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RethinkDB 1.8: date support, querying nested objects, 8x disk usage improvements
Michael Lucy ( @mlucy ), an engineer at RethinkDB, introduces these new features in this two-minute video:
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 141 posts.
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Intro to Pandas data structures
Part one of a three part introduction to the pandas library. Geared towards SQL users, but is useful for anyone wanting to get started with pandas.
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SQL Server 2014 Standard Edition Sucks
The best new features in SQL Server 2014 probably won't come with the cheap prices or licensing. Learn why the release date will probably be an expensive one.
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SparkFun's migration from MariaDB to PostgreSQL
The devs switch underlying databases for SparkFun.com and somehow, miraculously, the sky stays put firmly up above.
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Linux memory manager and your big data
Citus gives you all the greatness of Postgres plus the superpowers of distributed tables. By distributing your data and queries, your application gets high performance—at any scale. The Citus database is available as open source and as a managed service on Azure.
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Algorithms Every Data Scientist Should Know: Reservoir Sampling
Cloudera Blog is your source for expert guidance on the latest data and AI trends, technology innovation, best practices, success stories, and more.
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MongoDB is to NoSQL like MySQL to SQL - in the most harmful way
MySQL and MongoDB are both popular, yet poor representatives of their species
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Why Cassandra Doesn't Need Vector Clocks
Deepening watsonx capabilities to address enterprise gen AI data needs with DataStax.
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RethinkDB 1.11 is out: query profiler, new streaming algorithm, devops features
Today, we’re happy to announce RethinkDB 1.11 ( Breakfast at Tiffany’s ), which improves the experience of operating live RethinkDB deployments. Download it now!
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Our take on RethinkDB vs. MongoDB
Interested in a less biased overview? We encourage you to also read the technical comparison between RethinkDB and MongoDB .
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MySQL 5.7: over 1M queries/sec on a single machine
Last week, during Tomas ' keynote at MySQL Percona Live Conference in London we announced as one of "previews" of the following MySQL 5.7 release(s) -- an over 1,000,000 Query/sec result obtained with InnoDB Memcached plugin on a Read-Only workload. This article here is just to confirm the announced results without…
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Clustrix, a distributed SQL DB, launches on AWS
Keep your databases online with MariaDB Enterprise Platform. MaxScale, Galera Cluster and Raft clustering give you automatic failover, read scaling and zero data loss.
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Running PostgreSQL on Compression-enabled ZFS
Citus gives you all the greatness of Postgres plus the superpowers of distributed tables. By distributing your data and queries, your application gets high performance—at any scale. The Citus database is available as open source and as a managed service on Azure.
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Announcing pqR: A faster version of R
pqR — a “pretty quick” version of R — is now available to be downloaded, built, and installed on Linux/Unix systems. This version of R is based on R-2.15.0, but with many performance im…
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The Way Server-Side Analytics Should Be
Explore technical topics, solutions, and resources for building with Twilio – and beyond.
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No, ZFS really doesn't need an fsck tool
(This blog entry has been recovered for the sole purpose of repairing a link in Hackernews. This blog entry is otherwise hidden on the website. 2026-04-13)
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Modelling a Basic Income with Python and Monte Carlo Simulation
Basic Income is a popular policy floating around the internet lately. The idea consists of declaring that the government will pay each living adult a fixed amount of money every month - an amount comparable to a minimum wage job. This policy would then replace all current welfare programs - welfare, unemployment …
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Datomic Pro Starter Edition
The free database designed for immutable values and a time-aware information model.
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Thousands of Public Data Sources
We love data, big and small and we are always on the lookout for interesting datasets. Over the last two years, the BigML team has compiled a long list of sources of data that anyone can use. It…