For National 5 Computing Science, revise the use of primary and foreign keys and the difference between flat file and relational databases.

In the realm of Fortnite, where battles and strategies unfold, the concept of primary and foreign keys can be likened to the dynamics of a squad and their interactions with the game’s features. Just ...

For example, using the example above, if primary key variable Name contained the data values shown below, then foreign key variable Lname could have any of the data values shown below except those in ...