Scan that file for XXX to see where to work. Please use the Aggregation pipeline to solve this problem. Please choose your answer below for the most prolific comment author:. The answer for CT and NJ using this data set is Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. Note that this is an 5. For example, to extract the first character from the city field, you could write this pipeline:.

If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. Prefered Cities to Live! The blog home page The page that displays blog posts by tag http: You can mp rs. Who’s the easiest grader on campus? Download the handout and mongoimport.

For this homework, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. The project operator can extract the first digit from any field. Install MongoDB on your computer and run it on the standard port. Type the following commands into the mongo shell: Once you’ve generated your aggregation query and found your answer, select it from the 5.2 below.


To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.

Study IQ World: Week 5 : AGGREGATION FRAMEWORK : MP: MongoDB for Developers

Uomework the handout and mongoimport. Posted by Unknown at You need to group twice to solve this problem. Which of the following queries can utilize at least one index to find all matching documents, or to sort? Suppose you have a collection with the following indexes: This project requires Python 2.

Homework 4 MathWinter 1. Use mongorestore to restore the dump into your running mongod.

M101p homework 5.2 answers

Failed with error ‘migration already in progress’, from s0 to s1 databases: Type the validation code below. Import it into your mongod using the following command from the command line: The project operator can extract the first digit from any field. After that, you just need to sort.

There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. Also omit –fork and use start mongod with Windows compatible paths i.


Omit -p from mkdir. Now connect to a mongo shell and honework sure it comes up Now you will create the replica set. Sunday, January 22, [Solution] Week 1: Download the HW from the Download Handout link and uncompress it. But you can, for fun. You can mp rs.

Mp homework answers –

The output of sh. You must accept our Terms Of Service before continuing. For this problem, we have used a subset of the data you previously used in zips.

m101p homework 5.2

Some students have three homework assignments, etc. What is the latency of the longest running operation to the collection, in milliseconds?

Now use the aggregation framework to calculate the author with the greatest number of comments.

m101p homework 5.2

There should bedocuments homework restore. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average.