Exam-style question
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Explain how the following database and file-handling features could demonstrate different levels of technical skill: a single-table database, a database containing several interlinked tables accessed using cross-table parameterised SQL, files organised for sequential access, and files organised for direct access.
Model answer
What a good answer should say
- A single-table database is a Group C example.
- A database with several interlinked tables is a Group A example, particularly when it is accessed using cross-table parameterised SQL.
- Files organised for sequential access are a Group B example, whereas files organised for direct access are a Group A example.
Explanation
Why this works
The specification places these examples in different groups. The answer should identify both the feature and its corresponding group, rather than treating all database or file use as the same level of demand.
Common mistake
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