Datomic is a query language created in 2012.
| #2327on PLDB | 12Years Old |
Datomic's query and rules system is an extended form of Datalog. Datalog is a deductive query system, typically consisting of: A database of facts; A set of rules for deriving new facts from existing facts; a query processor that, given some partial specification of a fact or rule: finds all matching facts.
[:find ?e
:where [?e :age 42]]