suppose that you have a collection of documents in mongodb, each document represent a movie

information as the following sample show

For each case of the following, query MongoDB to return results from the collection:

Return all document whose title is "Into Darkness" & produced before $2010$

For the same query in $(1),$ make MongoDB only return the following fields; title, year

Delete only one document from the collection whose title is "Word War $1"$

Return all documents that are released in "Germany" country

Write a query to add rating:$4$ to the document whose title is "Word War $1"$

Sort movies in ascending order based on the rating and number of types in genre field

Use mapreduce to run mongodb that finds movies whose rating is $3$ movies produces in $1999$;

write map function, reduce function, and how to use them in query