Node.js-MySQL

This is an application helps with processing purshase order, and generating a bill.

System will display a list of items, and you can pick an item with its id.

System will ask you for a quantity client wants to purshase, it will check the database, if there is no enough stock, it will prompt the user that there is not enough stock, if there is enough stock, it will add to the purchase list and deduct the quantity from the database.

System will prompt for a new item until the user enters d for checkout.

System will display the final list of all items, item unit price, quantity purchased, item total price, and total amount.

System then will ask if the user wants to continue of wants to quit.

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