[Apologies for multiple receptions] Hello. This is a mail just for informing that the new release
Datalog Educational System version 1.6.0 http://des.sourceforge.net has been launched on 28th, July, 2008 and ported to GNU Prolog 1.3.0 Release notes are attached to the end of this message. Please, see http://des.sourceforge.net for details. Best regards. ============================================================== Fernando Sáenz Pérez Profesor Titular de Universidad / Associate Professor Home Page: http://www.fdi.ucm.es/profesor/fernan Tel: + 34 913947642. Fax: + 34 913947547 Despacho / Office: 435 (4ª planta / 4th floor) Dept. Ingeniería del Software e Inteligencia Artificial / Department of Software Engineering and Artificial Intelligence Universidad Complutense de Madrid Facultad de Informática C/Profesor José García Santesmases, s/n E - 28040 Madrid. Spain ============================================================== Version 1.6.0 of DES adds to previous version (1.5.0): Enhancements: o SQL query language added to the system: DDL (Data Definition Language), DML (Data Manipulation Language), and DQL (Data Query Language) o Common database for different query languages. Relations defined via SQL or via Datalog can be interchangeably accessed by queries in any language o Pretty-print listings for Datalog programs and SQL statements o Processing of batch files via the new command /process File o Display of 'File not found' errors o Lexicographically ordered listings o New commands: § /datalog Switches to Datalog interpreter § /datalog Query Executes a Datalog query § /prolog Switches to Prolog interpreter § /sql Switches to SQL interpreter § /sql Query Executes a SQL query § /dbschema Displays the database schema § /pretty_print Switch Enables/Disables pretty print § /pretty_print Switch Enables/Disables pretty print § /process File Processes the contents of File as if they were typed at the system prompt Changes: o Changed some output formatting for the debugger o Some tweaks on system messages, mainly referring to safety/computability o Initial status: Program transformation and time display are disabled by default o System status is listed at start-up o Listings of Datalog rules are ordered Fixed bugs: o The debugger in Sicstus-based releases yielded incorrect results o Asserting/Consulting some unsafe clauses without program transformation yielded failure, raising an input error /failing to consult _______________________________________________ Users-prolog mailing list [email protected] http://lists.gnu.org/mailman/listinfo/users-prolog
