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Relational databases key terms

Study Relational databases with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

At a glance

key terms

Resource type

Topic

Relational databases

AqaA LevelComputer ScienceFundamentals of databases

Key terms

  • Primary key

    An attribute or combination of attributes that uniquely identifies each record in a table.

  • Foreign key

    An attribute in one table that refers to the primary key of another table, allowing the tables to be related.