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Mongo DB Solution.

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Mongo DB Solution

29 ARTICLES
Mongo DB Solution · 1 min read

The solution to HOMEWORK 4.1 M101JS: MongoDB for Node.js Developers

The solution to HOMEWORK 4.1 M101JS: MongoDB FOR NODE.JS DEVELOPERS Suppose you have a collection with the following indexes: > db.products.getIndexes() [ { "v" :…OCT 8, 2018 Mongo DB Solution · 1 min read

Final: Question 6 Solution M101JS: MongoDB for Node.js Developers

Final: Question 6 Suppose you have a collection of students of the following form: { "_id" : ObjectId("50c598f582094fb5f92efb96"), "first_name" : "John", "last_name" : "Doe",…OCT 6, 2018 Mongo DB Solution · 3 min read

Final: Question 4 Solution M101JS: MongoDB for Node.js Developers

Final: Question 4 Enhancing the Blog to support viewers liking certain commentsIn this problem, you will be enhancing the blog project to support users…OCT 6, 2018 Mongo DB Solution · 2 min read

Final: Question 3 Solution M101JS: MongoDB for Node.js Developers

Final: Question 3 In this problem, you will update a document in the Enron dataset to illustrate your mastery of updating documents from the…OCT 5, 2018 Mongo DB Solution · 1 min read

Final: Question 2 Solution M101JS: MongoDB for Node.js Developers

Final: Question 2 Please use the Enron dataset you imported for the previous problem. For this question, you will use the aggregation framework to…OCT 5, 2018 Mongo DB Solution · 4 min read

The solution Homework 3.3 M101JS: MongoDB for Node.js Developers

The solution homework 3.3 M101JS: MongoDB for Node.js Developers Making your blog accept comments In this homework, you will add code to your blog…OCT 1, 2018 Mongo DB Solution · 4 min read

The solution Homework 3.2 M101JS: MongoDB for Node.js Developers

Making your blog accept posts In this homework, you will be enhancing the blog project to insert entries into the posts collection. After this,…OCT 1, 2018 Mongo DB Solution · 1 min read

The solution to HOMEWORK 4.4 M101JS: MongoDB for Node.js Developers

HOMEWORK: HOMEWORK 4.4 In this problem, you will analyze a profile log taken from a MongoDB instance. To start, please download sysprofile.json from Download…NOV 8, 2015 Mongo DB Solution · 2 min read

The solution to HOMEWORK 4.2 M101JS: MongoDB for Node.js Developers

HOMEWORK: HOMEWORK 4.2 Suppose you have a collection called tweets whose documents contain information about thecreated_at time of the tweet and the user’s followers_count…NOV 8, 2015 Mongo DB Solution · 1 min read

Answer for Homework 2.1 M101JS Courseware

HOMEWORK: HOMEWORK 2.1 In this problem, you will be using an old weather dataset. Download weather_data.csv from the Download Handout link. This is a…OCT 23, 2015 Mongo DB Solution · 1 min read

Store all your data in a Unicode format (UTF-8) – database

Getting error below while installing the moodle, How we can solve them? must be installed and enabled It is required that you store all…NOV 26, 2012 Mongo DB Solution · 6 min read

Referential Integrity

To establish a “parent-child” or a “master-detail” relationship between two tables having a common column, we make use of referential integrity constraints. To implement…SEP 7, 2010 Mongo DB Solution · 3 min read

Domain Constraints

(the principle behind attribute domains is similar to that behind typing of variables in programming languages.) We have seen that a domain of possible…SEP 7, 2010 Mongo DB Solution · 2 min read

Integrity Constraints

(The rules that should not be violated while performing an operation on the database) Integrity constraints ensure that changes made to the database by…SEP 7, 2010