="fa fa-times" aria-hidden="true"></i></a></h3>
  <ul>
    <li>
      <ul>
        <li>
          <ul>
            <li><a href="#join-processing-in-apache-flink">Join Processing in Apache Flink</a></li>
            <li><a href="#how-do-i-join-with-flink">How do I join with Flink?</a></li>
            <li><a href="#how-does-flink-join-my-data">How does Flink join my data?</a></li>
            <li><a href="#how-does-flink-choose-join-strategies">How does Flink choose join strategies?</a></li>
            <li>