title: How to implement a many-to-many relationship in PostgreSQL?
body: <p>I believe the title is self-explanatory. How do you create the table structure in  PostgreSQL to make a many-to-many relationship.</p>
  
  <p>My example:</p>
  
  <pre><code>Product(name, price);
  Bill(name, date, Products);
  </code></pre>