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From the Learning Management Information system

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From the Learning Management Information system, attached below please answer the folowing two questions

1-  describe an inheritance relation between two classes and show this with a class and subclass in a diagram.

From the Database management system attached below, please answer this question

2- describe a link relation between two classes and show this with a class diagram link.

Please this assignment is due AT 10:59 PM. Thank you

Inventory Database Management SystemAdmin+ Id: int+ Username: varchar+ Password: varchar+ Email: varchar+ Login()+ Logout()+ AddModifyRemoveClient()+ AddModifyRemoveSupplier()+ AddModifyRemoveItem()+ AddModifyRemoveStock()Client+ Id: int+ Firstname: varchar+ Lastname: varchar+ Email: varchar+ Phone: varchar+ Address: varchar+ Login()+ Logout()+ Order()+ Invoice()Supplier+ Id: int+ Firstname: varchar+ Lastname: varchar+ Email: varchar+ Phone: varchar+ Address: varchar+ Login()+ Logout()+ SellItem()+ PurchaseOrder()Create1*1*CreateItems+ Id: int+ Name: varchar+ BuyingPrice: varchar+ SellingPrice: varchar+ Purchased()+ Sold()Orders+ Id: integer+ Type: varchar+ Amount: ±oat+ Paymentmode: varchar+ Date: date+ PurchaseOrder()+ Invoice()+ SaleOrder()Stocks+ Id: integer+ ItemID: integer+ Quan²ty: integer+ AddStock()Check Item Exist**Create1*Add1***Supply*Check Stock*Order**
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