superklijus
Superklijus, also known as the superkey, is a concept in database design that refers to a set of attributes within a relation (table) that can uniquely identify a tuple (row) when combined with any other attribute from the relation. In other words, a superkey is a superset of a candidate key. A candidate key is the minimal set of attributes that can uniquely identify a tuple, while a superkey may include additional attributes that are not necessary for unique identification.
Superkeys are important in database normalization, a process used to organize a database into tables and columns.
In practical terms, a superkey can be any combination of attributes that, when taken together, can uniquely
However, it's important to note that not all superkeys are useful in database design. The primary key,
In summary, superklijus is a fundamental concept in database design that refers to a set of attributes