3 Foreign Key Constraints:

Constraint Name	Child Column	Parent Column	Delete Rule
fk_cust_hist_customerid	cust_hist.customerid	customers.customerid	Cascade on delete
fk_customerid	orders.customerid	customers.customerid	Null on delete
fk_orderid	orderlines.orderid	orders.orderid	Cascade on delete

Check Constraints:

Table	Constraint Name	Constraint
None detected