Latest AI and tech news

questdb.io • Oct 29 • by QuestDB

Data engineering · Data science +7

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5A81B

One table, three readers: QuestDB, Polars and DuckDB on the same Parquet

questdb.io • Oct 27 • by QuestDB

Databases · shared +3

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6340D

QuestDB Enterprise 4.1: governance for shared clusters

questdb.io • Oct 23 • by QuestDB

Databases · analysis +4

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B0716

QuestDB 10.1: fresher data, less I/O, and more analysis in SQL

questdb.io • Oct 23 • by QuestDB

Databases · Data engineering +5

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D7064

QuestDB 10.1: less I/O for late data, and more analysis in SQL

questdb.io • Oct 22 • by QuestDB

Data engineering · Databases +5

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4B81D

Ingesting live market data from Databento into QuestDB

questdb.io • Oct 1 • by QuestDB

Databases · compression +5

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5075A

QuestDB's QWP under the hood: Gorilla timestamp compression

questdb.io • Sep 25 • by QuestDB

Data science · Data engineering +6

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F79C8

Which time-series join? ASOF, WINDOW, HORIZON, LT or SPLICE

questdb.io • Sep 11 • by QuestDB

Data engineering · Databases +5

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60A4E

DuckLake and QuestDB: the same Parquet, a different table format

questdb.io • Sep 4 • by QuestDB

Data engineering · Databases +5

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5984B

Parquet and Iceberg: how a table format builds on a file format

questdb.io • Aug 25 • by QuestDB

Databases · storage +5

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D0A6C

QuestDB Enterprise 4.0: cold storage, QWP, and restart-free failover

questdb.io • Aug 16, 08:00 PM • by QuestDB

Data engineering · Databases +7

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6D91F

QWP: QuestDB's own binary wire protocol for ingestion and queries

questdb.io • Aug 6, 08:00 PM • by QuestDB

Data engineering · Databases +6

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86E54

Streaming 500 million rows into Apache Arrow in 2.3 seconds

questdb.io • Aug 5, 08:00 PM • by QuestDB

Databases · streaming +7

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FEA59

QuestDB 10.0: QWP, one binary streaming protocol for writes and Arrow reads

questdb.io • Aug 4, 08:00 PM • by QuestDB

Data engineering · Databases +5

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DF6F7

Introducing QuestDB's new binary ingestion protocol: QWP

questdb.io • Jul 19, 08:00 PM • by QuestDB

Data science · Databases +8

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18635

Transaction Cost Analysis with QuestDB and Polars: VWAP, Slippage and Markout

questdb.io • Jul 16, 08:00 PM • by QuestDB

Fintech · Databases +8

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9B5AD

HDFC Bank uses QuestDB for mule account detection across all major 25+ banking channels

questdb.io • Jul 14, 08:00 PM • by QuestDB

Languages · instruction +2

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0EE27

The Most Expensive Instruction Might Be… cmov

questdb.io • Jul 6, 08:00 PM • by QuestDB

Databases · Data science +4

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A595E

The Best Time-Series Databases in 2026 (and How to Choose)

questdb.io • Jul 1, 08:00 PM • by QuestDB

Languages · bit +7

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ABA16

The mask that compiles to nothing: how HotSpot's JIT learned to reason about bits

questdb.io • Jun 17, 08:00 PM • by QuestDB

Databases · Evals +4

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4C445

Lies, Damn Lies and Database Benchmarks

questdb.io • Jun 11, 08:00 PM • by QuestDB

Databases · enterprise +7

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6CCBC

QuestDB Enterprise 3.3.1: storage policies, custom CA, and finer-grained access control

questdb.io • Jun 8, 08:00 PM • by QuestDB

Databases · query +5

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FBC44

QuestDB 9.4.2: shareable queries, new aggregates, and a hardening pass

questdb.io • Jun 4, 08:00 PM • by QuestDB

Fintech · Databases +7

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897C9

Aeron and QuestDB: building open infrastructure for capital markets data

questdb.io • May 28, 08:00 PM • by QuestDB

Fintech · Databases +5

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EA921

One Trading runs a regulated 24/7 futures exchange on QuestDB

questdb.io • May 18, 08:00 PM • by QuestDB

Databases · index +6

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AF16B

QuestDB 9.4.0: Posting index, cross-column fill, and smarter Web Console

questdb.io • May 11, 08:00 PM • by QuestDB

Databases · parallel +3

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14493

How we made WINDOW JOIN parallel and vectorized

questdb.io • May 3, 08:00 PM • by QuestDB

Databases · Data science +6

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4B2EE

Sparklines for traders: candlesticks and depth charts in SQL

questdb.io • Apr 20, 08:00 PM • by QuestDB

Software engineering · Databases +7

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B6448

Code review turned a 3x speedup into 8.9x (off-heap HdrHistogram in QuestDB)

questdb.io • Apr 16 • by QuestDB

Privacy · Databases +7

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A3663

SIX Group and Aquis Exchange run exchange-wide surveillance on QuestDB

questdb.io • Apr 12, 08:00 PM • by QuestDB

Databases · join +5

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325E6

QuestDB 9.3.5: Lateral Joins, UNNEST & Window Stats

questdb.io • Apr 8, 08:00 PM • by QuestDB

Data science · Prompting +8

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E99D9

Zero-Shot Time-Series Forecasting with QuestDB and Google's TimesFM

questdb.io • Mar 31, 08:00 PM • by QuestDB

Data engineering · Software engineering +8

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ACDD7

QuestDB 9.3.4: Dynamic WINDOW JOIN & Parquet Bloom Filters

questdb.io • Mar 22, 08:00 PM • by QuestDB

Data engineering · Databases +4

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A0979

Building a real-time multi-exchange charting platform with QuestDB

questdb.io • Mar 17, 08:00 PM • by QuestDB

Databases · Evals +4

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BE9A6

Benchmark and comparison: QuestDB vs. ClickHouse

questdb.io • Mar 16, 08:00 PM • by QuestDB

Databases · order +4

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FE9FA

From 3 Seconds to 38 Milliseconds: Why SAMPLE BY Order Matters

questdb.io • Mar 10, 08:00 PM • by QuestDB

Data engineering · Databases +6

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922AE

QuestDB and the Modern Data Stack: Bridging Time Series, OLAP, and the Lakehouse

questdb.io • Mar 3, 07:00 PM • by QuestDB

Databases · enterprise +7

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9E20B

QuestDB Enterprise 3.2.3: WAL cleaner, TLS metrics, and HORIZON JOIN

questdb.io • Mar 2, 07:00 PM • by QuestDB

Fintech · Data science +4

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B9858

QuestDB: Best Trading Analytics Platform 2026

questdb.io • Feb 26, 07:00 PM • by QuestDB

Languages · Databases +6

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54352

QuestDB 9.3.3: HORIZON JOIN, twap(), and JIT on ARM64

questdb.io • Feb 25, 07:00 PM • by QuestDB

Languages · window +7

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FB3D1

The Windows DLL loader lock: how a Rust thread can hang your JVM

questdb.io • Feb 3, 07:00 PM • by QuestDB

Databases · moving +6

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A9958

QuestDB 9.3.2: TICK, arg_max, and Exponential Moving Averages

questdb.io • Jan 28, 07:00 PM • by QuestDB

Databases · DevOps & SRE +7

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29DFA

Building Real-Time Bollinger Bands Charts with SQL and Grafana