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Tag: sql

Ten Questions to Consider Before Choosing Cassandra

By Oleg Dulin on August 8, 2015 • ( 2 Comments )

1. Do you know what your queries will look like ? In traditional SQL you design your data model to represent your business objects. Your queries can then evolve over time and can be ad-hoc. You can even create views, materialized or otherwise, to facilitate even more […]

Ordered Sets and Logs in Cassandra vs SQL

By Oleg Dulin on April 8, 2015 • ( 2 Comments )

I’ve written before that Cassandra’s achilles’ heel is devops: Storage, redundancy and performance are expanded by adding more nodes. This can happen during normal business hours as long as consistency parameters are met. Same applies to node replacements. As the number of servers grows be prepared to hire […]