Datalog Educational System download

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

Project Activity

See All Activity >

License

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

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Additional Project Details

Operating Systems

BSD, Linux, Solaris, Windows

Languages

English

Intended Audience

Education

User Interface

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

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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