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ZIMSEC O-Level Computer Science

8.42Form 4: Advanced queries; database connection; database security

Form 4: Advanced queries; database connection; database security in ZIMSEC O-Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 8.42.1Create queries based on several tables.
  2. 8.42.2Link a database to project modules.
  3. 8.42.3Apply security measures to a database.

Lessons

  • Multi-table queries and linking a database to a program

    55 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Form 4: Advanced queries; database connection; database security: sample question

1 mark

A pharmacy saves a query whose criteria for the Supplier field is [Enter supplier name]. What happens when the query is run?

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