Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and foreign keys of each relation. ID Туре Tel ID Name Laptop N Sold by M Shop M Owned Company By 1 ID Name

Review the SaleItem relation below where ItemNumber plus OrderNumber is the primary key. What type of primary key does this relation have? SALEITEM (ItemNumber, OrderNumber, Quantity, Price)   Group of answer choices Composite primary key Surrogate primary key Transitive primary key Alternate primary key

PLz help with the following: Translate your ER diagram into a relational schema in the form of SQL DDLs. Choose appropriate data types for each attribute and include primary key and foreign key constraints, Check and Not Null constraints.