The Datalog Educational System (DES) is a deductive database with Datalog, SQL, Relational Algebra, Tuple Relational Calculus and Domain Relational Calculus as query languages developed mainly for education. It can be used from most common Prolog interpreters over any supported OS and from portable executables (Windows, Linux and MacOS).

Features

  • Datalog, SQL, Relational Algebra, Tuple Relational Calculus and Domain Relational Calculus query languages
  • Aggregates, nulls, duplicates
  • ODBC connections to relational databases
  • Integrity constraints
  • Types
  • Modes
  • Textual API for pluggin to any sotware development system (Java, .NET, Python, ...)
  • Multiplatform, portable binaries, sources
  • Declarative debuggers and tracers
  • Test case generation
  • Hypothetical Reasoning (Decision Support)
  • Fuzzy reasoning
  • Persistency (Business Intelligence)
  • Distributed computations

Project Samples

DES running on ACIDE DES running on Emacs DES running on a Mavericks terminal

Project Activity

See All Activity >

Categories

Front-Ends, Database Engines/Servers

License

GNU Library or Lesser General Public License version 3.0 (LGPLv3)

Follow Datalog Educational System

Datalog Educational System Web Site

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Additional Project Details

Operating Systems

Solaris, Linux, BSD, Windows

Languages

English

Intended Audience

Education

User Interface

Java Swing, X Window System (X11), Win32 (MS Windows)

Programming Language

Prolog

Database Environment

Other API, Other file-based DBMS

Related Categories

Prolog Front-Ends, Prolog Database Engines Servers

Registered

2004-04-01
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