Examples of MongoDB sort()

To understand sort method in MongoDB we need a collection called students on which we will perform various operations and queries. 

[
  {
    _id: ObjectId('600f1abb923681e7681ebdce'),
    name: 'Akshay',
    age: 19
  },
  { _id: ObjectId('600f1abb923681e7681ebdcf'), name: 'Bablu', age: 18 },
  {
    _id: ObjectId('600f1abb923681e7681ebdd0'),
    name: 'Rakesh',
    age: 21
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd1'),
    name: 'Gourav',
    age: 20
  }
]

Example 1: Ascending Order

db.student.find().sort({age:1})

Output:

[
  { _id: ObjectId('600f1abb923681e7681ebdcf'), name: 'Bablu', age: 18 },
  {
    _id: ObjectId('600f1abb923681e7681ebdce'),
    name: 'Akshay',
    age: 19
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd1'),
    name: 'Gourav',
    age: 20
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd0'),
    name: 'Rakesh',
    age: 21
  }
]

Example 2: Descending Order

db.student.find().sort({age:-1})

Output:

[
  {
    _id: ObjectId('600f1abb923681e7681ebdd0'),
    name: 'Rakesh',
    age: 21
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd1'),
    name: 'Gourav',
    age: 20
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdce'),
    name: 'Akshay',
    age: 19
  },
  { _id: ObjectId('600f1abb923681e7681ebdcf'), name: 'Bablu', age: 18 }
]

Example 3: Ascending order of student name:

db.student.find().sort({name:1})

Output:

[
  {
    _id: ObjectId('600f1abb923681e7681ebdce'),
    name: 'Akshay',
    age: 19
  },
  { _id: ObjectId('600f1abb923681e7681ebdcf'), name: 'Bablu', age: 18 },
  {
    _id: ObjectId('600f1abb923681e7681ebdd1'),
    name: 'Gourav',
    age: 20
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd0'),
    name: 'Rakesh',
    age: 21
  }
]

Example 4: Descending order of student name::

db.student.find().sort({name:-1})

Output:

[
  {
    _id: ObjectId('600f1abb923681e7681ebdd0'),
    name: 'Rakesh',
    age: 21
  },
  {
    _id: ObjectId('600f1abb923681e7681ebdd1'),
    name: 'Gourav',
    age: 20
  },
  { _id: ObjectId('600f1abb923681e7681ebdcf'), name: 'Bablu', age: 18 },
  {
    _id: ObjectId('600f1abb923681e7681ebdce'),
    name: 'Akshay',
    age: 19
  }
]

In MongoDB, the sort() method is used to specify the order in which the query returns matching documents from a collection. It allows users to arrange documents in either ascending (1) or descending (-1) order based on the values of one or more fields. In this article, We will learn about the MongoDB sort() method in detail by understanding the various examples and so on.