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The "DataModel" page has been changed by MattSheppard: http://wiki.apache.org/cassandra/DataModel?action=diff&rev1=14&rev2=15 Comment: grammer Timestamps can be anything you like, but microseconds since 1970 is a convention. Whatever you use, it must be consistent across the application, otherwise earlier changes may overwrite newer ones. = Column Families = - A column family is a container for rows, analogous to the table in a relational system. Each row in a column family can referenced by its key. + A column family is a container for rows, analogous to the table in a relational system. Each row in a column family can be referenced by its key. Column families have a configurable ordering applied to the columns within each row, which affects the behavior of the get_slice call in the thrift API. Out of the box ordering implementations include ASCII, UTF-8, Long, UUID (lexical or time), Date, combinations of these using CompositeType, and others.
