Chapter 8: Sql-99: Schema Definition, Basic Constraints, and Queries Answers to Selected Exercises

@inproceedings{Chapter8S,
  title={Chapter 8: Sql-99: Schema Definition, Basic Constraints, and Queries Answers to Selected Exercises},
  author={}
}
    8. 7 Consider the database shown in Figure 1.2, whose schema is shown in Figure 2.1. What are the referential integrity constraints that should hold on the schema? Write appropriate SQL DDL statements to define the database.