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IB Computer Science 2027 – A3.2.7 Denormalizing Databases – Lesson & Worksheet

IB Computer Science 2027 – A3.2.7 Denormalizing Databases – Lesson & Worksheet

Subject: Computing

Age range: 14-16

Resource type: Lesson (complete)

Last updated

9 September 2026

pptx, 308.74 KB
pptx, 308.74 KB
docx, 15.52 KB
docx, 15.52 KB
docx, 14.43 KB
docx, 14.43 KB
IB Computer Science 2027 – A3.2.7 Denormalizing Databases – Lesson & Worksheet

IB DP Computer Science 2027 A3.2.7 Denormalizing Databases lesson and worksheet for the new 2027 syllabus.

A classroom-ready resource designed to help students evaluate when denormalisation may be appropriate and understand the trade-offs between database performance and data redundancy.

What’s Included
  • Lesson presentation
  • Student worksheet
  • Classroom activities
  • Student tasks
  • Normalised and denormalised database comparisons
  • Real-world database scenarios
  • Questions to check understanding
  • Mark scheme / answers
Syllabus Coverage

A3.2.7 – Evaluate the need for denormalizing databases

Students explore:

  • The advantages and disadvantages of normalising databases
  • The advantages and disadvantages of denormalising databases
  • Situations where denormalisation can improve performance
  • Read-intensive applications
  • Reducing the complexity of queries
  • The risk of data redundancy
  • The balance between performance, storage and data integrity
  • Evaluating whether denormalisation is appropriate for a given scenario

These areas align with the IB Computer Science 2027 A3.2.7 syllabus requirements.

Suitable For
  • IB Diploma Programme Computer Science
  • Standard Level (SL) and Higher Level (HL)
  • New 2027 Computer Science syllabus
  • First assessment: May 2027
  • Secondary students aged 16–18
Resource Type

Lesson (complete)

A ready-to-use lesson resource including presentation, student worksheet and mark scheme.

This is an original teaching resource and is not affiliated with, endorsed by, or produced by the International Baccalaureate Organization (IBO).

Get this resource as part of a bundle and save up to 50%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

IB Computer Science 2027 – A3 Databases Complete Bundle

# IB Computer Science 2027 – A3 Databases Complete Bundle A complete teaching resource bundle covering Topic A3: Databases for the new IB Computer Science 2027 syllabus. This bundle includes 18 classroom-ready lessons covering database fundamentals, relational database design, SQL programming and alternative database systems. Each lesson includes a presentation, student worksheet and mark scheme. ## What's Included - 18 lesson presentations - 18 student worksheets - 18 mark schemes / answer documents - Classroom activities - Student tasks - Real-world database scenarios - SQL practice and database design exercises - Exam-focused questions - Resources for both SL and HL ## Syllabus Coverage ### A3.1 – Database Fundamentals - A3.1.1 Relational Databases - A3.1.2 Database Schemas - A3.1.3 Entity Relationship Diagrams - A3.1.4 Data Types - A3.1.5 Constructing Tables ### A3.2 – Database Design - A3.2.1 Normal Forms - A3.2.2 Database Scenarios - A3.2.3 Denormalizing Databases ### A3.3 – Database Programming - A3.3.1 Data Language Types - A3.3.2 Constructing Queries in SQL - A3.3.3 Updating Data with SQL - A3.3.4 SQL Aggregate Functions - A3.3.5 Database Views - A3.3.6 Database Transactions ### A3.4 – Alternative Databases - A3.4.1 Different Types of Databases - A3.4.2 Data Warehouses - A3.4.3 OLAP and Data Mining - A3.4.4 Distributed Databases ## Suitable For - IB Diploma Programme Computer Science - Standard Level (SL) and Higher Level (HL) - New 2027 Computer Science syllabus - First assessment: May 2027 - Secondary students aged 16–18 ## Resource Type **Complete Bundle** A comprehensive, ready-to-use resource for teaching Topic A3: Databases, with presentations, worksheets and mark schemes for every lesson. The new IB Computer Science course is first assessed in May 2027. :contentReference[oaicite:0]{index=0} *These are original teaching resources and are not affiliated with, endorsed by, or produced by the International Baccalaureate Organization (IBO).*

£44.99

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