Home›Browse›hierarchical database model🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةไทย한국어中文日本語EntityQ871236· pop 28· linked from 77 articleshierarchical database modelSign in to savetree-like database modelWikidata factsInstance ofdatabase modelSubclass ofdatabaseShow 4 more factsCommons categoryHierarchical modelsACM Classification Code (2012)10002956has characteristichierarchyP13411SaturdaySources (2)wikidata.orgdocs.openalex.orgvia Wikidata · CC0Available in 27 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBelarusianBulgarianCatalanCroatianCzechHebrewInterlinguaKazakhShow 8 moreNederlandssimpleSvenskaTamilTiếng ViệtUkrainianไทย한국어via Wikidata sitelinks · CC0