�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x9EC4;&#x8272;&#x5C0F;&#x89C6;&#x9891;&#x5728;&#x7EBF;&#x514D;&#x8D39;&#x89C2;&#x770B;&#x2C;&#x65E5;&#x97E9;&#x5728;&#x7EBF;&#x770B;&#x7247;&#x2C;&#x4F0A;&#x7538;&#x56ED;&#x7CBE;&#x54C1;&#x39;&#x39;&#x4E45;&#x4E45;&#x4E45;&#x4E45;&#x4E45;</title><link>http://www.aygfsteel.com/hujuan/category/22378.html</link><description /><language>zh-cn</language><lastBuildDate>Mon, 11 Jun 2007 12:06:00 GMT</lastBuildDate><pubDate>Mon, 11 Jun 2007 12:06:00 GMT</pubDate><ttl>60</ttl><item><title>oracle 9i 数据库的日志���理</title><link>http://www.aygfsteel.com/hujuan/archive/2007/06/11/123435.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Mon, 11 Jun 2007 10:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/06/11/123435.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/123435.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/06/11/123435.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/123435.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/123435.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 1.数据库日志的归档模式分�ؓ�Q?<br>1.1非归���模式noarchivelog�Q�缺省情况下为noarchivelog�Q�oracle不保留久的重做日志信息，可以在原来的基础上覆盖写入。因此一般情况下不可恢复�?<br>1.2归���模式archivelog �Q�oracle 一般至���有一�l�日志文�Ӟ��含有三个日志成员文�g。他们是轮流交替被写入所作的一切修改信息。当�pȝ��讄���为可恢复模式卛_�����模式是�Q�oracle自动���每�ơ即���被覆盖的日志信息先做备份，然后再其上记录所修改的信息�?<br>2���认数据库日志工作模式：
<br>办法一�Q�查询v$database
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/06/11/123435.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/123435.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-06-11 18:01 <a href="http://www.aygfsteel.com/hujuan/archive/2007/06/11/123435.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>PL/SQL语句块实�?/title><link>http://www.aygfsteel.com/hujuan/archive/2007/06/06/122394.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Wed, 06 Jun 2007 08:18:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/06/06/122394.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/122394.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/06/06/122394.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/122394.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/122394.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: PL/SQL�E�序块以昄���所�l�出雇员�~�号的雇员的详细信息
<br>
<br>
<br>
<br> 1 SQL> Declare
<br> 2    v_empno emp.empno%Type; /*声明变量v_empno,%type:使该变量的类型与emp表中的empno�c�d��相同*/
<br> 3    v_emprecord emp%Rowtype;/*声明变量v_emprecord,%rowtype:使该变量的类型与emp表中的整行相�?/
<br> 4   Begin
<br> 5    Select * Into v_emprecord From emp Where empno=&v_empno;
<br> 6      dbms_output.put_line('雇员�~�号'||v_emprecord.empno);
<br> 7      dbms_output.put_line('雇员姓名'||v_emprecord.ename);
<br> 8      dbms_output.put_line('入职日期'||v_emprecord.hiredate);
<br> 9 &nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/06/06/122394.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/122394.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-06-06 16:18 <a href="http://www.aygfsteel.com/hujuan/archive/2007/06/06/122394.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>函数的���?/title><link>http://www.aygfsteel.com/hujuan/archive/2007/05/23/119373.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Wed, 23 May 2007 04:52:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/05/23/119373.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/119373.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/05/23/119373.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/119373.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/119373.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 字符函数�Q?<br>LOWER函数�Q�将字符串�{换成���写形式
<br>1SQL> select lower(ename) from emp;UPPER函数�Q�将字符串�{换成大写形式
<br>INITCAP函数�Q�将字符串�{换成首字母大写�Ş�?<br>CONCAT函数�Q�将字符串连接�v来。其格式�Q�concat(job,ename) ���job与ename�q�接��h��。也可以�?||  �q�接 1SQL> select concat(job,ename) from emp;SUBSTR函数�Q�截取字�W�串。其格式�Q�substr(c,p,l)  c表示字符�Ԍ��p表示要提取的起始字符串的位置�Q�l表示提取的长度。如果p�������D���C�Z��字符串的最后一位开始倒着向前找要提取的字�W�串的位�|��?nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/05/23/119373.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/119373.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-05-23 12:52 <a href="http://www.aygfsteel.com/hujuan/archive/2007/05/23/119373.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>SQLplus命��o大全</title><link>http://www.aygfsteel.com/hujuan/archive/2007/05/15/117685.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Tue, 15 May 2007 11:23:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/05/15/117685.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/117685.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/05/15/117685.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/117685.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/117685.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 执行一个SQL脚本文�g
<br>1SQL> start G:\javahj\DataBase\数据库资料\CreateCompanyObject.sql;对当前的输入�q�行�~�辑
