Items tagged databases in 2021
Filters: Year: 2021 × databases × Sorted by date
toyDB: references. toyDB is a “distributed SQL database in Rust, written as a learning project”, with its own implementations of SQL, raft, ACID transactions, B+trees and more. toyDB author Erik Grinaker has assembled a detailed set of references that he used to learn how to build a database—I’d love to see more projects do this, it’s really useful. # 19th July 2021, 12:18 am
PostgreSQL: nbtree/README (via) The PostgreSQL source tree includes beatifully written README files for different parts of PostgreSQL. Here’s the README for their btree implementation—it continues to be actively maintained (last change was is March) and “git blame” shows that parts of the file date back 25 years, to 1996! # 25th June 2021, 6:09 pm
Django SQL Dashboard
I’ve released the first non-alpha version of Django SQL Dashboard, which provides an interface for running arbitrary read-only SQL queries directly against a PostgreSQL database, protected by the Django authentication scheme. It can also be used to create saved dashboards that can be published or shared internally.
[... 2171 words]Query Engines: Push vs. Pull (via) Justin Jaffray (who has worked on Materialize) explains the difference between push and pull query execution engines using some really clear examples built around JavaScript generators. # 2nd May 2021, 2:49 am
In general, relying only on natural keys is a nightmare. Double nightmare if it’s PII. Natural keys only work if you are flawlessly omniscient about the domain. And you aren’t.
— Jacques Chester # 11th April 2021, 10:48 pm
Cleaning Up Your Postgres Database (via) Craig Kerstiens provides some invaluable tips on running an initial check of the health of a PostgreSQL database, by using queries against the pg_statio_user_indexes table to find the memory cache hit ratio and the pg_stat_user_tables table to see what percentage of queries to your tables are using an index. # 3rd February 2021, 7:32 am