Template:Property constraints

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Popular	single-value constraint distinct-values constraint format constraint subject type constraint value-type constraint property scope constraint

Others	multi-value constraint Commons link constraint allowed qualifiers constraint allowed units constraint conflicts-with constraint difference-within-range constraint inverse constraint item-requires-statement constraint required qualifier constraint one-of constraint range constraint symmetric constraint value-requires-statement constraint no-bounds constraint integer constraint none-of constraint single-best-value constraint citation-needed constraint allowed-entity-types constraint contemporary constraint lexeme requires lexical category constraint lexeme requires language constraint lexeme-value-requires-lexical-category constraint label in language constraint description in language constraint

Constraint violation	Category:Constraint violation reports (Summary)

Complex constraints	Category:Complex constraint violation reports (Overview) complex constraint value label complex constraint recency complex constraint label language complex constraint value label template

See also: Wikidata:WikiProject property constraints - Wikidata:WikiProject Properties - Wikidata:WikiProject Ontology - Wikidata:WikiProject Counter-Vandalism