title: Joins in postgresql
body: <p>How do you change this Oracle sql to postgresql</p>
  
  <pre><code>SELECT prd.name, pkg.name, si.name 
  FROM service_items si, service_link sl, products prd, packages pkg, product_package_link ppl 
  WHERE ppl.id='3' 
  AND prd.id=ppl.product_id
  AND pkg.id=ppl.package_id AND sl.product_package_id(+)=ppl.id AND si.id(+)=sl.service_item_id
   ;
  </code></pre>