{"version":"1.0","type":"link","title":"Referential integrity - Newikis","description":"Referential integrity is a property of data stating that all its references are valid. In the context of relational databases, it requires that if a value of one attribute (column) of a relation (table) references a value of another attribute (either in the same or a different relation), then the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/1/13/Referential_integrity_broken.png","thumbnail_width":548,"thumbnail_height":442}