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This module provides context and foundational knowledge. Topics in this module include: Spreadsheet versus databases (click the title to go to the content page) Background and History (click the title to go to the content page) DB History Roles Basic user perspective (including user requirements and business rules) Special topics: Legal and ethical issues QUIZ 1 covers up to this point. Database environment and architecture (click the title to go to the content page) Environment Models Functions and components Special topics: Web architecture, Distributed DBMS, Data warehouse overview Impression of Planet Proxima Centauri with New the stars, Centauri a and Centauri B - Information about Proxima Centauri .