mongodb aggregation docs code example
Example 1: MONGODB AGGREGATION tutorials
db.stocks.insertMany([
{ name: "Infosys", qty: 100, price: 800 },
{ name: "TCS", qty: 100, price: 2000 },
{ name: "Wipro", qty: 2500, price: 300 }
])
Example 2: MONGODB AGGREGATION tutorials
db.stocks.find().pretty()