GitHub - shunfei/indexr: An open-source columnar data format designed for fast & realtime analytic with big data.

https://www.the-paper-trail.org/post/2013-01-30-columnar-storage/

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Actian offers on premises and cloud data management solutions for seamless performance insights and outcomes learn how to activate your data today

ClickHouse DBMS

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EventQL - The database for large-scale event analytics

Event ql is a distributed column oriented database built for large scale data collection and analytics it runs super fast sql and map reduce queries

MonetDB

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Apache Parquet

VMware Tanzu Greenplum

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Vertica provides a best in class unified analytics platform that will forever be independent from underlying infrastructure

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Cloud Data Warehouse – Amazon Redshift – Amazon Web Services

GitHub - cswinter/LocustDB: Massively parallel, high performance analytics database that will rapidly devour all of your data.

Massively parallel high performance analytics database that will rapidly devour all of your data git hub cswinter locust db massively parallel high performance analytics database that will ra