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)
  • Persistency (Business Intelligence)
  • Distributed computations

Project Samples

Project Activity

See All Activity >

Follow Datalog Educational System

Datalog Educational System Web Site

Other Useful Business Software

One Backup & Disaster Recovery Solution for Any Need One Backup & Disaster Recovery Solution for Any Need Icon
One Backup & Disaster Recovery Solution for Any Need Icon

SherWeb Online Backup Is Your Easy Solution for Cloud & Local Backups. The App Is Free, Pay Only for the Cloud Data Storage.

With the diversity of IT solutions used, managing backup and disaster recovery can turn very complex for a business. SherWeb Online Backup simplifies everything. You back up servers, desktops, virtual machines and smart devices, plus popular applications and Office 365 data – all from a single web-based console. Active Protection, the embedded anti-ransomware feature, adds a security layer while the Cloud-to-Cloud feature saves network bandwidth.
Are you an IT professional looking for a great security solution to resell?
Try it FREE for 30 days!

Rate This Project

Login To Rate This Project

User Ratings

★★★★★
★★★★
★★★
★★
0
0
0
0
0
ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

User Reviews

There are no 2 star reviews.

Additional Project Details

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

Registered

2004-04-01