MongoDB Mastering MongoDB for Beginners (Theory and Projects) - $nin Operator

What is the primary function of the 'not IN' operator in MongoDB?

• To find documents containing specified elements

• To find documents that do not contain specified elements

• To update documents with new values

• To sort documents in ascending order

In the given example, which quantities are excluded when using the 'not IN' operator with values 15 and 20?

• 15 and 20

• 25 and 30

• Only 20

• Only 15

How can you specify the field to apply the 'not IN' filter in MongoDB?

• By using the 'aggregate' method

• By using the 'update' method

• By providing an object with the field name

• By using the 'sort' method

What is the benefit of using multiple filters with the 'not IN' operator?

• It allows sorting of documents

• It enables updating multiple documents

• It filters out multiple unwanted elements

• It duplicates the documents

What is encouraged at the end of the video regarding the use of comparison operators?

• To avoid using them

• To use them only in specific cases

• To memorize all operators

• To experiment and practice with them