Cassandra and unstructured data

Question

I\'m relatively new to NoSQL, but I\'ve done a fair bit of toying with relational databases.

We are evaluating Cassandra for use in an environment where our data mod

Answer 1

Unstructured means that you have a schema-less column family. Each row has (obviously) a row-key. But the rest of each row can contain arbitrary key/value pairs - even the data types do not need to match between rows.

But as trulite correctly notes, it is a generally a bad idea to use a schema-less data model. Look at http://planetcassandra.org/blog/post/the-myth-of-schema-less/