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NoSQL databases: The Cost of Migration

Migrating to a NoSQL database is not a free ride. There are some costs and complexity involved in this process. I’ve found a good list of the costs involved in a slide from Tom Melendez’ (a bit old) presentation (embedded below):

  • you will need to rewrite code and probably re-architect the application
  • you will need to run in parallel for testing
  • you will need training for your Dev and Ops
  • you will need to develop new tools and processes
  • Cassandra NoSQL database X isn’t the only NoSQL option
  • you’ll (likely) still need/want SQL

Original title and link: NoSQL databases: The Cost of Migration (NoSQL databases © myNoSQL)