
CommunityNews
Building a faster hash table for high performance SQL joins
Building a faster hash table for high performance SQL joins | QuestDB.
Why is a fast hash table important for optimal SQL performance? We answer this question and explain how the QuestDB team designed FastMap, our hash table specialized for SQL execution.
Read in full here:
This thread was posted by one of our members via one of our news source trackers.
Popular General Dev topics

The following languages will help current and new web developers navigate the programming landscape to code web-based services and apps t...
New

A field guide to help you recognize achievement, spot A field guide to help you recognize achievement, spot bottlenecks, and debug your d...
New

It’s official. Your private communications can (and will) be spied on - European Digital Rights (EDRi).
On 6 July, the European Parliame...
New

Kinesis Advantage360 Ergonomic Keyboard.
Split-adjustable, contoured design that maximizes comfort and boosts productivity. Mechanical s...
New

This Keyboard Lets People Type So Fast It’s Banned From Typing Competitions.
A new peripheral lets you keep typing without ever lifting ...
New

The overengineered Solution to my Pigeon Problem.
TL;DR: I built a wifi-equipped water gun to shoot the pigeons on my balcony, controlle...
New

A Framework for Prioritizing Tech Debt.
Leverage is a powerful tool that applies to many things, including the code we write. However, t...
New

Rewrite it in Rust by ridiculousfish · Pull Request #9512 · fish-shell/fish-shell.
(Sorry for the meme; also this is obligatory.)
I thi...
New

The new frameworks will continue until morale improves.
New

New
Other popular topics

Hello Devtalk World!
Please let us know a little about who you are and where you’re from :nerd_face:
New

I know that these benchmarks might not be the exact picture of real-world scenario, but still I expect a Rust web framework performing a ...
New

New

New
New

“Finding the Boundaries” Hero’s Journey with Noel Rappin @noelrappin
Even when you’re ultimately right about what the future ho...
New

Build highly interactive applications without ever leaving Elixir, the way the experts do. Let LiveView take care of performance, scalabi...
New

If you get Can't find emacs in your PATH when trying to install Doom Emacs on your Mac you… just… need to install Emacs first! :lol:
bre...
New

Author Spotlight
Jamis Buck
@jamis
This month, we have the pleasure of spotlighting author Jamis Buck, who has written Mazes for Prog...
New

Author Spotlight:
Sophie DeBenedetto
@SophieDeBenedetto
The days of the traditional request-response web application are long gone, b...
New
Categories:
Sub Categories:
- All
- In The News
- Dev Chat (200)
- Questions (32)
- Resources (118)
- Blogs/Talks (26)
- Jobs (3)
- Events (15)
- Code Editors (58)
- Hardware (57)
- Reviews (5)
- Sales (15)
- Design & UX (4)
- Marketing & SEO (1)
- Industry & Culture (14)
- Ethics & Privacy (19)
- Business (4)
- Learning Methods (4)
- Content Creators (7)
- DevOps & Hosting (9)
Popular Portals
- /elixir
- /rust
- /ruby
- /wasm
- /erlang
- /phoenix
- /keyboards
- /rails
- /js
- /python
- /security
- /go
- /swift
- /vim
- /clojure
- /emacs
- /haskell
- /java
- /onivim
- /svelte
- /typescript
- /crystal
- /c-plus-plus
- /kotlin
- /tailwind
- /gleam
- /ocaml
- /react
- /elm
- /flutter
- /vscode
- /ash
- /opensuse
- /centos
- /php
- /html
- /deepseek
- /zig
- /scala
- /sublime-text
- /lisp
- /textmate
- /nixos
- /debian
- /agda
- /react-native
- /kubuntu
- /arch-linux
- /revery
- /ubuntu
- /django
- /spring
- /manjaro
- /nodejs
- /diversity
- /lua
- /c
- /julia
- /slackware
- /markdown