### M101P HOMEWORK HOMEWORK 5.1

Which of the following statements are true about choosing and using a shard key? Newer Post Older Post Home. Those students achieved a class average of We will be using a data set similar to ones we’ve used before. In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog.

For this problem, assume that a city name that appears in more than one state represents two separate cities. Now connect to a mongo shell and make sure it comes up Now you will create the replica set. Create three directories for the three mongod processes. Then import into your blog database as follows:. Start by downloading the handout zip file for this problem. The output of sh. Then import into your blog database as follows:

It has been tested under Pymongo 2. Note that are three commands. Who’s the easiest grader on campus?

# [Solution] Week 6 :Aggregation Framework : MP: MongoDB for Developers

You need to group twice to solve this problem. For hpmework problem, assume that a city name that appears in more than one state represents two separate cities.

You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page. For this problem, we have used a subset of the data you previously used in zips. If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer.

There is also an issue with some hoework of MongoDB 3. This involves calculating an average for each student in each class of all non-quiz assessments and then averaging those numbers to get a class average. Please use the Aggregation pipeline to solve this problem. Let’s suppose you have a five member replica set and want to assure that writes are committed to the homewokr and homeworj acknowledged by at least 3 nodes before you proceed forward.

Your task is to calculate the class with the best average student performance. The documents look like this: Posted by Unknown at 6: For example, to extract the first digit from the city field, you hoework write this query: After that, you just need to sort.

We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters! Note that not all students in the same class have the same exact number of assessments.

To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. You need to group twice to solve this problem. Newer Post Older Post Home.

Type the following commands into the mongo shell: Start by downloading the handout zip file for this problem. Failed with error ‘migration already in progress’, from s0 to s1 databases: Some students have three homework assignments, etc.

# Mongodb MJ Homework 1 1 Answers

Note that not all students in the same class have the same exact number of assessments. Prefered Cities to Live! A city might have multiple zip codes.

Download the handout and mongoimport. For this problem, homeork that a city name that appears in more than one state represents two separate cities.

Create three directories for the three mongod processes. Check all that apply.

## Mongodb M101J Homework 1 1 Answers

Import it into your mongod using the following command from the command homewofk In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. If you prefer, you may download the handout and perform your analysis on your machine with.