Entity Relationship Diagrams
a) Draw an ER to represent the following:
i) A device is identified by its model and serial number.
ii) A student is identified by student-no. There are only twotypes of students: domestic and international. A student cannot beboth domestic and international. For international students thevisa type is also stored.
b) Assume that the specifications below have beenobtained from a user of an information system. You are required toconstruct a conceptual model of the database using theEntity Relationship Model. You can assumethat the specification below is complete and contains all of theinformation that is needed to construct the model. Do not
OR
PayPal Gateway not configured
OR
PayPal Gateway not configured