title: Table Data Structure Other than hashtable?
body: <p>I was reading this wikipedia page <a href="http://en.wikipedia.org/wiki/Hash_table" rel="nofollow">http://en.wikipedia.org/wiki/Hash_table</a>
  There I fount this line 
   <strong>The main advantage of hash tables over other table data structures is speed. ...</strong></p>
  
  <p>My question is what are the other table data structure then hast table ?</p>