Question: Database Assignment:Based on the POS & Stock Controller system shown below, design an appropriate ER diagram that reflects the specified system and then extract the

Database Assignment:Based on the POS & Stock Controller system shown below, design an appropriate ER diagram that reflects the specified system and then extract the mapped tables showing them as flat tables. A Point-of-Sale & Stock Controller System is an information system primarily used to monitor the sales and stock activities of a company. In thePOS & Stock Controller System it is possible to have the following entities:

Product

Product Category

Product Unit

Sales

Invoice

Receive Product

Customer

Supplier

Purchase Order

User

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