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Practice Worksheet

TN-CSCI-O-LVL-16386 · v3.-4

Core Rules of Databases

O Level · Computer Science · Databases · Common Core

Grade

O Level

Subject

Computer Science

Topic

Databases

Subtopic

Core Rules of Databases

Curriculum

Common Core

Difficulty

Core

Time

30 minutes

Total marks

54

Student name

Teacher name

Date

Learning objectives

  • Recognise core rules of databases accurately in computer science contexts.
  • Explain the underlying rule of core rules of databases in the student's own words.
  • Apply core rules of databases to multi-step and unfamiliar problems.
  • Justify a chosen method and identify errors in another student's work.

Skills assessed

  • Fluency and recall
  • Method and setting out
  • Reasoning and justification
  • Problem solving in context
  • Self-assessment

Instructions

  1. Write your name, your teacher's name and the date in the header.
  2. Answer every question in the space provided. Continue on the back if needed.
  3. Show all working — method marks are awarded even when the final answer is wrong.
  4. Aim to finish in about 30 minutes.
  5. Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 4 marks

Answer quickly. These check you are ready for the topic.

  1. 1.Name one fact you already know about core rules of databases.

    [1]
  2. 2.Name one fact you already know about core rules of databases.

    [1]
  3. 3.Circle one fact you already know about core rules of databases.

    [1]
  4. 4.State one fact you already know about core rules of databases.

    [1]

Recall

Bloom: Remember · 4 marks

Complete from memory. No calculator, no notes.

  1. 1.Label the key term used in core rules of databases described here: item 1.

    [1]
  2. 2.List the key term used in core rules of databases described here: item 2.

    [1]
  3. 3.Label the key term used in core rules of databases described here: item 3.

    [1]
  4. 4.Complete the key term used in core rules of databases described here: item 4.

    [1]

FreeMathWorksheet · TN-CSCI-O-LVL-16386 · v3.-4

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 1 of 4

FreeMathWorksheet · O Level Computer Science

Core Rules of Databases

Basic Practice

Bloom: Understand · 5 marks

Work through each item. Show the step you used.

  1. 1.Work out part 1 using the rule for core rules of databases.

    [1]
  2. 2.Work out part 2 using the rule for core rules of databases.

    [1]
  3. 3.Work out part 3 using the rule for core rules of databases.

    [1]
  4. 4.Match part 4 using the rule for core rules of databases.

    [1]
  5. 5.Match part 5 using the rule for core rules of databases.

    [1]

Guided Practice

Bloom: Understand · 8 marks

The first step is given. Finish the reasoning.

  1. 1.Continue the working for part 1. Step 1 has been started for you.

    [2]
  2. 2.Continue the working for part 2. Step 1 has been started for you.

    [2]
  3. 3.Using the first step given, finish part 3. Step 1 has been started for you.

    [2]
  4. 4.Complete the method for part 4. Step 1 has been started for you.

    [2]

FreeMathWorksheet · TN-CSCI-O-LVL-16386 · v3.-4

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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FreeMathWorksheet · O Level Computer Science

Core Rules of Databases

Independent Practice

Bloom: Apply · 10 marks

No scaffolding. Set out your full method.

  1. 1.Determine part 1 on core rules of databases without help.

    [2]
  2. 2.Determine part 2 on core rules of databases without help.

    [2]
  3. 3.Solve part 3 on core rules of databases without help.

    [2]
  4. 4.Work out fully part 4 on core rules of databases without help.

    [2]
  5. 5.Solve part 5 on core rules of databases without help.

    [2]

Challenge Questions

Bloom: Analyse · 9 marks

Harder items. Attempt every one, even partially.

  1. 1.Deduce the statement in part 1 about core rules of databases.

    [3]
  2. 2.Prove the statement in part 2 about core rules of databases.

    [3]
  3. 3.Deduce the statement in part 3 about core rules of databases.

    [3]

FreeMathWorksheet · TN-CSCI-O-LVL-16386 · v3.-4

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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FreeMathWorksheet · O Level Computer Science

Core Rules of Databases

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

  1. 1.In context, work out a real computer science situation that depends on core rules of databases.

    [3]
  2. 2.Apply a real computer science situation that depends on core rules of databases.

    [3]

Critical Thinking

Bloom: Evaluate · 8 marks

Explain your reasoning in full sentences.

  1. 1.Evaluate whether a student's method for core rules of databases is or is not efficient.

    [4]
  2. 2.Explain why a student's method for core rules of databases is or is not efficient.

    [4]

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

  1. 1.Reflect on how confident you feel with core rules of databases and what you will practise next.

    [—]
  2. 2.Describe how confident you feel with core rules of databases and what you will practise next.

    [—]

FreeMathWorksheet · TN-CSCI-O-LVL-16386 · v3.-4

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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