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Amongst which of the following is / are the command used to create collection in MongoDB?

30. Amongst which of the following is / are the command used to create collection in MongoDB?

1. db.dropDatabase()
2. db.createCollection()
3. Both A. and B.
4. None of the mentioned above

Answer: B) db.createCollection()

Explanation:

The db.createCollection (name, options) command is used to create a collection in MongoDB. Explanation: MongoDB uses the db.createCollection (name, options) command to create a collection. Normally, this is not necessary because MongoDB automatically creates collections when new documents are inserted into the database. db.createCollection is the command to use (name, options).

• Name: This is a string type that specifies the name of the collection that is going to be created.
• Options: The document type determines the amount of memory available and how the collection is indexed. It is a parameter that can be omitted.