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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Update of "DataModel" by MichaelArtemiw
Date Sun, 21 Nov 2010 10:13:37 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "DataModel" page has been changed by MichaelArtemiw.
http://wiki.apache.org/cassandra/DataModel?action=diff&rev1=9&rev2=10

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  = Super Columns =
  
- So far we've covered "normal" columns and rows.  Cassandra also supports super columns:
columns whose values are super columns; that is, a super column is a (sorted) associative
array of columns.
+ So far we've covered "normal" columns and rows.  Cassandra also supports super columns:
columns whose values are columns; that is, a super column is a (sorted) associative array
of columns.
  
  One can thus think of columns and super columns in terms of maps: A row in a regular column
family is basically a sorted map of column names to column values; a row in a super column
family is a sorted map of super column names to maps of column names to column values.
  

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