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Relational databases

Relational databases

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Question 20

An orbital telemetry database contains a table named DebrisOrbit to track individual pieces of space debris in Earth's orbit.

Explain the purpose of a primary key in this table.

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Markscheme

Relational databases Questions

  1. GCSE
  2. /Computer Science
  3. /Relational databases

38 exam-style questions on AQA GCSE Computer Science Relational databases. Each one has a worked solution and a mark scheme showing where the marks go.

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