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A 3.3 Database programming

Subtopic A3.3 covers database interaction via SQL, building on fundamentals and design. It focuses on DDL (structure) and DML (data manipulation: insert, update, delete). Students learn to query tables using joins, operators, filtering, pattern matching, and ordering. HL includes aggregate functions, views (virtual/materialized), and ACID transactions for data integrity. Lesson starters for each lesson have been...

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