title: PostgreSQL pg_dump
body: <p>I am trying to create a database backup using the command</p>
  
  <pre><code>pg_dump -U vdc(old db) | psql vdc_bak.sql(backup db);
  </code></pre>
  
  <p>What's wrong with the syntax here?</p>
  
  <p>It tells "syntax error near pg_dump"</p>