I hope this helps you, if it does please give me brainist answer =D
it will probably be a channel knife
A composite primary key<span> is a set of several primary </span>keys<span> that, together, uniquely identifies each record.</span>
Primary keys are used as identifiers of composite entities. In this case each primary key combination is allowed only once in the *:* relationship.
Other case where primary keys are used is as identifiers of weak entities, where the weak entity has a strong identifying relationship with the parent entity.
Shared key encryption in wep uses the rc4 encryption algorithm.
Values = [1.1, 10, 4.55, 30004, 0.2]
