MongoDB

Concepts

• Document Database

Collections

MongoDB stores data records as documents (specifically BSON documents) which are gathered together in collections. A database stores one or more collections of documents.

• Database Sharding

Operations

Insertion

 - db.collection.insertMany()
insert new documents into the movies collection.

db.movies.insertMany([
   {
      title: 'Titanic',
      year: 1997,
      genres: [ 'Drama', 'Romance' ],
      rated: 'PG-13',
      languages: [ 'English', 'French', 'German', 'Swedish', 'Italian', 'Russian' ],
      released: ISODate("1997-12-19T00:00:00.000Z"),
      awards: {
         wins: 127,
         nominations: 63,
         text: 'Won 11 Oscars. Another 116 wins & 63 nominations.'
      },
      cast: [ 'Leonardo DiCaprio', 'Kate Winslet', 'Billy Zane', 'Kathy Bates' ],
      directors: [ 'James Cameron' ]
   },
   {
      title: 'The Dark Knight',
      year: 2008,
      genres: [ 'Action', 'Crime', 'Drama' ],
      rated: 'PG-13',
      languages: [ 'English', 'Mandarin' ],
      released: ISODate("2008-07-18T00:00:00.000Z"),
      awards: {
         wins: 144,
         nominations: 106,
         text: 'Won 2 Oscars. Another 142 wins & 106 nominations.'
      },
      cast: [ 'Christian Bale', 'Heath Ledger', 'Aaron Eckhart', 'Michael Caine' ],
      directors: [ 'Christopher Nolan' ]
   }
])

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