https://wiki.bzz.ch/ 2026-04-28T03:40:14+00:00 https://wiki.bzz.ch/ https://wiki.bzz.ch/_media/wiki/logo.png text/html 2024-10-02T13:09:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.bzz.ch/en/modul/m290/learningunits/lu03/start?rev=1727874558&do=diff LU04 - RDB: concept & notation (ERM, ERD) Theory * LU04a - Concept of a RDB * LU04b - Data-types * LU04c - ERM and ERD * LU04d - The Crow's Feet Notation Assignments * LU04.A01 - Choose data-types * LU04.A02 - ERM: Travel_DB * LU04.A03 - ERM: SchoolGrades_DB * LU04.A04 - ERD: Travel DB * LU04.A05 - ERD: SchoolGrades DB * LU04.A06 - ERM vs. ERD * LU04.A07 - ERD: Reingineering of an existing database Solutions * LU04.S01 - Choose data-types * LU04.S02 - ERM: Travel DB * …