https://bsky.app/profile/questdb.bsky.socialhttps://bsky.app/profile/questdb.bsky.social/post/3lupprhixsb2tAI 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 #devtools24 Jul 2025 14:13 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lupprhixsb2thttps://bsky.app/profile/questdb.bsky.social/post/3luiegos5jk2tLLMs + 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 #TimeSeries21 Jul 2025 16:02 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3luiegos5jk2thttps://bsky.app/profile/questdb.bsky.social/post/3ltyo6cbzzn2uWe’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 https://questdb.com/blog/questdb-9-release #questdb #githubrelease #opensource15 Jul 2025 10:13 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3ltyo6cbzzn2uhttps://bsky.app/profile/questdb.bsky.social/post/3ltm3g73r352jKicking 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 #SQL10 Jul 2025 10:06 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3ltm3g73r352jhttps://bsky.app/profile/questdb.bsky.social/post/3lrvftfgqin2rReal-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. https://questdb.com/blog/realtime-analytics-using-tsdb/18 Jun 2025 16:16 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lrvftfgqin2rhttps://bsky.app/profile/questdb.bsky.social/post/3lqx7plrjw62qMiddle of a dashboard refresh is a bad time for GC. QuestDB sidesteps it with: * Off-heap memory * Memory-mapped partitions * Native C++/Rust in the hot path What you need. Where you need it. When you need it. https://questdb.com/docs/guides/architecture/memory-management/ https://questdb.com/docs/concept/memory/06 Jun 2025 16:06 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqx7plrjw62qhttps://bsky.app/profile/questdb.bsky.social/post/3lqupajdi6c2jWe watched Interstellar. That movie is a trip! Slow dashboards make us feel like the wave planet. We like 'em live, like our fresh crypto dashboards. 👉 https://questdb.com/dashboards/crypto/05 Jun 2025 16:06 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqupajdi6c2jhttps://bsky.app/profile/questdb.bsky.social/post/3lqs6werbsp24Somewhere in a database... a lonely little row from 2017 still holds out for hope. QuestDB’s TTL helps old data move on. Listen, row, don't think of it as deletion... More like closure. We just need some time for ourselves (and our more recent data). https://questdb.com/docs/concept/ttl/04 Jun 2025 16:09 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqs6werbsp24https://bsky.app/profile/questdb.bsky.social/post/3lqpo7e4s2q2sThis is your database when you don’t use materialized views to pre-compute aggregates. Every dashboard refresh is like a hot iron to the foot. Save your DB('s feet)! Materialize your views. https://questdb.com/blog/materialized-views/03 Jun 2025 16:04 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqpo7e4s2q2shttps://bsky.app/profile/questdb.bsky.social/post/3lqn5rlm22d2tOur real-time crypto dashboards received a fresh coat of paint. New dashboards featuring: * Candles * Coefficients * VWAPs * More Ooh-hoo, yep 'lotta neat stuff. And it's all fast and fluid. To the moon, and such! 👉 https://questdb.com/dashboards/crypto/02 Jun 2025 16:05 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqn5rlm22d2thttps://bsky.app/profile/questdb.bsky.social/post/3lqfmbz2mg32qMCP is shiny and new. Vector databases are shiny and new, too. What can a vector DB do that a high-performance DB + frontier model via MCP can’t? Genuine inquiry! — Please share your use case.30 May 2025 16:03 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqfmbz2mg32qhttps://bsky.app/profile/questdb.bsky.social/post/3lqd3r47ji32rA common typo: WAL log (Write-Ahead Log log) Or is it?! Write-Ahead Logs (WAL) actually do log twice. First to the WAL. Then to the DB. The more you know! 🌈29 May 2025 16:02 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqd3r47ji32rhttps://bsky.app/profile/questdb.bsky.social/post/3lqaoc6hrtc2oNew in QuestDB docs: full breakdown of our architecture. Learn how we achieve high-performance on time-series data — from storage and ingestion to the query engine. Built from scratch in low-latency Java, C++ & Rust. 📘 Explore it here: https://questdb.com/docs/guides/architecture/questdb-architecture/28 May 2025 16:56 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lqaoc6hrtc2ohttps://bsky.app/profile/questdb.bsky.social/post/3lq5oozcj7f2lLive crypto charts, tick-by-tick 🟢 OKX ➜ QuestDB ➜ Grafana (⏱ ms latency) • Trade blotter & order-book depth • OHLC / VWAP / RSI / Bollinger Bands • BTC, ETH + 20 pairs Dive in: https://questdb.com/dashboards/crypto/27 May 2025 12:25 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lq5oozcj7f2lhttps://bsky.app/profile/questdb.bsky.social/post/3lpoqtqjslx26Tired 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 👉 https://questdb.com/blog/how-to-create-a-materialized-view/ #SQL #QuestDB21 May 2025 13:54 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lpoqtqjslx26https://bsky.app/profile/questdb.bsky.social/post/3lpcj5bcm5t2nAsking an LLM for an exact price point is like asking a poet for your bank balance. You might get a moving response… But it won’t be right. “ETH price on March 8, 2022?” “Twas fair and volatile, sir.” Hmm... You'll need a database. https://questdb.com/blog/why-ai-needs-a-database/16 May 2025 17:04 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lpcj5bcm5t2nhttps://bsky.app/profile/questdb.bsky.social/post/3lpafxfkzby26Sometimes 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. https://questdb.com/release-notes/15 May 2025 21:02 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lpafxfkzby26https://bsky.app/profile/questdb.bsky.social/post/3lp7yo2sous2hQuestDB now supports Oracle-style comments, so you can add helpful annotations… Or sneak messages to your coworkers. 