title: Understanding the JPA mappedBy attribute in a OneToMany relationship
body: <p>I am looking at examples of defining relationships between entities, and was unsure of what the mapped by in the onetomany relationship references. Is it the name of a table column, or the name of a class?</p>
  
  <pre><code> @OneToMany(fetch = FetchType.LAZY, mappedBy = "company")
  </code></pre>