Question
I have created an ERD for the provided scenario, however I am having some trouble changing it into a Relational Model table, any help would
I have created an ERD for the provided scenario, however I am having some trouble changing it into a Relational Model table, any help would be appreciated. The task is below, along with the ERD I came up with.
Derive a Relational Model from the conceptual schema you provided in Task 1 (it should match exactly). For the purpose of this assignment, only derive the part of the database that stores the information about players, quests, beacons and treasures (considering a sub-ERD), and leave aside the information relating to stores and badges. 1. List all the relations derived from the entity types of the ERD, and their initial attributes. 2. For each relationship type in the sub-ERD justify whether it leads to a new relation, a new attribute in a relation derived from an entity type, or to a merger of two relations derived from two entity types. 3. List all the relations in the final relational model, and all their attributes 4. List all the constraints included in the conceptual schema in addition to the relevant primary keys and foreign keys.
Task 1 answer shown below...
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