<br>1SQL>edit;重新�q�行上一�ơ运行的sql语句
<br>1SQL>/;&nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/05/15/117685.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/117685.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-05-15 19:23 <a href="http://www.aygfsteel.com/hujuan/archive/2007/05/15/117685.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>oracle 基础</title><link>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117449.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Mon, 14 May 2007 14:15:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117449.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/117449.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117449.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/117449.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/117449.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 切换用户�Q?<br>1SQL> conn sys/sys as sysdba; //其中�W�一个sys为sys用户�Q�第二个sys�����用户的口令，as sysdba ��Z��dba的��n份进入。显�C�当前用户名�Q?<br>1SQL> show user;创徏新用��P��
<br>1SQL> create user hujuan identified by hujuan;//创徏新用��P��用户名�ؓhujuan�Q�用户口令�ؓhujuan在sys用户下对新用��h��权：
<br>1SQL> grant connect,resource to hujuan;//connect �q�接的权限，resource使用资源的权�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/05/14/117449.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/117449.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-05-14 22:15 <a href="http://www.aygfsteel.com/hujuan/archive/2007/05/14/117449.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>更改oracle中sys口��o</title><link>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117429.html</link><dc:creator>胡娟</dc:creator><author>胡娟</author><pubDate>Mon, 14 May 2007 13:00:00 GMT</pubDate><guid>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117429.html</guid><wfw:comment>http://www.aygfsteel.com/hujuan/comments/117429.html</wfw:comment><comments>http://www.aygfsteel.com/hujuan/archive/2007/05/14/117429.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hujuan/comments/commentRss/117429.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hujuan/services/trackbacks/117429.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在更改口令之前的讄����Q?<br>���C:\oracle\network\admin目录下的sqlnet.ora文�g
<br>
<br>SQLNET.AUTHENTICATION_SERVICES= (NTS)
<br>&nbsp;&nbsp;<a href='http://www.aygfsteel.com/hujuan/archive/2007/05/14/117429.html'>阅读全文</a><img src ="http://www.aygfsteel.com/hujuan/aggbug/117429.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hujuan/" target="_blank">胡娟</a> 2007-05-14 21:00 <a href="http://www.aygfsteel.com/hujuan/archive/2007/05/14/117429.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>               <footer>
<div class="friendship-link">
<a href="http://www.aygfsteel.com/" title="&#29408;&#29408;&#20037;&#20037;&#20122;&#27954;&#27431;&#32654;&#19987;&#21306;&#95;&#20013;&#25991;&#23383;&#24149;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#50;&#48;&#50;&#95;&#22269;&#20135;&#31934;&#21697;&#20122;&#27954;&#31532;&#20116;&#21306;&#22312;&#32447;&#95;&#26085;&#26412;&#20813;&#36153;&#32593;&#31449;&#35270;&#39057;">&#29408;&#29408;&#20037;&#20037;&#20122;&#27954;&#27431;&#32654;&#19987;&#21306;&#95;&#20013;&#25991;&#23383;&#24149;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#50;&#48;&#50;&#95;&#22269;&#20135;&#31934;&#21697;&#20122;&#27954;&#31532;&#20116;&#21306;&#22312;&#32447;&#95;&#26085;&#26412;&#20813;&#36153;&#32593;&#31449;&#35270;&#39057;</a>

</div>

</footer>


��վ֩���ģ�壺
<a href="http://" target="_blank">ƽ����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">�����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��ʲ������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��ĩ��</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��³����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��«����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��ʤ</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">۳����</a>|
<a href="http://" target="_blank">����</a>|
<a href="http://" target="_blank">�㰲��</a>|
<a href="http://" target="_blank">��ʯ����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">��ɽ��</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">̨����</a>|
<a href="http://" target="_blank">�ɳ���</a>|
<a href="http://" target="_blank">¦����</a>|
<a href="http://" target="_blank">ƽ����</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">ī�񹤿���</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<a href="http://" target="_blank">������</a>|
<script>
(function(){
    var bp = document.createElement('script');
    var curProtocol = window.location.protocol.split(':')[0];
    if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
    }
    else {
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
    }
    var s = document.getElementsByTagName("script")[0];
    s.parentNode.insertBefore(bp, s);
})();
</script>
</body>