title: Would like to Understand 6NF with an Example
body: <p>I have just read @PerformanceDBA's arguments re: 6NF and E-A-V.  I am intrigued.  I had previously been skeptical of 6NF as it was presented as "merely" sticking some timestamp columns on tables.</p>
  
  <p>I have always worked with a data dictionary and do not need to be convinced to use one, or to generate SQL code.  So I expect an answer that would require a dictionary (or catalog) that is used to generate code.</p>
  
  <p>So I would like to know how 6NF would deal with an <strong>extremely</strong> simple example.  A table of items, descriptions and prices.  The prices change over time.</p>
  
  <p>So anyway, what does the Items table look like when converted to 6NF?  What is the "explosion of tables?" that happens here?</p>
  
  <p>If the example does not work with a table this simple, feel free to add what is necessary to get the point across.</p>