http://www.sqlmag.com/authors/author/author/5777637/rss/5777637en-USFri, 25 May 2012 08:55:59 GMTFri, 25 May 2012 08:55:59 GMThttp://www.sqlmag.com/article/data-modeling/beyond-hierarchiesExpanding your repertoire of entity relationships beyond the usual parent-child hierarchy structure could pay off big.]]>Shariq MansoorWed, 24 Jan 2001 00:00:00 GMThttp://www.sqlmag.com/article/data-modeling/beyond-hierarchies