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Should You Use ClickHouse as a Main Operational Database?

Percona

What if we use ClickHouse (which is a columnar analytical database) as our main datastore? Well, typically, an analytical database is not a replacement for a transactional or key/value datastore. Although such databases can be very efficient with counts and averages, some queries will be slow or simply non existent. Processed 4.15

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Välkommen till Stockholm – An AWS Region is coming to the Nordics

All Things Distributed

In 2007, we opened our first AWS Region in Ireland and since then have opened additional regions, in Germany and the UK, with France still to come. After migrating, database queries that took six seconds now take three seconds in their AWS infrastructure. However, we do not plan to slow down and we are not stopping there.

AWS 117
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Data Mining Problems in Retail

Highly Scalable

Fisher, 2007. PY99] Data Preparation for Data Mining, D. Billsus, 2007. VL02] The True Lift Model – A Novel Data Mining Approach to Response Modeling in Database Marketing, V. WE07] Evolving Classifiers – Evolutionary Algorithms in Data Mining, T. Zapf, 2007. Khan and D. Jain, 2005.

Retail 152