getIndexes.txt

# MongoDB db.collection.getIndexes() method demo

# Create unique index
# email => ascending
bigboxcode> db.customer.createIndex({email: 1}, {unique: true})

output:
email_1

# Set index with name
# name => ascending
bigboxcode> db.customer.createIndex({name: 1}, {name: "my_name_idx"})

output:
my_name_idx

# Set index
# address.country => ascending
# address.state => ascending
# address.zipcode => hashed
bigboxcode> db.customer.createIndex({"address.country": 1, "address.state" : 1, "address.zipcode" : "hashed"})

output:
address.country_1_address.state_1_address.zipcode_hashed

# Create hidden index
bigboxcode> db.customer.createIndex({profileCompletenessScore: 1}, {hidden: true})

output:
profileCompletenessScore_1


# Check the indexess of customer collection
bigboxcode> db.customer.getIndexes()

output:
[
  { v: 2, key: { _id: 1 }, name: '_id_' },
  { v: 2, key: { email: 1 }, name: 'email_1', unique: true },
  { v: 2, key: { name: 1 }, name: 'my_name_idx' },
  {
    v: 2,
    key: {
      'address.country': 1,
      'address.state': 1,
      'address.zipcode': 'hashed'
    },
    name: 'address.country_1_address.state_1_address.zipcode_hashed'
  },
  {
    v: 2,
    key: { profileCompletenessScore: 1 },
    name: 'profileCompletenessScore_1',
    hidden: true
  }
]