NoSQL

NoSQL interview questions and coding tests are expertly prepared by DevSkiller’s team of NoSQL specialists to assist recruiters in hiring NoSQL developers. Our selection of NoSQL interview questions tests the coding, time-management, and critical thinking skills of junior, middle, and senior-level NoSQL developers.

Python
MIDDLE
Testede færdigheder
Varighed
66 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om Python, NoSQL, MongoDB

Huller i koden

vurdering af viden om Python, NoSQL, MongoDB

Programmeringsopgave - Niveau: Medium

Python | MongoDB | Aktiekurser | Seneste priser - Indlæsning og søgning af aktiemarkedsdata med MongoDB-samlinger.

Python
SENIOR
Testede færdigheder
Varighed
66 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om Python, NoSQL, MongoDB

Huller i koden

vurdering af viden om Python, NoSQL, MongoDB

Programmeringsopgave - Niveau: svær

Python | MongoDB | Aktiekurser | Collection - Indlæsning og søgning af aktiemarkedsdata med MongoDB-samlinger.

Python
MIDDLE
Testede færdigheder
Varighed
41 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om MongoDB, NoSQL

Huller i koden

vurdering af viden om Python

Programmeringsopgave - Niveau:

Python | MongoDB | Aktiekurser - Indlæs og forespørg aktiemarkedsdata med MongoDB-samlinger.

MongoDB
MIDDLE
Testede færdigheder
Varighed
51 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om SQL, MongoDB, NoSQL

Huller i koden

vurdering af viden om MongoDB

Opgave - Niveau: Medium

SQL | Kundedata - Find alle de kunder, hvis for- og efternavn ikke er unikt i denne database, samt antallet af gange hvert for- og efternavnspar forekommer i databasen.

MongoDB
SENIOR
Testede færdigheder
Varighed
56 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om SQL, MongoDB, NoSQL

Huller i koden

vurdering af viden om MongoDB

Opgave - Niveau: svær

SQL | Udfyld sparsom tabel - Skriv en forespørgsel, der returnerer listen over alle brugere med oprettelsesdatoen og returnerer datoen fra den foregående ikke-nul-rækken for de poster, der er berørt af fejlen.

MongoDB
JUNIOR
Testede færdigheder
Varighed
27 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om SQL, MongoDB, NoSQL

Huller i koden

vurdering af viden om MongoDB, SQL

Opgave - Niveau: Let

SQL | Frimærkekatalog | CASE statement - Lav et select statement, hvormed du opdeler din frimærkesamling i 3 grupper.

JavaScript
MIDDLE
Testede færdigheder
Varighed
121 minutter max.
Evaluering
Automatisk
Testoversigt

Spørgsmål efter valg

vurdering af viden om ExpressJS

Programmeringsopgave - Niveau: Medium

Angular 2+ notesblok-app

Programmeringsopgave - Niveau: Medium

Node.JS - Mongo - Kursusrapport

Huller i koden

vurdering af viden om MongoDB

DevSkiller NoSQL interview questions are powered by the RealLifeTestingTM methodology, which is the real driving force behind our testing. This methodology is completely unique and provides valuable insight into a candidate’s NoSQL skills. Each developer is tested in an in-depth manner by challenging them with real-world tasks. Finding your next NoSQL developer has never been easier thanks to DevSkiller NoSQL interview questions.

Recommended roles for NoSQL interview questions

  • Junior SQL-udvikler
  • Middle SQL-udvikler
  • Senior SQL-udvikler
  • Softwareingeniør
  • SQL Server developer
  • Systems administrator
  • Quality assurance analyst
  • SQL Server Database Administrator

How our NoSQL interview questions work

DevSkiller NoSQL interview questions are powered by the RealLifeTestingTM methodology. Unlike other coding tests, RealLifeTestingTM works by presenting candidates with a simulated version of their real working environment and then sets them challenges to overcome within that simulation. This is revolutionary in developer testing. Implementing RealLifeTestingTM into our NoSQL interview questions means DevSkiller can offer recruiters an in-depth analysis of how each candidate is likely to perform within the role, from as early as the initial screening stage.

Our NoSQL interview questions assess a candidate’s coding skills, problem-solving ability, and time-management skills.

Key features of our NoSQL interview questions

  • Test your candidate’s coding skills and not just their academic knowledge
  • Watch the candidate’s taking tests in real-time, anywhere in the world
  • RealLifeTestingTM metodologi giver en større brugeroplevelse, hvor kandidaterne kan bruge deres egen IDE, klone til Git, køre enhedstests og få adgang til Stack Overflow/GitHub/Google til research
  • Various anti-plagiarism tools implemented to ensure test accuracy
  • Automatiserede resultater, som ikke-tekniske fagfolk kan forstå
  • NoSQL interview questions available for all levels of experience

Skills covered in our NoSQL interview questions

  • MongoDB
  • HSQLDB
  • MSSQL
  • MySQL
  • NoSQL
  • Oracle
  • PostgreSQL
  • SQL

What to look for in an NoSQL developer

SQL is the most popular 4GL (Fourth Generation Programming Language) and nowadays is often embedded in other, more general-purpose programming languages like Java, in order to access data from central databases. While our NoSQL interview questions can go a long way to helping you work out who is the best candidate, it is helpful to at least know a little bit about NoSQL and what you are looking out for.

