Thanks, if you mouse-over the Batch and Database, you'll see more categories. Presto is under Batch SQL and Elasticsearch is under Document Oriented. We see F

Thanks, if you mouse-over the Batch and Database, you'll see more categories. Presto is under Batch SQL and Elasticsearch is under Document Oriented. We see Flume, Solr, and Impala a lot but decided to omit them to strike a balance between including more technologies and overwhelming people who are new to the field. Inevitably, we had to leave off many of our favorite technologies.