NotesCambridgeA LevelComputer Science
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Shared by Nobold ZIMFundi team · 4 days ago
Limitations of file-based approaches; relational database terms (entity, table, record/tuple, field/attribute, primary key, candidate key, secondary key, foreign key, referential integrity); entity–relationship diagrams; normalisation to 1NF, 2NF and 3NF.
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