demo0:
a.	SQL code used to generate each table structure
b.	SQL code used to create the referential integrity constraints
c.	SQL code used to create the check constraint(s)
d.	SQL code to build the database performance tuning enhancements

test0:
a.	SQL code to populate each table with sample data (minimum of four records per table)
b.	SQL code to demonstrate evidence of testing carried out to validate the constraints
c.	SQL code to demonstrate evidence of transaction rollback and commit operations
