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db.BillingProcess.insertOne({"id":1,"customer": "Rosalie", "item":"iPhone-X", "quantity":2, "price":90000,"cash":90000})

db.BillingProcess.find().pretty()

db.createCollection("SalesRecords")

db.SalesRecords.insertOne({"id":1, "customer":"Rosalie", "item": "iPhone-X", "quantity": 2, "date": "July 21, 2021"})

db.SalesRecords.find().pretty()

db.createCollection("Inventory")

db.Inventory.insertOne({"id":1, "item": "iPhone-X","price":45000, "quantity":49})

db.Inventory.find().pretty()