MongoDB Tutorial for Beginners (2022) - NOT Operator

The video tutorial explains the use of the not operator in MongoDB to negate conditions. It provides a step-by-step guide on connecting to MongoDB, navigating databases and collections, and using the not operator to fetch records that do not meet a specific condition. The tutorial includes a practical example of retrieving employee records where age is not equal to 29, demonstrating how to execute and format the query results.

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

• To delete a document

• To update a document

• To negate a condition

• To add a new field to a document

Which command is used to switch to a specific database in MongoDB?

• use

• switch

• connect

• select

What command is used to view all collections in a MongoDB database?

• show collections

• get collections

• list collections

• display collections

How do you format the output of a find query in MongoDB?

• By using the 'arrange' function

• By using the 'style' function

• By using the 'pretty' function

• By using the 'format' function

Which syntax is used to apply the not operator in a MongoDB query?

• { $not: { : } }

• { $negate: { : } }

• { $exclude: { : } }

• { $remove: { : } }