Final answer:
The concept in question is a key principle in relational database design, where tables representing unique concepts like 'Student' and 'Course' are joined based on their relationships to efficiently manage and query data.
Step-by-step explanation:
The concept referred to in your question is a foundational part of relational databases. In databases, tables are designed to hold information about one concept, such as a table for students and another for courses. When you need to determine which student is enrolled in which course, you join these two tables together. This action of joining tables is based on the relationship between the pieces of data, and the concept you've described is representative of the normalized organization of data within relational databases. This process ensures that the database remains efficient, avoids redundancy, and maintains data integrity. To illustrate, imagine a Student table with student IDs and names and a Course table with course IDs and titles. These two tables would be joined using a third table that might be called Enrollments, which would include columns for the foreign keys from both the Student and Course tables. The logical link between the students and the courses they take exemplifies the structured approach of relational database design and reflects the understanding of broader concepts within the database context.