In certain circumstances,there may be a preference as to which table in a 1:1 relationship contains the foreign key.

Question

Quizplus · Accepted Answer

In a 1:1 relationship, it is not always necessary to have a foreign key in both tables. In some cases, it may be more logical or practical to have the foreign key in one table rather than the other, depending on the specific needs and requirements of the system. For example, if one table contains more data or is accessed more frequently, it may make more sense to have the foreign key in that table. Ultimately, the choice of which table contains the foreign key should be based on the overall design and functionality of the system.

In Certain Circumstances,there May Be a Preference as to Which