Created originally for OCR GCSE Computing.
Teacher PPT and tasks
Covers:
Describe the terms ‘key fields’ and ‘data redundancy’.
Explain the use of key fields to connect tables and avoid data redundancy.
Analyse the drawbacks of data redundancy in a database, making reference to fields, table connections and speed.
Teacher PPT and tasks
Covers:
Describe the terms ‘key fields’ and ‘data redundancy’.
Explain the use of key fields to connect tables and avoid data redundancy.
Analyse the drawbacks of data redundancy in a database, making reference to fields, table connections and speed.
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