Outlet         3 rows,  5 columns, key id
Customer     256 rows, 12 columns, key id
Employee      14 rows, 14 columns, key id
Service       12 rows,  3 columns, key id
Bill        2953 rows, 12 columns, key id
Payment     3319 rows,  6 columns, key id
StatusLog   8802 rows,  5 columns, key id
9 foreign keys: Employee.Outlet_id->Outlet, Employee.spv_id->Employee, Bill.Outlet_id->Outlet, Bill.Service_id->Service, Bill.Employee_id->Employee, Bill.Customer_id->Customer, Payment.Bill_id->Bill, StatusLog.Employee_id->Employee, StatusLog.Bill_id->Bill

1. a bill for customer C9999   REFUSED (SQLiteException): [SQLITE_CONSTRAINT_FOREIGNKEY] A foreign key constraint failed (FOREIGN KEY constraint failed)
2. a second customer C0001     REFUSED (SQLiteException): [SQLITE_CONSTRAINT_PRIMARYKEY] A PRIMARY KEY constraint failed (UNIQUE constraint failed: Customer.id)
3. a name of 51 letters        REFUSED (SQLiteException): [SQLITE_CONSTRAINT_CHECK] A CHECK constraint failed (CHECK constraint failed: Customer_name_len)
4. delete customer C0001       REFUSED (SQLiteException): [SQLITE_CONSTRAINT_TRIGGER] A RAISE function within a trigger fired, causing the SQL statement to abort (FOREIGN KEY constraint failed)
   bills 2953 -> 2953, payments 3319 -> 3319, log rows 8802 -> 8802
5. change key C0002 to C0300   OK
   bills of C0300: 21 (C0002 had 21)
