Question

Which condition is not considered at the time to set referential integrity? *

Matching field from the primary table is a primary key or has a unique index.
related fields have the same data type.
Both tables belong to the same OOo Base database.
set alternate key in one table.​

Answer 1

Answer:

Referential integrity requires that a foreign key must have a matching primary key or it must be null. This constraint is specified between two tables (parent and child); it maintains the correspondence between rows in these tables. It means the reference from a row in one table to another table must be valid.

Answer 2

Answer:

Referential integrity requires that a foreign key must have a matching primary key or it must be null. This constraint is specified between two tables (parent and child); it maintains the correspondence between rows in these tables. It means the reference from a row in one table to another table must be valid.