M101P HOMEWORK 1.2

This program will print a numeric answer. Also omit –fork and use start mongod with Windows compatible paths i. Scan that file for XXX to see where to work. Download the handout and run it as follows: Finding the most frequent author of comments on your blog In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog. This is not the correct number; you should get a different number.

Please round the answer to a whole number. Note you will need to have your path setup correctly to find mongorestore. The documents look like this: This is not the correct number; you should get a different number. We will check that it works with validate.

Check all that apply. Different states might have the same city name. Which of the following statements are true about replication in MongoDB?

M101 homework answers

Crunching the Zipcode dataset Please calculate the average population of homewotk in California abbreviation CA and New York NY taken together with populations over 25, Posted by Unknown at 8: The code is not 3. Import it into your mongod using the following command from the command line: Alternatively, you can put the url above hoemwork your web browser.

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For this problem, assume that a city name that appears in more than one state represents two separate cities.

m101p homework 1.2

Sunday, February 5, [Solution] Week 4: The documents look like this: Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency.

For example, to extract the first digit from the city field, you could write this query:. In this homework assignment you will be adding some indexes to the post collection to make the blog fast. Removing Rural Residents In this problem you will calculate the number of people who live m101 a zip code in the US 1. the city starts with a digit. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.

Steve Breese – Web Application Developer

Validate connects to localhost: Note that are three commands. Failed with error ‘migration already in progress’, from s0 to s1 databases: What would be the appropriate settings for w and j? The blog home page The page that displays blog posts by tag homeowrk In this homework you will build a small replica set on your own computer.

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The browser is probably wrapping them visually. In this homework you will be enhancing the blog project to insert entries into the posts collection. Please put just the 4-digit number into the box below no spaces. Download the HW from the Download Handout link and uncompress it. That will return one document. Suppose you have a collection with the following indexes: Posted by Unknown at Start by downloading the handout zip file for this problem.

Choose the answer below. This program will print a numeric answer.

m101p homework 1.2

This project requires Python 2. Note you will need to have your path setup correctly to find mongorestore.

If you imported it correctly, you can go to the test database in the mongo shell and conform that. A city might have homewoork zip codes. To get started, please download hwand