If you wish to change your answer, get the database into the correct state, and then click ‘submit’. Type the command that you would issue in the Mongo shell to create an index on company, descending. To help you verify your work before submitting, the author with the fewest comments is Cody Strouth and he commented 68 times. Build a replica set and insert data into the secondary nodes to free up the primary nodes. In fact, we’ve created a collection with a very similar schema to the Enron dataset, but filled instead with randomly generated data. Login to resync this repository. Load up the blog dataset posts.

Project Statistics Sourcerank 1 Repository Size From ” , headerTo: Develop faster and manage open source risks with the Tidelift Subscription. ObjectId ” cb4cfbf8 ” , ” student “: Write an aggregation query with just a sort stage to sort by state, city , both ascending.

Type the command that you would issue in the Mongo shell to create an index on company, descending.

Mongodb M101J Homework 1 1 Answers

Connecting to a Replica Set from the Java Driver. ObjectId ” cb4cfbf8 “” student “: Please set myrnarackham’s country code to “RU” but leave the rest of the document and the rest of the collection unchanged.

m101j homework 5.2

HashSet ; import java. What m11j potentially improve the speed of inserts. Project Statistics Sourcerank 1 Repository Size Your job is to search the code for the string “XXX work here” and make the necessary changes. This is a Hands On problem.

Limitations of the Aggregation Framework.

NO – cannot do updates on secondaries. This full round trip and redisplay of the entire web page is not how you would implement liking in a modern web app, but it makes it easier homewwork us to reason about, so we will go with it.


Something wrong with this page? ObjectId ” 4f16fc97d1e2df02 “” body “: Application Engineering 07 November—14 November. COM “” X-bcc “: Knowledge of relational databases is m1011j required.

From “headerTo: Imagine an electronic medical record database designed to hold the medical records of every individual in the United States. In this problem, you will be enhancing the blog project to support users liking certain comments and the like counts showing up the in the permalink page. That is, think mostly about the operational aspects of such a system.

m101j homework 5.2

If you leave the question and come back, the database will re-initialize. Write a query that will find the closest three places the closest three documents to the location 74, ObjectId ” b87eedbebc4 “” name “: Check all that apply. ArrayList ; import java. ObjectId ” be8dfde94c “” interests “: Message-ID” of ” Objective After completing this course, m1011j should have a good understanding as to how applications are built on top of MongoDB using Java.

Introduction and Overview 06 October—10 October.

To tell the mongod to communicate with each other we have to create 5.22 configuration and execute the configuration. YES – The query scanned every document in the collection.

MongodbChamps: MJ: MongoDB for Java Developers Homework

Field mappings, indexes and constraints in Morphia. When you are done removing the orphan images from the collection, there should be 89, documents in the images collection. Which of the following documents will be returned, assuming they are in the movies collection?

Bson ; import java.