title: No foreign key exist in db created
body: <p>I have created many entities in jpa.
  When i checked in the database, i don't see any foreign key.</p>
  
  <pre><code>@Entity
  public class Lodger implements Serializable {
  
      @Id
      @GeneratedValue(strategy = GenerationType.AUTO)
      private long lodgerId;
  
      @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "lodger")
      private List&lt;AccountOperation&gt; accountOperationList;
      ...
  }
  
  @Entity
  public class AccountOperation {
  
      @Id
      @GeneratedValue(strategy = GenerationType.AUTO)
      private long accountOperationId;
  
      @ManyToOne
      @JoinColumn(name = "lodger_id")
      private Lodger lodger;
      ...
  }
  </code></pre>
  
  <p>In this example i was thinking to get a foreign key in the account operation class.</p>
  
  <p>table automaticaly created
  <a href="http://www.wepaste.com/table_example/" rel="nofollow">http://www.wepaste.com/table_example/</a></p>
  
  <p>Why?</p>