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<h1 id="Flink-SQL-系列教程索引"><a href="#Flink-SQL-系列教程索引" class="headerlink" title="Flink SQL 系列教程索引"></a>Flink SQL 系列教程索引</h1><p>本系列用于系列介绍 Flink SQL 的相关知识，内容持续更新。为了保证内容成体系，会把Flink SQL 里的常见的内容都列出来。其中Flink 社区官方文档已经介绍的十分全面的，会直接链接到官方文档上，且在标题里标注“传送门”。<br>本系列内容包括用户手册，原理剖析，生产实践。内容持续更新。<br><strong>除非标题中标明是传送门，否则内容里全部是原创，如有错误，欢迎指出。另外，未经同意，不得转载，感谢配合。</strong></p>
<ol>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/docs/dev/table/sql/queries/group-agg/">Flink SQL 系列文章: 无限流上的聚合功能(传送门至社区文档)</a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/tuning/">Flink SQL 系列文章: 无限流上的聚合功能的高阶优化(传送门至社区文档)</a></li>
<li><a href="/distinct-key-skew">Flink SQL 系列文章：如何解决无限流聚合上 Distinct Key 的倾斜问题</a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/docs/dev/table/sql/queries/window-agg/#group-window-aggregation">Flink SQL 系列文章: 窗口聚合功能（传送门至社区文档)</a></li>
<li><a href="/window-agg-cube"><strong>FLINK SQL 系列文章: 窗口聚合支持多维分析</strong></a></li>
<li><a href="/day-acc-solution"><strong>Flink SQL 系列文章: 针对天级别聚合且按分钟打点的需求，方案演进之路</strong></a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/docs/dev/table/sql/queries/window-tvf/">Flink SQL 系列文章：1.13 版本引入的 Window TVF 是什么（传送门至社区文档）</a></li>
<li><a href="/window-watermark-state"><strong>Flink SQL 系列文章：CUMULATE 窗口聚合计算 UV 时，曲线出现尖刺的问题跟进和解决</strong></a></li>
<li><a href="/mapstate-reuse"><strong>Flink SQL 系列文章：Distinct MapState 状态复用优化</strong></a></li>
<li><a target="_blank" rel="noopener" href="https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/sql/queries/window-join/">Flink SQL 系列文章: Window Join(传送门至社区文档)</a></li>
<li><a href="/lookup-join-code-reader"><strong>Flink SQL 系列文章: 维表 JOIN 的原理介绍及源码剖析</strong></a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/docs/dev/table/sql/queries/joins/">Flink SQL 系列文章: 流上的各种 JOIN 的介绍（传送门至社区文档）</a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/sql/queries/window-topn/">Flink SQL 系列文章：Window TopN（传送门至社区文档）</a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/sql/queries/topn/">Flink SQL 系列：流式 TopN 功能介绍（传送门至社区文档）</a></li>
<li><a href="/topN"><strong>Flink SQL 系列：流式 TopN 原理介绍及源码剖析</strong></a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/docs/dev/table/sql/queries/deduplication/">Flink SQL 系列文章：基于 Deduplicate 实现首次流，末次流等去重需求（传送门至社区文档）</a></li>
<li><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/docs/dev/table/sql/queries/match_recognize/">Flink SQL 系列文章：如何使用 FLINK SQL 实现 CEP 需求（传送门至社区文档）</a></li>
<li><a href="/read-user-conf"><strong>Flink SQL 系列文章：如何在 UDF 里读取自定义的参数值</strong></a></li>
</ol>
<h1 id="Flink-相关的优质资料"><a href="#Flink-相关的优质资料" class="headerlink" title="Flink 相关的优质资料"></a>Flink 相关的优质资料</h1><h2 id="社区入门文档"><a href="#社区入门文档" class="headerlink" title="社区入门文档"></a>社区入门文档</h2><p>社区有非常多的资料可以用于入门学习，整理出其中的精华资料，供有需要的老铁们。</p>
<h3 id="官方用户手册"><a href="#官方用户手册" class="headerlink" title="官方用户手册"></a>官方用户手册</h3><p><a target="_blank" rel="noopener" href="https://ci.apache.org/projects/flink/flink-docs-master/zh/">用户手册</a></p>
<h3 id="Training-Course"><a href="#Training-Course" class="headerlink" title="Training Course"></a>Training Course</h3><p><a target="_blank" rel="noopener" href="https://flink.apache.org/training.html">Training Course</a><br><a target="_blank" rel="noopener" href="https://github.com/ververica/flink-sql-cookbook">flink-sql-cookbook</a><br><a target="_blank" rel="noopener" href="https://github.com/flink-china/flink-training-course">flink-training-course</a></p>
<h3 id="Flink-demo"><a href="#Flink-demo" class="headerlink" title="Flink demo"></a>Flink demo</h3><p><a target="_blank" rel="noopener" href="https://github.com/apache/flink-playgrounds">flink-playgrounds</a><br><a target="_blank" rel="noopener" href="https://github.com/apache/flink-training">flink-training</a></p>
<h3 id="Flink-中文社区资料"><a href="#Flink-中文社区资料" class="headerlink" title="Flink 中文社区资料"></a>Flink 中文社区资料</h3><p><a target="_blank" rel="noopener" href="https://www.flink-forward.org/">历年 Flink forward 视频</a></p>
<p><a target="_blank" rel="noopener" href="https://flink-learning.org.cn/">Flink 中文社区网站</a></p>
<h2 id="其他渠道"><a href="#其他渠道" class="headerlink" title="其他渠道"></a>其他渠道</h2><ol>
<li>官方提供的三个maillist，订阅方式参考<a target="_blank" rel="noopener" href="https://flink.apache.org/gettinghelp.html">文档</a>。一般提问问题当天可以得到回复。英语好的老铁可以中英文邮箱列表各发一份。<br>中文用户邮箱列表：<a href="mailto:user-zh@flink.apache.org">user-zh@flink.apache.org</a><br>英文用户邮箱列表：<a href="mailto:user@flink.apache.org">user@flink.apache.org</a><br>开发者邮箱列表：<a href="mailto:dev@flink.apache.org">dev@flink.apache.org</a></li>
<li>微信公众号：Flink 中文社区</li>
<li>钉钉群 ：Apache Flink China 社区（1群群号：21789141, 2群群号：23138101）</li>
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