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Why relational databases use linked tables

Why relational databases use linked tables

Three related tables STUDENT, COURSE and ENROLMENT with primary keys, foreign keys and a composite primary key labelled A database is an organised collection of data, and a relational database stores that data in tables called relations. Each table usually describes one entity, such as STUDENT, COURSE, or ENROLMENT.

Relational databases Lesson

  1. AS Level
  2. /Computer Science
  3. /Relational databases

Step-by-step lessons on AQA AS Level Computer Science Relational databases. Each one builds up to exam-style questions.

Lessons