Becoming a NoSQL developer requires a special mindset and a special set of skills. While basic tasks can be carried out easily, performing more complex tasks in NoSQL can be harder to get right.

A good knowledge, or at least a grasp of the basics of set theory is very important in NoSQL, as it allows developers to perform bulk operations on entire data sets, directly in the database. This can have a big impact on performance.

NoSQL has evolved a lot during the past decades and various features have been implemented to make a NoSQL developer’s life easier. Knowledge of features like window functions and CTE will set the beginners apart from the seasoned pros in this area and is important in ETL, reporting, BI, and analytics use-cases.

The vast majority of NoSQL performance-related issues can be solved with proper indexing.

Being able to identify situations where an index will be beneficial, or sometimes detrimental, is essential for any good NoSQL developer.

Build your own custom NoSQL interview questions

Maybe you think our NoSQL interview questions sound great, but you want to get more out of them. No problem. The DevSkiller online task platform allows you to build your very own customized NoSQL interview questions. Now you can choose the languages you test, as well as the difficulty and duration of the questions. Best of all, you can send test invitations to candidates all over the world. Finding your next NoSQL developer is easy with DevSkiller and our NoSQL interview questions.

Interested in our NoSQL interview questions but want more?

It can feel like a lot of pressure making financial decisions on behalf of your company, so you need to be sure you’re making the right choice. Don’t take our word for it that DevSkiller

interview questions are the best way to screen developers, read what our customers said:

Patrycja Kiljańska - Specialist i talentindkøb hos Spartez

"Vi har erstattet en intern løsning, der krævede meget vedligeholdelse, med DevSkiller. Vores proces ser ud som den samme, men produktet giver os en bedre ydeevne. Resultaterne er også meget nemmere at vurdere."

Ivana Nikolic - HR-chef hos ImpacTech

"Den største fordel for kandidaterne er, at de kan gennemføre prøverne, når det passer dem bedst. Hvis du har en kandidat, der allerede er i arbejde og overvejer at skifte karriere eller flytte til en anden virksomhed, er det også en tidsbesparelse for dem, da de ikke behøver at tage fri for at deltage i mange samtaler i jagten på en ny stilling."

Jonatan Rugarn - CEO, stifter, Recruiter hos Lingonberry Talent Acquisition, Engineering Manager hos Avinode Group

"Rekrutteringsprocessens varighed er ikke ændret, men vi bruger mindre tid og kræfter pr. kandidat. Vi spilder heller ikke tid på de forkerte kandidater."

Ofte stillede spørgsmål

How do candidates take a NoSQL test?

The first thing to know is Devskiller’s NoSQL interview questions are that they can be accessed remotely and taken from anywhere in the world. This can save you countless hours of in-house testing. Candidates receive their test links via email and can start them whenever they are ready. Time limits are added to the tests and expiration times can even be added to the links themselves to make sure recruiters aren’t left waiting.

For the tests themselves, candidates have the option of using our state of the art in-browser IDE, or to complete the project on their favorite IDE and then clone the project to GIT. They can also run unit tests to check their solutions work the way they are supposed to. Candidates are assessed on their coding skills, time management, and critical thinking. Once completed tests are automatically evaluated and a report is sent to the recruiter.

Hvor lang tid tager det at opsætte DevSkiller?

DevSkiller is a real time-saver when it comes to recruitment. Not only do our NoSQL interview questions greatly increase the efficiency of the screening process, but they are also remarkably easy to set-up. Our task wizard comes prepared with tests that are ready to send out, meaning all you have to do is create your account to be able to start testing candidates in as little as 5 minutes.

What do candidates think of DevSkiller NoSQL interview questions?

We receive regular feedback about our NoSQL interview questions from developer candidates that they love the structure of our tests. Developer’s get tired of their skills being tested using algorithmic assessments that don’t accurately reflect the work they actually do. DevSkiller testing is different and developer’s appreciate having the chance to prove their software development skills. If any are apprehensive, to begin with, we usually find it is because they are expecting our testing method to be similar to those frustrating algorithm tests they have grown used to taking. Once they realize our tests are different, the reaction is usually very positive.

Candidates also like the fact that DevSkiller tests use normal coding tools and conventions like unit testing, and cloning to GIT from a personal IDE. Overall, candidates appreciate the opportunity to prove their skills in a fair setting where, if they have the right skills, then they should have no difficulty progressing to the next stage.

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