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	<title>天道酬勤 &#187; enterprisedb</title>
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	<description>Oracle and My Life</description>
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		<title>EnterpriseDB overview</title>
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		<pubDate>Wed, 16 Dec 2009 05:07:56 +0000</pubDate>
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		<description><![CDATA[Postgres Plus Advanced Server 又名EnterpriseDB，由前身PostgreSQL发展而来，一款真正意义上的开源数据库，加之有IBM和RedHat的鼎力相助，发展势头迅猛。由于ORACLE高昂的License费用，在如今的金融危机下，很多厂品都有价格的优势，而ORACLE不但没有且还提高了大约40%价格，无疑对很多的企业来说是雪上加霜，已无力承受，大家纷纷开始计划着将其迁移到其它产品上。EnterpriseDB吸引了众多企业的眼球是因为它与ORACLE有强大的兼容性，现有ORACLE系统上80%的应用不需做任何修改直接可以拿到EnterpriseDB上应用。有人一定会先想到MySQL，其性能勿庸置疑，加上高可用都有，目前国内的众多WEB2.0公司都在用，taobao、google等等。MySQL在处理WEB方面的应用确实不错，但在其它方面不一定是最好的，加上被收购了二次之后，现在在ORACLE手可前途未卜，个人认为MySQL不能算真正的开源数据库，而EnterpriseDB是。我相信在未来几年，会有越来越多的中小企业因为看重EnterpriseDB的众多优越特性而选择它。 EnterpriseDB的安装是我见过的RDBMS产品中安装最简单的，简单介绍for linux x86 platform的安装步骤。 获得安装文件 # tar -zxvf pgplus-advsvr-linux-x86_830112.tar.gz # setenforce Permissive Graphical Installer: # ./pgplus-advsvr-linux-x86_830112.bin Command Line Installer: # ./pgplus-advsvr-linux-x86_830112.bin -console 输入上面的命令之后剩下的工作就在对话中完成。 默认安装路径如下： /opt/PostgresPlus/8.3R2AS /opt/PostgresPlus/8.3R2AS/data /opt/PostgresPlus/8.3R2AS/data/pg_xlog 5.# setenforce Enforcing 6.配置环境变量：安装完成之后，在每个用户的家目录下会有一个edb_83.env的文本文件，与$EDBHOME/dbserver/scripts/edb_83.env文件一样。 To load the environment for a single user: #chown &#60;username&#62; /home/&#60;username&#62;/edb_83.env #vi /home/&#60;username&#62;/.bash_profile 增加如下一行: . /home/&#60;username&#62;/edb_83.env 注意. /之间有空格 To [...]<table class="wumii-related-items" cellspacing="0" cellpadding="2" border="0" width="100%" style="clear: both;">
    
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			<content:encoded><![CDATA[<p>Postgres Plus Advanced Server 又名<a href="http://www.enterprisedb.com">EnterpriseDB</a>，由前身PostgreSQL发展而来，一款真正意义上的开源数据库，加之有IBM和RedHat的鼎力相助，发展势头迅猛。由于ORACLE高昂的License费用，在如今的金融危机下，很多厂品都有价格的优势，而ORACLE不但没有且还提高了大约40%价格，无疑对很多的企业来说是雪上加霜，已无力承受，大家纷纷开始计划着将其迁移到其它产品上。EnterpriseDB吸引了众多企业的眼球是因为它与ORACLE有强大的兼容性，现有ORACLE系统上80%的应用不需做任何修改直接可以拿到EnterpriseDB上应用。有人一定会先想到MySQL，其性能勿庸置疑，加上高可用都有，目前国内的众多WEB2.0公司都在用，taobao、google等等。MySQL在处理WEB方面的应用确实不错，但在其它方面不一定是最好的，加上被收购了二次之后，现在在ORACLE手可前途未卜，个人认为MySQL不能算真正的开源数据库，而EnterpriseDB是。我相信在未来几年，会有越来越多的中小企业因为看重EnterpriseDB的众多优越特性而选择它。</p>
<p>EnterpriseDB的安装是我见过的RDBMS产品中安装最简单的，简单介绍for linux x86 platform的安装步骤。</p>
<ol>
<li style="text-align: left;">获得<a href="http://www.enterprisedb.com/products/download.do">安装文件</a></li>
<li style="text-align: left;"># tar -zxvf pgplus-advsvr-linux-x86_830112.tar.gz</li>
<li style="text-align: left;"># setenforce Permissive</li>
<li style="text-align: left;"><span style="color: #ff0000;">Graphical Installer:</span></li>
</ol>
<p># ./pgplus-advsvr-linux-x86_830112.bin</p>
<p><span style="color: #ff0000;">Command Line Installer:</span></p>
