The Datalog package contains a lightweight deductive database system. Queries and database updates are expressed using Datalog—a declarative logic language in which each formula is a function-free Horn clause, and every variable in the head of a clause must appear in the body of the clause. The use of Datalog syntax and an implementation based on tabling intermediate results, ensures that all queries terminate.

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  • Thanks for good program!

    1 user found this review helpful.
  • This simple little implementation of a Deductive Database, and the beautiful little Lua nugget within was the key that helped me to begin to grasp Logic Programming concepts. It's a beautiful, powerful and lightweight query language.

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Additional Project Details

Programming Language

C

Database Environment

Other API

Registered

2009-04-10