Find the host_name, host_location, host_about of the first record

Find the host_name, host_location, host_about of the first record in the listingsAndReviews collection.

Structure of 'listingsAndReviews' collection:

 {
    _id: '10059872',
    listing_url: 'https://www.airbnb.com/rooms/10059872',
    name: 'Soho Cozy, Spacious and Convenient',
    summary: 'Clean, fully furnish, Spacious 1 bedroom flat just off the escalator in Mid Levels. 2 minutes From Soho Bar and Restaurants. Located in a quiet alley 1 minute from Sun Yat Sen',
    space: '',
    description: 'Clean, fully furnish, Spacious 1 bedroom flat just off the escalator in Mid Levels. 2 minutes From Soho Bar and Restaurants. Located in a quiet alley 1 minute from Sun Yat Sen',
    neighborhood_overview: '',
    notes: '',
    transit: '',
    access: '',
    interaction: '',
    house_rules: '',
    property_type: 'Apartment',
    room_type: 'Entire home/apt',
    bed_type: 'Real Bed',
    minimum_nights: '4',
    maximum_nights: '20',
    cancellation_policy: 'flexible',
    last_scraped: ISODate("2019-03-11T04:00:00.000Z"),
    calendar_last_scraped: ISODate("2019-03-11T04:00:00.000Z"),
    first_review: ISODate("2015-12-19T05:00:00.000Z"),
    last_review: ISODate("2018-03-27T04:00:00.000Z"),
    accommodates: 3,
    bedrooms: 1,
    beds: 2,
    number_of_reviews: 3,
    bathrooms: Decimal128("1.0"),
    amenities: [
      'Air conditioning',
      'Kitchen',
      'Smoking allowed',
      'Doorman',
      'Elevator',
      'Heating',
      'Family/kid friendly',
      'Essentials',
      '24-hour check-in',
      'translation missing: en.hosting_amenity_50'
    ],
    price: Decimal128("699.00"),
    weekly_price: Decimal128("5000.00"),
    extra_people: Decimal128("0.00"),
    guests_included: Decimal128("1"),
    images: {
      thumbnail_url: '',
      medium_url: '',
      picture_url: 'https://a0.muscache.com/im/pictures/4533a1dc-6fd8-4167-938d-391c6eebbc19.jpg?aki_policy=large',
      xl_picture_url: ''
    },
    host: {
      host_id: '51624384',
      host_url: 'https://www.airbnb.com/users/show/51624384',
      host_name: 'Giovanni',
      host_location: 'Hong Kong, Hong Kong',
      host_about: '',
      host_thumbnail_url: 'https://a0.muscache.com/im/pictures/264b82a7-756f-4da8-b607-dc9759e2a10f.jpg?aki_policy=profile_small',
      host_picture_url: 'https://a0.muscache.com/im/pictures/264b82a7-756f-4da8-b607-dc9759e2a10f.jpg?aki_policy=profile_x_medium',
      host_neighbourhood: 'Soho',
      host_is_superhost: false,
      host_has_profile_pic: true,
      host_identity_verified: false,
      host_listings_count: 1,
      host_total_listings_count: 1,
      host_verifications: [ 'email', 'phone', 'reviews', 'jumio', 'government_id' ]
    },
    address: {
      street: 'Hong Kong, Hong Kong Island, Hong Kong',
      suburb: 'Central & Western District',
      government_area: 'Central & Western',
      market: 'Hong Kong',
      country: 'Hong Kong',
      country_code: 'HK',
      location: {
        type: 'Point',
        coordinates: [ 114.15027, 22.28158 ],
        is_location_exact: true
      }
    },
    availability: {
      availability_30: 0,
      availability_60: 0,
      availability_90: 0,
      availability_365: 0
    },
    review_scores: {
      review_scores_accuracy: 10,
      review_scores_cleanliness: 10,
      review_scores_checkin: 10,
      review_scores_communication: 10,
      review_scores_location: 10,
      review_scores_value: 8,
      review_scores_rating: 100
    },
    reviews: [
      {
        _id: '56904633',
        date: ISODate("2015-12-19T05:00:00.000Z"),
        listing_id: '10059872',
        reviewer_id: '5302612',
        reviewer_name: 'Octavio',
        comments: 'The host canceled this reservation 11 days before arrival. This is an automated posting.'
      },
      {
        _id: '223175530',
        date: ISODate("2018-01-01T05:00:00.000Z"),
        listing_id: '10059872',
        reviewer_id: '48436743',
        reviewer_name: 'Ross',
        comments: 'Giovanni was very helpful and responsive to my questions. This is a great apartment that is very convenient for exploring Hong Kong.'
      },

      {
        _id: '247251577',
        date: ISODate("2018-03-27T04:00:00.000Z"),
        listing_id: '10059872',
        reviewer_id: '111288273',
        reviewer_name: 'Christian',
        comments: 'The host canceled this reservation 8 days before arrival. This is an automated posting.'
      }
    ]
  },
.......

Query:

db.listingsAndReviews.find().limit(1).forEach(function(doc) {
print("Host Name: " + doc.host.host_name);
print("Host Location: " + doc.host.host_location);
print("Host About: " + doc.host.host_about);
});

Output:

Host Name: Ynaie
Host Location: Rio de Janeiro, State of Rio de Janeiro, Brazil
Host About: I am an artist and traveling is a major part of my life. I love treating visitors the way I like to be treated when I´m abroad and I'm usually renting my flat while I'm away. I can recommend some cool parties and nights out as well as advise on some hidden secrets of Rio’s nature!

Explanation:

The said query in MongoDB extracts the host_name, host_location, and host_about of the first record in the listingsAndReviews collection.

The find() method retrieves all documents in the listingsAndReviews collection, the limit() method to return only one document, and the forEach() method to loop over the document and print the host_name, host_location, and host_about fields of the host sub-document.

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