column-oriented

Open source column-oriented storage engine for PostgreSQL?

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Citus Data has developed an open source columnar store extension for PostgreSQL. It is available under the Apache License v2.0. It supports PostgreSQL 9.3 and higher. First, creation the extension and a foreign server: CREATE EXTENSION cstore_fdw; CREATE SERVER cstore_server FOREIGN DATA WRAPPER cstore_fdw; Next, create some foreign tables: CREATE FOREIGN TABLE customer_reviews ( customer_id … Read more

Why many refer to Cassandra as a Column oriented database?

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If you take a look at the Readme file at Apache Cassandra git repo, it says that, Cassandra is a partitioned row store. Rows are organized into tables with a required primary key. Partitioning means that Cassandra can distribute your data across multiple machines in an application-transparent matter. Cassandra will automatically repartition as machines are … Read more

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