Rich Hickey is the creator of the Clojure programming language.
Recently, he also created a new type of database, Datomic.
Datomic is a database of flexible, time-based facts, supporting queries and joins, with elastic scalability, and ACID transactions. It is implemented in Clojure.
This talk happened at GOTO Chicago Functional Programming Night, sponsored by Dave Thomas.
Rich and Erik Meijer discussing Clojure and Datomic.
Read the "Out of the tar pit" paper Rich mentions at the beginning of the talk.
Rich Hickey - The Database as a Value
Abstract:
Proponents of functional programming tout its many benefits, most of which are available only within a particular process, or afforded by a particular programming language feature. Anything outside of that is considered I/O, dangerous and difficult to reason about. But real systems almost always cross process and language boundaries, and most require, crucially, a very gnarly bit of shared state - a database. In this talk we will examine how Datomic renders the database into that most prized and easy-to-reason-about construct, a value, and makes it available to multiple processes in multiple languages, functional and not.
Along the way, we'll discuss the importance of immutability and time in representing information, the reification of process, and the mechanisms of durable persistent data structures. No knowledge of functional programming is required.
Datomic overview
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