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<td width="90%"><font size="4" face="Verdana, Arial, Helvetica"><b>设置概要文件注册表</b></font></td><td width="200" align="right"><font size="1" face="Verdana, Arial, Helvetica"><nobr>   第 4 页（共7 页）</nobr></font></td>
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<p>DB2 概要文件注册表是特定于 DB2 的变量，它影响 DB2 系统的管理、配置和性能。为使对 DB2 概要文件注册表所做的更改生效，通常要先停止实例，然后重新启动它。</p>
<p>要列出所有受支持的 DB2 概要文件注册表，使用以下命令：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2set -lr
</code>
</pre>
<p>要设置 DB2 概要文件注册表，使用以下命令：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
db2set <i>registry_variable</i>=<i>value</i>
					</code>
</pre>
<p>注：在变量名、等号和变量值之间没有空格。下面是一个示例：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">db2set DB2COMM=TCPIP,APPC</code>
</pre>
<p>要将 DB2 概要文件注册表复位成其缺省值，只需使用与上面相同的命令，但不必指定任何值：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">db2set <i>registry_variable</i>=</code>
</pre>
<p>要显示当前在服务器上设置的所有 DB2 概要文件注册表，发出以下命令：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">db2set -all</code>
</pre>
<p>所得结果应与下面相似：</p>
<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
[e] DB2PATH=C:\SQLLIB
[i] DB2INSTPROF=C:\SQLLIB
[i] DB2COMM=TCPIP,APPC
[g] DB2SYSTEM=DB2NTSERV
[g] DB2PATH=C:\SQLLIB
[g] DB2ADMINSERVER=DB2DAS00
</code>
</pre>
<p>由方括号（<code>[]</code>）括起的指示符表示该概要文件注册表的作用域，如下所示：</p>
<ul>
<li>
							
<code>[e]</code> 表示对当前会话或环境设置的注册表</li>
<li>
							
<code>[u]</code> 表示用户级注册表</li>
<li>
							
<code>[n]</code> 表示节点级注册表</li>
<li>
							
<code>[i]</code> 表示实例级注册表</li>
<li>
							
<code>[g]</code> 表示全局级注册表</li>
</ul>
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