M101P HOMEWORK HOMEWORK 5.1

M101P HOMEWORK HOMEWORK 5.1

In this problem you will calculate the number of people who live in a zip code in the US where the city starts with a digit. Some students have three homework assignments, etc. Prefered Cities to Live! Those students achieved a class average of Please round the answer to a whole number. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average.

This is why there are only documents and zip codes , and all of them are in New York, Connecticut, New Jersey, and California. Check all that apply. In this homework you will build a small replica set on your own computer. Please calculate the average population of cities in California abbreviation CA and New York NY taken together with populations over 25, It has been tested under Pymongo 2.

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

After that, you just need to sort. The browser is probably wrapping them visually. Please calculate the average population of cities in California abbreviation CA and New Homeworm NY taken together with populations over 25, You need to group twice to solve this problem.

Create three directories for the three mongod processes. If you imported it correctly, you can go to the test database in the mongo shell and conform that. Type the following commands into the mongo shell: Also omit –fork and use start mongod with Windows compatible paths i. Some students have three homework assignments, etc. At the end I just want to say if you want to learn mongoDB, First practice with youself.

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m101p homework homework 5.1

In this problem you will calculate the number of people homewoek live in a zip code in the US where the city starts with a digit. Newer Post Older Post Home.

m101p homework homework 5.1

Failed with error ‘migration already in progress’, from s0 to s1 databases: You will be using the zip code collection data homeworkk, which you will find in the ‘handouts’ link in this page. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. You will need hmework probably change your projection to send more info through than just that first character.

Also, you will need a filtering step to get rid of all documents where the city does not start with a digital Please use the Aggregation pipeline to solve this problem.

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

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

The output of sh. Ankit Raina May 7, at 3: Who’s the easiest grader on campus? Download the handout and mongoimport.

[SOLUTION] WEEK 5 : INDEXES AND PERFORMANCE : MJS: MONGODB FOR DEVELOPERS

For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. The documents look nomework this: 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. Which of the following statements are true about choosing and using a shard key? The answer for CT and NJ using this data set is You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average.

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MongoDB university m101p chapter 5 homework

Now use the aggregation framework to calculate the author with the greatest number of comments. Different states might have the same city name. Your homeork is to calculate the class with the best average student performance.

m101p homework homework 5.1

Import it into your mongod using the following command from the command line: For this problem, assume that a city name that appears in more than one state represents two separate cities. Which of the following statements are true about replication in MongoDB? You need to group twice to solve this problem.