nosql - How CQL3 differs from CQL2 and Thrift? -


"compact storage stores entire row in single column on disk instead of storing each non-primary key column in column corresponds 1 column on disk. using compact storage prevents adding new columns not part of primary key."

i can not understand above statement, true?!

reference: http://www.edwardcapriolo.com/roller/edwardcapriolo/entry/legacy_tables

take @ http://www.datastax.com/dev/blog/thrift-to-cql3, explains of it.


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