For this problem, we have used a subset of the data you previously used in zips. Once you’ve generated your aggregation query and found your answer, select it from the choices below. MongoDB preserves the order of writes in a collection in its consistency model. MongoDB has a data type for binary data. Import it into your mongod using the following command from the command line:.

Now use the aggregation framework to calculate the author with the greatest number of comments. What result does this expression give when evaluated? After that, you just need to sort. Some students have three homework assignments, etc. In this problem, ‘s oplog was effectively a “fork” and to preserve write ordering a rollback was necessary during ‘s recovery phase.

You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average. Those students achieved a class average of The answer for CT and NJ using this data set is Import it into your mongod using the following command from the command line:.

For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. The questions were all quite straightforward and covered in the online course material.


homework 5.3 mongodb

What is the output? Note that not all students in the same class have the same exact number of assessments. You only have two data centers available. I installed the latest version of MongodDB version 3.

Please round the answer to a whole number. Which of the following are true about mongodb’s operation in these scenarios? How many products have a voice limit?

Mongodb homework 5.3 .net

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. That is, have a voice field present in the limits subdocument. When done, run homework. How many documents do you have?

MongoDB allows you to choose the storage engine separately for each collection on your mongod.

homework 5.3 mongodb

MongoDB is “multi-master” — you can write anywhere, anytime. In this problem you will calculate the number of people who live in a 5. code in the US where the city starts with one of the following characthers:.


Your task is to calculate the class with the best average student performance. Check all that apply.

homework 5.3 mongodb

Download the handout and mongoimport. Once you have two secondary servers, both of which have sync’d with the primary and are caught up, run on your primary: Prefered Cities to Live! homewor


Daily MongoDB Blog: MongoDB University Course M MongoDB for DBAs

To help you verify your work before submitting, the author homewofk the fewest comments is Mariela Sherer and she commented times. None of the above. Connect to the mongos with a mongo shell.

Which of these statements is true? For this problem, we have used a subset of the data you previously used in zips.

Which arrangement s of servers will allow you to be stay up as in, still able to elect a primary in the event of a failure of either data center but not both mongovb once? Friday, 8 September Week 5: 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, To be clear, each student’s average includes only exams and homework grades.

Choose the answer below. You need to group twice to solve this problem.