Customer Model: cust_id-int,name,email,age-int,phone,city,membership,status
Product Model: prod_id-int,name,category,price,quantity,brand,rating,status
Ops of Products: Add,view,search,update,del
Ops of Customer: Add,view,search,update,del
Other Ops: associating cust with prod/orders, performing basic prod & cust analytics