- OrderDetails (O_ID) is FK and refers to Customers (C_ID). - OrderDetails (ProductID) is refers to Orders (O_ID). 1. (25P) Write the necessary is FK and refers to Products (P_ID). a) All fields should be defin SQL code to create the "Customers" table as follows: b) Primary and foreign keys should be defined propriate variable types. c) C_ID should start from 100 and be defined properly. d) C_Lastname and C_FirstName should be intically increased by 5 with each new record. e) C_Birthday field cannot be NULL. f) C_CityID must have the default value 34