Listing B

insert into customers values("123", "Acme Alpha")
 
 
insert into orders values ("123", "2002/05/07", "987", 5, 1)

insert into orders values ("123", "2002/05/07", "654", 3, 12)

insert into orders values ("123", "2002/05/07", "579", 1, 1)
 
 
insert into items values ("987", "Widget")

insert into items values ("654", "Medium connector")

insert into items values ("579", "Type 3 clasp")