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	<title>惜分飞 &#187; MyISAM delete恢复</title>
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		<title>MyISAM表delete记录恢复</title>
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		<pubDate>Fri, 25 Nov 2022 09:54:42 +0000</pubDate>
		<dc:creator><![CDATA[惜分飞]]></dc:creator>
				<category><![CDATA[MySQL恢复]]></category>
		<category><![CDATA[MyISAM delete恢复]]></category>
		<category><![CDATA[mysql delete恢复]]></category>
		<category><![CDATA[undelete MyISAM]]></category>

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<p>标题：<a href="https://www.xifenfei.com/2022/11/myisam-delete-recovery.html" target="_blank">MyISAM表delete记录恢复</a></p>
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<p>有客户delete删除了myisam表中的部分数据,本来表中4-5w条记录,删除之后值剩余几十条,希望对其进行恢复（该库没有开启binlog）</p>
<pre class="brush: sql; title: ; notranslate">
mysql&gt; select count(1) from db_bet;
+----------+
| count(1) |
+----------+
|       46 |
+----------+
1 row in set (0.00 sec)
</pre>
<p>通过分析.MYD文件确认数据依旧在文件中<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2022/11/myisam-delete-recovery.jpg"><img src="https://www.xifenfei.com/wp-content/uploads/2022/11/myisam-delete-recovery.jpg" alt="myisam-delete-recovery" width="1208" height="399" class="alignnone size-full wp-image-10059" /></a><br />
<hr />
通过工具对其删除操作分析,找到记录如下<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2022/11/20221125175222.jpg"><img src="https://www.xifenfei.com/wp-content/uploads/2022/11/20221125175222.jpg" alt="20221125175222" width="1396" height="629" class="alignnone size-full wp-image-10060" /></a><br />
<hr />
对其记录入库确认</p>
<pre class="brush: sql; title: ; notranslate">
mysql&gt; select count(1) from db_bet_deleted;
+----------+
| count(1) |
+----------+
|    40158 |
+----------+
1 row in set (0.10 sec)
</pre>
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