#timeseries #questDB #databases

#QuestDB 9.0 is out! This high-performance, #opensource #timeseries #database now supports multi-dimensional arrays and a new binary line protocol for better throughput. Enhance your skills with OS-SCi's specialized courses at https://os-sci.com https://www.phoronix.com/news/QuestDB-9.0

AI help is now live in the #questdb docs.
Ask questions, get instant, context-aware answers on SQL, ingestion, and performance.
No fluff—just clear support for your workflow.

#AI #devtools

LLMs + REST APIs = powerful combos.

Here’s Claude Code querying a ~1BN row crypto dataset from QuestDB using plain SQL over HTTP. No SDKs, just curl.

Clean pattern for real-time insights with minimal setup. Screenshot below.
#QuestDB #LLM #SQL #RESTAPI #TimeSeries

We’ve spent months making QuestDB 9.0 the fastest, most robust time-series DB we’ve ever shipped.

✔️ N-dimensional arrays
✔️ Smarter materialized views
✔️ Ultra-low latency
✔️ Better UX

Built with your feedback

questdb.com/blog/questdb...

#questdb #githubrelease #opensource

QuestDB | Next-generation time-series database QuestDB is the world's fastest growing time-series database. Engineered for demanding workloads—from trading floors to stock exchanges—it delivers ultra-low latency, high ingestion throughput, and a m...

#QuestDB 9.0.0 has been released ( #SQL / #TimeSeriesDBMS / #InfluxDB / #eXtremeDB / #MongoDB / #TimescaleDB / #DBMS / #RDBMS / #Database / #DB ) questdb.io

Kicking off a new series on order book analytics in SQL with #questdb: bid-ask spread, liquidity thresholds, imbalance, quote stuffing—directly over L2 snapshots. Follow along for real SQL examples this week.

#timeseries #trading #orderbook #FX #SQL

Unorthodox Java: Building QuestDB

Unorthodox #Java: Building #QuestDB by my friend (and former boss)

Some hardcore 🔥Java ☕️ stuff from the legendary performance geek Jaromir Hamala at #bJug about #QuestDB. Just a single post, this requires attention 🧠.

Real-time analytics with an all-in-one system: Are we there yet? | QuestDB Explore how modern databases are evolving into unified real-time analytics platforms. Compare TimescaleDB, ClickHouse, InfluxDB, and QuestDB's approaches to handling both historical and streaming…

Real-time analytics is still too complex—too many tools, too much glue.

Are we close to a true all-in-one solution?

#QuestDB 's Marko Topolnik explores how materialized views simplify things + compares QuestDB, ClickHouse, TimescaleDB & InfluxDB.
questdb.com/blog/realtim...

The QUEST Database of Highly-Accurate Excitation Energies We report theoretical best estimates of vertical transition energies (VTEs) for a large number of excited states and molecules: the \textsc{quest} database. This database includes 1489 \emph{aug}-cc-p...

🦣 update of #QUESTDB (Database of Highly-Accurate Excitation Energies) 🦖 The latest #preprint on #QUESTDB is just out on @arXiv (arxiv.org/abs/2506.11590) with the corresponding @github repo (github.com/pfloos/QUESTDB) where we have compiled all the data in various formats. Please share! #compchem

How to create a materialized view | QuestDB Learn what a materialized view is, its benefits and drawbacks, and how to quickly create materialized views in QuestDB to supercharge your aggregation queries with incremental refresh.

Tired of heavy SAMPLE BY queries slowing down dashboards in QuestDB?

Use materialized views to precompute OHLC & other aggregates. They auto-refresh on ingest for blazing-fast reads! ⚡

Learn how 👉 questdb.com/blog/how-to-...

#SQL #QuestDB

Mañana a estas horas estaré en #CodemotionMadrid25 contándote cómo procesar y analizar datos rápidos en tiempo real usando open source. Hablaré de proyectos como Kafka, #QuestDB, o Grafana, pero tambien de formatos para datos y de qué problemas te vas a encontrar.

QuestDB Release Notes Latest updates and improvements to QuestDB Open Source and Enterprise editions

Sometimes we make cool things and forget to tell people.

Ahem: #QuestDB has a fresh and funky release notes application.

Want to know what's been happening over-time, for open source and Enterprise?

Checkout questdb.com/release-notes/ and explore.

The Great Guide to OHLC Candlesticks | QuestDB Clear visual examples and a comprehensive guide to OHLC Candlesticks. Learn about its sources, storage, processing, and applications in high-frequency trading and market analysis. All you need in…

Hammer! Shooting Star! Bullish Engulfing! Piercing Line! While these sound like gnarly video game moves, they are in fact common patterns in OHLC candlestick charts. Learn more about them from our glossary: questdb.com/glossary/ohc... -- and checkout #QuestDB if your charts need a speed boost.

The power of community and openness —customers submitting Pull Requests to the #QuestDB Rust client: github.com/questdb/c-qu....

Pro-tip: it is now possible to change SYMBOL capacity via SQL: questdb.com/docs/referen...

#questdb #symbol #cardinality

Getting from zero to ingesting, querying, and exporting data to Parquet with QuestDB in under 3 minutes. That’s what we showed live at STAC in London—no magic, just fast, SQL-native performance. #questdb #opensource #SQL #Parquet

One Trading - Where smart money does more - Blog - One Trading Partners with QuestDB to Power Low-Latency Market Data Infrastructure The only place you can trade EU regulated crypto futures. Bring your trading ideas to life - buy and sell quickly and easily 24/7.

With QuestDB powering real-time monitoring and historical analysis, their ultra-low latency architecture runs at sub-200μs round-trip ⚡

More in the press release 👇
www.onetrading.com/blog/one-tra...

#QuestDB #OneTrading #TradingTechnology #TimeSeries #Database

screenshot showing hacker news interface with this post and a fragment of the first comment in the thread

What happens when one builds a trading Gameboy with an algo trading platform and uses #QuestDB to store market data? Follow the conversation on Hackernews' today 🔥

news.ycombinator.com/item?id=4210...

Screenshot showing the first comments on the github PR, where user amunra explains what the change is

One of our engineers just made a contribution to #tokiors
github.com/tokio-rs/byt...
#rust #opensource #questdb

Some fast databases are already implementing some of these ideas, but to the best of my knowledge there is still none implementing them all. At #questdb we are working to make this happen. Stay tuned!

The future of fast databases: Lessons from a decade of QuestDB Explore lessons from a decade of QuestDB and a look at the future of fast databases, presented at Big Data London 2024.

A few weeks ago I spoke at #bigdataldn about how the #questdb team sees the future of fast databases. I've now written a summary for our blog questdb.io/blog/the-fut.... Highlights of our thinking in the thread 🧵

QuestDB | High performance time series database QuestDB is a fast columnar database that solves ingestion speed bottlenecks. Superior developer experience with SQL and native time series extensions. Open source, self-hosted enterprise or fully mana...

#QuestDB 8.0.1 has been released ( #SQL / #TimeSeriesDBMS / #InfluxDB / #eXtremeDB / #MongoDB / #TimescaleDB / #DBMS / #RDBMS / #Database / #DB ) questdb.io