11 May, 2026
James Henderson
How we 40x'd the performance of a class of temporal queries
A performance deep-dive into how a temporal-aware database can elide work that a general-purpose one can't even see.
Deep Dive
Performance
Blog
Engineering insights and development updates from the XTDB team
NEWEST
Close to the metal, close to the wire
Tom Dellmann's XT26 talk on low-latency Java, and the one idea - serialisation - where XTDB has quietly made the same bet
James Henderson
1 December, 2025
Jeremy Taylor
XTDB 2.1: ATTACH to integrate
Working across multiple databases can be a pain, but XTDB now makes it simple.
Multi-Database
Release
12 June, 2025
Jeremy Taylor
Launching XTDB v2 — time-travel SQL database to simplify compliance
Today, we’re announcing the general availability of XTDB v2. A database with a mission.
Bitemporality
5 June, 2025
James Henderson
Building a Bitemporal Index (part 3): Storage
A technical deep-dive trilogy explaining how a bitemporal-aware database can handle and optimise for temporal data differently to general-purpose databases.
Deep Dive
13 May, 2025
Jason Bloomberg
XTDB: Data Compliance Assurance with Bitemporality
Guest blog post by Jason Bloomberg (Intellyx) on achieving data compliance
Data Compliance
12 May, 2025
James Henderson
Building a Bitemporal Index (part 2): "Bitemporal Resolution"
A technical deep-dive trilogy explaining how a bitemporal-aware database can handle and optimise for temporal data differently to general-purpose databases.
Deep Dive
6 May, 2025
Jeremy Taylor
UPDATE RECONSIDERED, delivered?
In 1977, just 3 years after SQL was born, the paper UPDATE RECONSIDERED was published. What can it tell us in 2025?
Bitemporality
3 May, 2025
James Henderson
SQL pipelines: reducing some of the accidental structure in SQL
... because it seems like what all the cool databases are doing these days...
Better SQL
25 April, 2025
James Henderson
Building a Bitemporal Index (part 1): A Taxonomy of Bitemporal Data
A technical deep-dive trilogy explaining how a bitemporal-aware database can handle and optimise for temporal data differently to general-purpose databases.
Deep Dive