mongodb_hw.js

db.createCollection("products");
db.createCollection("orders");

db.products.insertMany([
    { name: "milk", price: 45.50 },
    { name: "bread", price: 30.99 },
    { name: "cheese", price: 123.59 },
    { name: "sugar", price: 53.59 },
]);

db.products.find();

db.orders.insertMany([
    { customer: "Ivan", created_at: 1670600517, items: [
        {id: ObjectId("639356156425783af7d5f1b0"), count: 3},
        {id: ObjectId("639356156425783af7d5f1ae"), count: 1},
    ] },
    { customer: "Petr", created_at: 1639064517, items: [
            {id: ObjectId("639356156425783af7d5f1b0"), count: 1},
            {id: ObjectId("639356156425783af7d5f1b1"), count: 5},
            {id: ObjectId("639356156425783af7d5f1ae"), count: 4},
    ] },
    { customer: "Jessica", created_at: 1646840517, items: [
            {id: ObjectId("639356156425783af7d5f1b0"), count: 1},
            {id: ObjectId("639356156425783af7d5f1b1"), count: 5},
            {id: ObjectId("639356156425783af7d5f1ae"), count: 4},
    ] },
]);

db.orders.find();
db.orders.find({created_at: {"$gt": 1643673600}});