https://axerzone.cn/tags/%E4%BA%8B%E5%8A%A1/Recent content in 事务 on Weiming's BlogHugo -- gohugo.iozh-cn© 2026 WeimingTue, 20 Aug 2024 00:00:00 +0000https://axerzone.cn/posts/mysql-transaction-mvcc/Tue, 20 Aug 2024 00:00:00 +0000https://axerzone.cn/posts/mysql-transaction-mvcc/<h1 class="relative group">MySQL 事务和 MVCC，面试必问 <div id="mysql-事务和-mvcc面试必问" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#mysql-%e4%ba%8b%e5%8a%a1%e5%92%8c-mvcc%e9%9d%a2%e8%af%95%e5%bf%85%e9%97%ae" aria-label="锚点">#</a> </span> </h1> <p>事务和 MVCC 是 MySQL 面试里出场率最高的话题，没有之一。我准备秋招的时候翻来覆去看了好几遍，现在总算能说清楚了。</p> <h2 class="relative group">ACID 四大特性 <div id="acid-四大特性" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#acid-%e5%9b%9b%e5%a4%a7%e7%89%b9%e6%80%a7" aria-label="锚点">#</a> </span> </h2> <p>事务四个特性，关键是理解怎么实现的：</p>