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Tables, records and keys

Tables, records and keys

Database schema with Student, Enrolment and Course tables, foreign key arrows, and a joined result row showing surname, course title and grade SQL is used with relational databases, where data is stored in tables. It is declarative, so you describe the result you want rather than the exact search steps.

Structured Query Language (SQL) Lesson

  1. A Level
  2. /Computer Science
  3. /Structured Query Language (SQL)

Step-by-step lessons covering AQA A Level Computer Science Structured Query Language (SQL) for A Level Computer Science. Each lesson works through exam-style questions.

Lessons