IGCSE Computer Science (0478) Databases Complete Pack | Topic 9 Revision
IGCSE Computer Science (0478) Databases Complete Pack | Topic 9 RevisionBuild confident, exam-ready database skills. This complete Databases pack covers every concept students need — from understanding how relational databases are structured, through writing and refining SQL queries, to using aggregate functions to analyse data. Clear explanations, exam-focused practice, and real SQL examples throughout.What's inside:📘 9.1 Database StructureUnderstand how relational databases are organised — tables, fields, records, primary keys and foreign keys — and why relational design eliminates data redundancy and keeps data consistent.📘 9.2 SQLGet to grips with the full SQL toolkit — SELECT, FROM, WHERE, ORDER BY, LIKE, INSERT INTO, UPDATE and DELETE — with applied questions and error correction throughout.📘 9.3 SELECT … FROMLearn how to retrieve exactly the data you need — selecting all fields with *, choosing specific fields, controlling column order, using aliases with AS, and removing duplicates with DISTINCT.📘 9.4 SELECT … FROM … WHEREFilter database records precisely using comparison operators (=, <>, <, >, <=, >=), combine conditions with AND and OR, use BETWEEN for ranges, and predict the output of multi-condition queries.📘 9.5 ORDER BYSort query results in ascending or descending order — for both text and numeric fields — including multi-column sorting and combining ORDER BY with WHERE for filtered, sorted output.📘 9.6 SUMUse SQL aggregate functions to analyse data — SUM, COUNT, AVG, MIN and MAX — with applied questions using SUM with WHERE conditions, aliases, and multiple aggregates in a single query.📘 9.7 COUNTMaster the COUNT function in depth — understanding the critical difference between COUNT(*) and COUNT(field), handling NULL values correctly, using COUNT DISTINCT, and applying conditional counting with WHERE.🍎 Teacher sheets included — every section comes with a full teacher copy complete with mark scheme answers, acceptable alternatives, SQL model answers, and classroom discussion guidance, ready to use straight in the classroom.🍎 Each topic comes complete with PDF files for printing and original Microsoft Word files for formatting to your requirements.Why this pack works:✅ Student-friendly and exam-focused✅ Teacher answer sheets with full explanations included✅ Aligned to Cambridge IGCSE Computer Science 0478✅ Instant PDF download✅ Perfect for classroom use, homework, and independent revisionThis is the same trusted content used by FutureLogic Education students and teachers on TPT and TES, now available directly via Gumroad.
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