GlossaryAttributesPKPrimary key uniquely identifies each row in a table.Primary key uniquely identifies each row in a table. Every table should have a primary key. It guarantees each record can be referenced unambiguously by relations and queries. Example Prismaid String @id Related Glossary overview All attributes AttributesGlossary entries for constraints, flags, and relation shapes.uniqueValues in this column must not repeat across rows.