====== LU04.S05 - ERD: SchoolGrades_DB ====== * The attribut must be taken over and added with data-types and constraints (primary keys) * The relations must be realized as relation tables, that connect the base tables * The attributes of the relation tables are: id, and the primary key of each base table as foreign key * Finally, the cardinalities must be added, which show how the relationships between the tables actually are. {{:modul:m290:learningunits:lu03:loesungen:s05.drawio.png?1200|}} ===== Vocabulary ===== ^ English ^ German ^ | constraint | Einschränkung, Bedingung| | given | gegebene, vorausgesetzt | ---- [[https://creativecommons.org/licenses/by-nc-sa/4.0/|{{https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png}}]] Volkan Demir