Learn Beginners and experts alike will find resources here to clarify how to get started with XTDB, how to solve common problems using XTDB, and explanations of the XTDB architecture. Tutorials View all → Get started with XTDB in minutes, then learn temporal and graph queries. Space Adventure In your browser, learn XTDB basics, simple 'put' transactions, basic Datalog, bitemporality, match/delete/evict transactions, and awaiting transactions. Learn Datalog In your browser, learn EDN notation, basic queries, data patterns, parameterized queries, predicates, transformation functions, aggregates, and custom rules. XTDB Over HTTP Try XTDB from the command line without writing any code. Guides View all → Get targeted answers to "how do I do X?" questions. Quickstart Get up and running with XTDB in a few minutes using Java or Clojure. Confluent Cloud Set up a production-quality XTDB instance using Confluent Cloud to host your Kafka cluster. Concepts View all → Learn advanced XTDB architecture and philosophy. What is XTDB? XTDB’s origins, evolution, and fundamental philosophies. Bitemporality Learn the basics of temporal data and the XTDB time machine. On Form: Strength of the Record An argument for the XTDB data storage model. On Data: Trucks, Tubes, and Truth An argument for immutable databases in event-driven architectures. Blockchain Without the Crypto Understanding trust and immutable ledgers. Ecosystem View all → The XTDB open source community builds tools and third-party modules. Biff Biff is a batteries-included web framework for Clojure, built on XTDB. Site Site is a Resource Server, capable of providing out-of-the-box OpenAPI and GraphQL endpoints. XTDB Inspector The Inspector allows you to explore your data in XTDB visually, with zero setup cost. Resources View all → Additional literature to help you learn everything you need to know about XTDB. FAQ Short, helpful answers to common questions and problems. Performance Papers, books, and other materials which are directly relevant to xtdb and its architecture — past, present, and very-near-future. Bibliography Papers, books, and other materials which are directly relevant to xtdb and its architecture — past, present, and very-near-future.