<p># ./pgplus-advsvr-linux-x86_830112.bin -console</p>
<p>输入上面的命令之后剩下的工作就在对话中完成。</p>
<p>默认安装路径如下：</p>
<p>/opt/PostgresPlus/8.3R2AS</p>
<p>/opt/PostgresPlus/8.3R2AS/data</p>
<p>/opt/PostgresPlus/8.3R2AS/data/pg_xlog</p>
<p>5.# setenforce Enforcing</p>
<p>6.配置环境变量：安装完成之后，在每个用户的家目录下会有一个edb_83.env的文本文件，与$EDBHOME/dbserver/scripts/edb_83.env文件一样。</p>
<p><span style="color: #ff0000;">To load the environment for a single user:</span></p>
<p>#chown &lt;username&gt; /home/&lt;username&gt;/edb_83.env</p>
<p>#vi /home/&lt;username&gt;/.bash_profile</p>
<p>增加如下一行:</p>
<p>. /home/&lt;username&gt;/edb_83.env 注意. /之间有空格</p>
<p><span style="color: #ff0000;">To load the environment for all users:</span></p>
<p>#vi /etc/profile</p>
<p>增加如下一行:</p>
<p>. /etc/edb_83.env   注意. /之间有空格</p>
<p>我的实验环境：</p>
<p>[enterprisedb@postgres ~]$ edbplus</p>
<p>User: enterprisedb</p>
<p>Enter Password:</p>
<p>Connected to EnterpriseDB 8.3.0.112 (localhost:5444/edb) AS enterprisedb</p>
<p>EDB*Plus: Release 8.3 (Build 19)</p>
<p>Copyright (c) 2008-2009, EnterpriseDB Corporation.  All rights reserved.</p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
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</pre></td><td class="code"><pre class="sql" style="font-family:monospace;">SQL<span style="color: #66cc66;">&gt;</span>select <span style="color: #66cc66;">*</span> <span style="color: #993333; font-weight: bold;">FROM</span> v$version;
&nbsp;
BANNER
&nbsp;
<span style="color: #808080; font-style: italic;">--------------------------------------------------</span>
&nbsp;
Oracle <span style="color: #993333; font-weight: bold;">DATABASE</span> 10g Edition Release 10<span style="color: #66cc66;">.</span>2<span style="color: #66cc66;">.</span>0<span style="color: #66cc66;">.</span>1<span style="color: #66cc66;">.</span>0 <span style="color: #66cc66;">-</span> P
&nbsp;
roduct <span style="color: #993333; font-weight: bold;">IS</span> <span style="color: #993333; font-weight: bold;">SIMILAR</span>
&nbsp;
PL<span style="color: #66cc66;">/</span><span style="color: #993333; font-weight: bold;">SQL</span> Release 10<span style="color: #66cc66;">.</span>2<span style="color: #66cc66;">.</span>0<span style="color: #66cc66;">.</span>1<span style="color: #66cc66;">.</span>0 <span style="color: #66cc66;">-</span> Production <span style="color: #993333; font-weight: bold;">IS</span> <span style="color: #993333; font-weight: bold;">SIMILAR</span>
&nbsp;
CORE 10<span style="color: #66cc66;">.</span>2<span style="color: #66cc66;">.</span>0<span style="color: #66cc66;">.</span>1<span style="color: #66cc66;">.</span>0 Production <span style="color: #993333; font-weight: bold;">IS</span> <span style="color: #993333; font-weight: bold;">SIMILAR</span>
&nbsp;
SQL<span style="color: #66cc66;">&gt;</span></pre></td></tr></table></div>

<p>更详细内容请参考<a href="http://www.enterprisedb.com/learning/documentation.do">官方文档</a>。</p>
<p>-The End-</p>
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