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  • Inverse Functional Properties: Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects
  • "Same As": Disabled (fastest) Apply to subjects only Apply to objects only Apply to both subjects and objects (recommended) Apply to subjects, objects and predicates (not recommended on big datasets) Apply to predicates only (special use cases only)

About: .QL     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatQueryLanguages, within Data Space : dbpedia.org associated with source document(s)

Type: Thinglanguageschema:LanguageLanguageProgramming languageyago:Abstraction100002137yago:ArtificialLanguage106894544yago:Cognition100023271yago:CommandLanguage106899446yago:Communication100033020yago:Datum105816622yago:Information105816287yago:Language106282651yago:ProgrammingLanguage106898352yago:PsychologicalFeature100023100programming languageyago:SourceLanguage106283912yago:WikicatDataModelingLanguagesyago:WikicatQueryLanguages New Facet based on Instances of this Class

.QL (pronounced "dot-cue-el") is an object-oriented query language used to retrieve data from relational database management systems. It is reminiscent of the standard query language SQL and the object-oriented programming language Java. .QL is an object-oriented variant of a logical query language called Datalog. Hierarchical data can therefore be naturally queried in .QL in a recursive manner. .QL is developed at Semmle Limited and is based on the company's proprietary technology.