> Here Cassandra has an advantage because it is one of the more popular “operational” databases. Meanwhile, most of Microsoft and Amazon’s databases have been

> Here Cassandra has an advantage because it is one of the more popular “operational” databases. Meanwhile, most of Microsoft and Amazon’s databases have been focused on analytical workloads, primarily for business intelligence applications. I wonder what the DataStax definition of an “operational” database is, because those vendors have row, column, and document / object databases, some in a single product.