👀 ☕️15 May 2025 17:04 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lp7yo2sous2hhttps://bsky.app/profile/questdb.bsky.social/post/3lp5ia75ctk2oStructured data is very sneaky! Just ask your favourite LLM. 1GB of text = ~250M tokens 1GB of structured trades = ~1B tokens That’s 4× the token cost for less semantic richness. Our new agentic friends have many capabilities, chewing structured data not among them. https://questdb.com/blog/why-ai-needs-a-database/14 May 2025 17:04 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lp5ia75ctk2ohttps://bsky.app/profile/questdb.bsky.social/post/3lp3bmyzoum2yHammer! 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: https://questdb.com/glossary/ohcl-candlestick/ -- and checkout #QuestDB if your charts need a speed boost.13 May 2025 20:01 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lp3bmyzoum2yhttps://bsky.app/profile/questdb.bsky.social/post/3loz6johuvv2uAgents, they're suddenly everywhere. They sure seem to bring lot to the table. But there's a weakness. Structured data. Why? Read! https://questdb.com/blog/why-ai-needs-a-database/13 May 2025 00:00 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3loz6johuvv2uhttps://bsky.app/profile/questdb.bsky.social/post/3lomm7audye2rThe power of community and openness —customers submitting Pull Requests to the #QuestDB Rust client: https://github.com/questdb/c-questdb-client/pull/101.08 May 2025 00:00 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lomm7audye2rhttps://bsky.app/profile/questdb.bsky.social/post/3lohlbtoxee25Pro-tip: it is now possible to change SYMBOL capacity via SQL: https://questdb.com/docs/reference/sql/alter-table-change-symbol-capacity/ #questdb #symbol #cardinality06 May 2025 00:00 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lohlbtoxee25https://bsky.app/profile/questdb.bsky.social/post/3lnzxeupt5u2eGetting 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 #Parquet30 Apr 2025 14:00 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lnzxeupt5u2ehttps://bsky.app/profile/questdb.bsky.social/post/3lmr5ecohru2vWith QuestDB powering real-time monitoring and historical analysis, their ultra-low latency architecture runs at sub-200μs round-trip ⚡ More in the press release 👇 https://www.onetrading.com/blog/one-trading-partners-with-questdb-to-power-low-latency-market-data-infrastructure #QuestDB #OneTrading #TradingTechnology #TimeSeries #Database14 Apr 2025 08:28 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lmr5ecohru2vhttps://bsky.app/profile/questdb.bsky.social/post/3lmfjsdl57k2aOne of the use cases materialized views unlock is faster Klines —candlestick— charts. In our latest blog post we show an example of ingesting market data from Polygon.io, creating cascading materialized views, then using Grafana.com to display a real-time dashboard. https://questdb.com/blog/kline-candlestick-charts-with-grafana-and-questdb/09 Apr 2025 17:38 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lmfjsdl57k2ahttps://bsky.app/profile/questdb.bsky.social/post/3limmw6e6r22qThis is what happens when you put together QuestDB and https://github.com/finos/perspective, a data visualization tool designed for large and streaming data. Look at this cool blotter updating every 50ms with market data coming from QuestDB.20 Feb 2025 15:42 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3limmw6e6r22qhttps://bsky.app/profile/questdb.bsky.social/post/3lijkrq7gx22eAnd that, kids, is how PHP made it into our codebase. A user on PHP hit a QuestDB 8.2.2 issue. We gave an immediate workaround, then @jerrinot.bsky.social shipped a permanent fix 11 days later—with a new PHP test runner for coverage on par with Python or Rust. Community collaboration FTW!19 Feb 2025 10:26 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lijkrq7gx22ehttps://bsky.app/profile/questdb.bsky.social/post/3li2joqqoe22rOur team was curious about the performance of the brand new InfluxDB 3 Core (OSS), so we went and tried out their Alpha. We wrote about our findings at https://questdb.com/blog/influxdb3-core-alpha-benchmarks-and-caveats/13 Feb 2025 10:56 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3li2joqqoe22rhttps://bsky.app/profile/questdb.bsky.social/post/3lg6afc2krs2zDid you know you can orchestrate and schedule your QuestDB data workflows using Airflow with the PostgresOperator or Dagster with a resource using psycopg?20 Jan 2025 11:30 +0000at://did:plc:kt37thv66zbjduaxe4pbmd44/app.bsky.feed.post/3lg6afc2krs2z