Indeed.com groups duplicate job postings by title and description. [Here](http://www.indeed.com/jobs?q=html&l=San+Francisco,+CA&rbt=Front-end+Engineer+-+Web+Developer+-+Javascript+-+UI+-+PHP&rbc=CyberCoders+Engineering&jtid=d63d0b5da4899d4c&jcid=cf00d3a3bfa3f5a7&filter=0&grp=tcl) is an example of what I am talking about. How would I go about doing something like that? Is it just a simple `Group By` statement or something else entirely?