cs-release-0.8/dataset_transformations.html#join">[3]</a>.</p>
<h3 id="how-does-flink-join-my-data">
  How does Flink join my data?
  <a class="anchor" href="#how-does-flink-join-my-data">#</a>
</h3>
<p>Flink uses techniques which are well known from parallel database systems to efficiently execute parallel joins. A join operator must establish all pairs of elements from its input data sets for which the join condition evaluates to true. In a standalone system, the most straight-forward implementation of a 