title: Spring Hibernate create new tables with out losing the existing tables
body: <p>I am working on a Spring/Hibernate/Postgres Project. I have couple of tables on which I am performing CRUD operations and the tables have data I dont want to lose. I now want to create a new table with Hibernate entity class, with out losing my existing tables. will this do it for me:</p>
  
  <pre><code>&lt;prop key="hibernate.hbm2ddl.auto"&gt;update&lt;/prop&gt;
  </code></pre>
  
  <p>I want to confirm that I will create the new table with out deleting the existing tables</p>