SWI-Prolog -- rdf_retractall/3

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Predicate rdf_retractall/3

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Documentation
- Reference manual
- Packages
  - SWI-Prolog Semantic Web Library 3.0
    - Two RDF APIs
      - library(semweb/rdf11): The RDF database
        
        Modifying the RDF store
        
        rdf_assert/3
        
        rdf_assert/4
        
        rdf_retractall/3
        
        rdf_retractall/4
        
        rdf_create_bnode/1

Availability::- use_module(library(semweb/rdf11)).

[nondet]rdf_retractall(?S, ?P, ?O)

[nondet]rdf_retractall(?S, ?P, ?O, ?G)

Remove all matching triples from the database. Matching is performed using the same rules as rdf/3. The call does not instantiate any of its arguments.

Availability::- use_module(library(semweb/rdf_db)).

[det]rdf_retractall(?Subject, ?Predicate, ?Object)

Remove all matching triples from the database. As rdf_retractall/4 using an unbound graph. See also rdf_retractall/4 and rdf_unload/1.