Relations are sets of tuples. Thus table row in relational database is tuple in relation. Wiki on relations: In mathematics (more specifically, in set theory and logic), a relation is a property that assigns truth values to combinations (k-tuples) of k individuals. Typically, the property describes a possible connection between the components of a k-tuple. For a given set of k-tuples, a truth value is assigned to each k-tuple according to whether the property does or does not hold.
STEM education is an intentional, metadisciplinary approach to teaching. and learning, in which students uncover and acquire a cohesive set of. concepts, competencies, and dispositions of science, technology, engineering, and mathematics that they transfer and apply in both.
A variation of STEM is STEAM, which includes an 'A' for art and design. Artistic design is becoming an important part of STEM education since creativity is an essential part of innovation. Many STEM lessons involve building models and simulating situations. A good STEM lesson ensures that students understand the connection to the real world.