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can any one tell. cassandra data model and sql data model how we can define row and column with cassandra data model?

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Cassandra is a Columnar Store NoSQL Database, Which goes beyond the Key Value pairs.

A Column family in cassandra is a container for rows, like table in any RDBMS.

And These are Stored and represented in Json Formats.

Below are some links where you can get more info:

http://wiki.apache.org/cassandra/DataModel

http://www.datastax.com/docs/0.8/ddl/index

http://www.javageneration.com/?p=70

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