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The following page has been changed by CurtMicol: http://wiki.apache.org/cassandra/DataModel2 The comment on the change is: I missed that my list formatting wasn't correct. ------------------------------------------------------------------------------ Cassandra has a data model that can most easily be thought of as a four or five dimensional hash. The basic concepts are: - * Cluster, which can contain multiple keyspaces. + * Cluster, which can contain multiple keyspaces. - * Keyspace, which can contain multiple column families. + * Keyspace, which can contain multiple column families. - * Keyspaces contain multiple rows, which are referenced by keys. + * Keyspaces contain multiple rows, which are referenced by keys. - * Rows contain multiple columns, each of which has a value and a timestamp. + * Column familes contain multiple columns, each of which has a value and a timestamp. - * Super columns can be thought of as columns that have subcolumns. + * Super columns can be thought of as columns that have subcolumns. We'll start from the bottom up, moving from the leaves of Cassandra's data structure (columns) up to the root of the tree (the cluster).
