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Mongo

Mongo online coding tests & interview questions

Python
MIDDLE
Tested skills
Duration
66 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Python, NoSQL, MongoDB

Code gaps

assessing knowledge of Python, NoSQL, MongoDB

Programming task - Level: Medium

Python | MongoDB | Stock market quotes | Recent Prices - Loading and querying stock market data with MongoDB collections.

MongoDB
MIDDLE
Tested skills
Duration
51 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB

Task - Level: Medium

SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.

MongoDB
SENIOR
Tested skills
Duration
56 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB

Task - Level: Hard

SQL | Fill sparse table - Write a query that will return the list of all users with the creation date and return the date from the previous not-null row for the entries affected with the bug.

MongoDB
JUNIOR
Tested skills
Duration
27 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB, SQL

Task - Level: Easy

SQL | Stamps catalogue | CASE statement - Make a select statement, by which you will divide your stamps collection into 3 groups.

JavaScript
MIDDLE
Tested skills
Duration
121 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ExpressJS

Programming task - Level: Medium

Angular 2+ Notepad App

Programming task - Level: Medium

Node.JS - Mongo - Course report

Code gaps

assessing knowledge of MongoDB

Node.js
MIDDLE
Tested skills
Duration
62 minutes max.
Evaluation
Automatic
Test overview

Choice Questions

Verify knowledge of Node.js: Callbacks and variables, EventEmitter one-time events, frameworks, Using HTTPS, Isomorphic programming, and Reading from a file

Programming task

Complete the functions in mongo-commands.js in order to create a map reduce routine that reports each student’s primary key, their name, and the number of courses they are enrolled in.