Referential integrity refers to maintaining consistency of values about the same attribute across relations. For instance, in a database that has a State relation with a state_code column for the two-character state codes, there cannot be another relation referencing that State relation with state_code values other than the ones in the State relation.
What component of the Relational Model would enforce such referential integrity?
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment