MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution ($nin) Part 3

The video tutorial explains how to query MongoDB to find documents whose names are not 'XY' or 'AB'. It demonstrates using the 'not in' operator to filter out these names and includes a step-by-step guide on writing and executing the query. The tutorial concludes with a summary of the results and a brief wrap-up.

What is the primary goal of the task introduced in the video?

• To delete documents with names 'XY' or 'B'

• To update documents with names 'XY' or 'B'

• To identify documents whose names are not 'XY' or 'B'

• To find documents with names 'XY' or 'B'

Which MongoDB operator is used to exclude certain names from the query results?

• exists

• equals

• in

• not in

What are the names that should be excluded from the final output according to the query?

• XY and B

• IJ and MN

• AB and CD

• XY and AB

Which of the following names will be included in the final output?

• CD

• B

• XY

• AB

What is the outcome for documents with the name 'MN' in the query results?

• They are excluded

• They are included

• They are updated

• They are deleted