Question

Q2 Demonstrate with an example how an entity set is mapped to a relation/rable. ​

Answer 1

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• Create table for a relationship. Add the primary keys of all participating Entities as fields of table with their respective data types. If relationship has any attribute, add each attribute as field of table. Declare a primary key composing all the primary keys of participating entities.

Answer 2

Create table for a relationship. Add the primary keys of all participating Entities as fields of table with their respective data types. If relationship has any attribute, add each attribute as field of table. Declare a primary key composing all the primary keys of participating entities.

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