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Databases & Data

The most popular blog posts about databases & data on Hacker News. 371 posts.

2023
184

Updates to the H2O.ai db-benchmark

The H2O.ai db-benchmark has been updated with new results. In addition, the AWS EC2 instance used for benchmarking has been changed to a c6id.metal for improved repeatability and fairness across libraries. DuckDB is the fastest library for both join and group by queries at almost every data size.

188

Prolog for data science

I demonstrate a widely applicable pattern which integrates Prolog as a critical component in a data science analysis. Analytic methods are used to generate properties about the data under study and Prolog is used to reason about the data via the generated properties. The post includes some examples of piece-wise…

190

You cannot have exactly-once delivery (2015)

I’m often surprised that people continually have fundamental misconceptions about how distributed systems behave. I myself shared many of these misconceptions, so I try not to demean or dismiss but rather educate and enlighten, hopefully while sounding less preachy than that just did. I continue to learn only by…

192

DuckDB 0.8

The DuckDB team is happy to announce the latest DuckDB release (0.8.0). This release is named “Fulvigula” after the Mottled Duck (Anas Fulvigula) native to the Gulf of Mexico. To install the new version, please visit the installation guide. The full release notes can be found on GitHub. There have been too many…

194

PostgreSQL Encryption: The Available Options

On an episode of Postgres FM , the hosts had a (very brief) discussion of data encryption in PostgreSQL. While Postgres FM is a podcast well worth a subscribe, the hosts aren’t data security experts, and so as someone who builds a queryable database encryption system , I found the coverage to be somewhat… lacking. I…

199

33TB of text data for a 1T-parameter model

Important: This page summarizes data scaling only, using tokens to parameters as a ratio, and as derived from large language models like GPT-3, Chinchilla, and beyond, linked to the Compute-Optimal scaling laws like Kaplan and Hoffmann/Chinchilla. Please note that compute scaling laws are outside the scope of my…