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.
STEM education typically uses a newer model of blended learning that combines traditional classroom teaching with online learning and hands-on learning activities. This model of blended learning aims to give students the opportunity to experience different ways of learning and problem solving. STEM Science