a.3.6 database systems
Unlock the power of big data storage. Learn to design efficient relational databases, link tables with keys, and use SQL to ask complex questions and uncover hidden trends.
A spreadsheet is fine for a shopping list, but what if you need to store the records of a million students? You need a Database. This strand dives into the world of "Relational Databases," where we split data into separate, organised tables to avoid mess and repetition. You’ll learn how to link these tables using special "keys" and how to use SQL (Structured Query Language) - the standard language for talking to databases. With SQL, you can ask powerful questions like "Show me all the customers who bought a red shirt last Tuesday," and get the answer instantly.
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This section outlines the progressive curriculum mapping for Database Systems. The framework traces a carefully structured pedagogical journey—from foundational data categorisation in early years to advanced programmatic integration and SQL injection prevention at Key Stage 5. It explicitly moves beyond simple flat-files by mandating formal Entity-Relationship (ER) modelling and 3NF normalisation. By bridging the gap between graphical interfaces and raw SQL, this mapping ensures students evolve from basic users into architects capable of designing secure, relational, and programmatically driven data systems.
Last modified: March 20th, 2026
