M101J MONGODB FOR JAVA DEVELOPERS HOMEWORK ANSWERS WEEK 2

After that, you just need to sort. Don’t include their quiz scores in the calculation. If everything is working properly, you should be able to start the blog by typing: The documents look like this: At the end I just want to say if you want to learn mongoDB, First practice with youself.

Once you’ve generated your aggregation query and found your answer, select it from the choices below. For this problem, assume that a city name that appears in more than one state represents two separate cities. Note that not all students in the same class have the same exact number of assessments. You should see three files at the highest level: Crunching the Zipcode dataset Please calculate the average population of cities in California abbreviation CA and New York NY taken together with populations over 25, Sunday, January 22, [Solution] Week 2: Who’s the easiest grader on campus?

M101J Mongodb For Java Developers Homework Answers Week 2

Now use the aggregation framework to calculate the author with the greatest number of comments. Use that data set to answer this question. For this problem, assume that a city name that appears in more than one state represents two separate cities.

  THESIS POWER PLANT MURSHIDABAD

m101j mongodb for java developers homework answers week 2

Who’s the easiest grader on campus? Please round the answer to a whole number. Download the handout and mongoimport. In this problem, you will be using a collection of student scores that is similar to what we used in the lessons. Sunday, January 22, [Solution] Week 2: Note that not all students in monngodb same class have the same exact number of assessments. Please query the video. We will be using a data set similar to ones we’ve used before.

A city might have multiple zip codes. The correct result will be: After that, you just need to sort. Some students have three homework assignments, etc.

m101j mongodb for java developers homework answers week 2

wrek The documents look like this: Friday, 8 September Week 5: Import it into your mongod using the following command from the command line:. Then import into your blog database as follows:.

Don’t include their quiz scores in the calculation. In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog Different states might have the same city name. Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with one of those possible first characters.

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For example, to extract the first character from the city field, you could write this pipeline:. Now it’s your turn to hojework the data set.

For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. MongoDB for Developers Homework 2.

MongoDBMJ: Mj Week2 Answers

Try for your self. If everything is working properly, you should be able to start the blog by typing: You should see three files at the highest level: Which of the choices below is the title of a movie from the year that is rated PG and won no awards? Choose the answer below. Newer Post Older Post Home.

At the end I just want to say if you want to learn mongoDB, First practice with youself. You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page.

m101j mongodb for java developers homework answers week 2