如登陆到了产品库却以为是测试库，作完动作后来个shutdown什么的，结果大家...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 04 Jun 2008 16:52:42 GMT</pubDate>
							</item>
							<item>
								<title>oracle空間壓縮</title>
								<link>http://space.itpub.net/13790829/viewspace-331137</link>
								<description><![CDATA[<P>作为DBA，空间的紧张是常遇到的一个问题，有时一个大的表就会占用几十GB及至上百GB的空间，存储历史数据的表常常都是这样，特别是数据仓库型应用(如经营分析应用)的数据库这样的问题就更加突出。如今，在计算机技术中数据压缩技术已经十分广泛和成熟了。在windows系统中...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 04 Jun 2008 10:29:22 GMT</pubDate>
							</item>
							<item>
								<title>flashback初步</title>
								<link>http://space.itpub.net/13790829/viewspace-331136</link>
								<description><![CDATA[<P>select flashback_on from v$database;</P>
<P>alter database flashback on;</P>
<P>select * from tab_name as of timestamp to_timestamp('2008-06-03 12:00:00','yyyy-mm-dd hh24:mi:ss) where column_name=value;&nbsp;&nbsp; ## timestamp/scn</P>
<P>select ...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 04 Jun 2008 10:27:22 GMT</pubDate>
							</item>
							<item>
								<title>drop undo tablespace</title>
								<link>http://space.itpub.net/13790829/viewspace-331132</link>
								<description><![CDATA[<P>SQL&gt; ALTER SYSTEM SET undo_tablespace = UNDOTBS2;</P>
<P>确定是否存在任何一个活动的事务处理，请使用以下查询：<BR>SQL&gt; SELECT a.name,b.status FROM v$rollname a, v$rollstat b <BR>&nbsp;&nbsp;&nbsp;&nbsp; WHERE <BR>&nbsp;&nbsp;&nbsp;&nbsp; a.nam...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 04 Jun 2008 10:09:17 GMT</pubDate>
							</item>
							<item>
								<title>常見的等待事件</title>
								<link>http://space.itpub.net/13790829/viewspace-325147</link>
								<description><![CDATA[<DIV class=tit>Oracle的等待事件(zt)</DIV>
<DIV class=date>&nbsp;</DIV>
<TABLE style="TABLE-LAYOUT: fixed">
<TBODY>
<TR>
<TD>
<DIV class=cnt id=blog_text>　　Oracle的等待事件是衡量Oracle运行状况的重要依据及指标。等待事件的概念是在Oracle7.0.1.2中引...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Sat, 31 May 2008 17:12:39 GMT</pubDate>
							</item>
							<item>
								<title>log file switch</title>
								<link>http://space.itpub.net/13790829/viewspace-325145</link>
								<description><![CDATA[<P>今天接到一資料庫運行非常緩慢﹐登陸到主機查看alert log,發現有"Thread 1 cannot allocate new log, sequence 69271"諸多錯誤提示﹐管理員告知是standby 架構﹐首先懷疑是standby服務有問題﹐先取消遠程歸檔路徑﹐做日志切換﹐發現報錯"checkpoint not complete"﹐再進...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Sat, 31 May 2008 16:15:25 GMT</pubDate>
							</item>
							<item>
								<title>resetlogs之后</title>
								<link>http://space.itpub.net/13790829/viewspace-322992</link>
								<description><![CDATA[<P>Qustion:</P>
<P>如何处理RMAN CATALOG提示没有DB的incarnation？？？<BR><BR></P>
<DIV class=t_msgfont id=message5292029>C:\Documents and Settings\Administrator&gt;rman target sys/sys@ora9i catalog catuser/catuser@ora9i<BR><BR>RMAN&gt; report schema;<...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Wed, 28 May 2008 23:36:52 GMT</pubDate>
							</item>
							<item>
								<title>ora-27123</title>
								<link>http://space.itpub.net/13790829/viewspace-293522</link>
								<description><![CDATA[<DIV class=archiver_postbody>
<H2>ora-27037,ora-27123</H2>startup mount是报如下错误 <BR>SQL&gt; ORA-27123: unable to attach to shared memory segment <BR>Linux Error: 22: Invalid argument <BR>Additional information: 1 <BR>Additional information: 2496 <...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Thu, 22 May 2008 15:19:30 GMT</pubDate>
							</item>
							<item>
								<title>NLS FORMAT</title>
								<link>http://space.itpub.net/13790829/viewspace-281029</link>
								<description><![CDATA[<P>restore database until time "to_date('2008-05-20 02:57:00','yyyy-mm-dd hh24:mi:ss')";</P>
<P>RMAN&gt; run{<BR>2&gt; sql 'alter session set nls_date_format="yyyy:mm:dd:hh24:mi:ss"';<BR>3&gt; set until time="2008:05:20:03:45:00";<BR>4&gt; restore dat...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Tue, 20 May 2008 12:03:34 GMT</pubDate>
							</item>
							<item>
								<title>OCP认证考试指南全册</title>
								<link>http://space.itpub.net/13790829/viewspace-277677</link>
								<description><![CDATA[<P><A href="http://download.csdn.net/source/377909">http://download.csdn.net/source/377909</A>&nbsp;&nbsp;&nbsp; ###OCP认证考试指南全册</P>
<P><A href="http://blog.chinaunix.net/u/12331/article_19969.html">http://blog.chinaunix.net/u/12331/article_199...]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Sun, 18 May 2008 08:29:10 GMT</pubDate>
							</item>
							<item>
								<title>sqlnet.ora</title>
								<link>http://space.itpub.net/13790829/viewspace-269310</link>
								<description><![CDATA[<P>### sqlnet.ora</P>
<P>SQLNET.AUTHENTICATION_SERVICES= (NTS)&nbsp;&nbsp; ## 采用系統認証</P>
<P>NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)&nbsp;##TNS 解析方式<BR></P>]]></description>
								<category>blog</category>
								<author>benn_wpj</author>
								<pubDate>Fri, 16 May 2008 15:37:23 GMT</pubDate>
							</item>
							
		</channel>
	</rss>