HomeNoSQL
NoSQL Online Test
Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry/Mid/Senior

NoSQL Test

NoSQL online test is the ideal test for recruiters and hiring managers to assess candidate's understanding of NoSQL. Our test is useful for hiring NoSQL DataBase Engineer, Hadoop and NoSQL Operations Engineer, NoSQL Database Administrator, NoSQL Platform Engineer, and NoSQL Data Analyst. Our customers have reported that iMocha's NoSQL test has helped them to reduce hiring time by 45%.

17172
+
Candidates
Assessed
117
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
Coupa
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About

NoSQL Online Test

NoSQL (Not Only SQL) is a non-relational database. NoSQL is especially useful when an enterprise needs to access and analyze massive amounts of unstructured data or data that are stored remotely on multiple virtual servers in the cloud.

NoSQL Online Test enables recruiters, hiring team and employers, to effectively assess the NoSQL skills of the candidates before an interview. The NoSQL Assessment test is specially designed to evaluate the application-oriented NoSQL skills for hiring your NoSQL expert.

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How it works

Test Summary

Test Duration
20
No. of Questions
10
Level of Expertise
Entry/Mid/Senior
Useful for hiring
  • NoSQL DataBase Engineer
  • Hadoop and NoSQL Operations Engineer
  • NoSQL Database Administrator
  • NoSQL Platform Engineer
  • NoSQL Data Analyst
Topics Covered
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Column-Store system

iMocha’s NoSQL online test helps recruiters and hiring managers to evaluate candidate’s understanding about column store system

Key-value solutions

Our NoSQL skill test assesses candidate’s understanding about key-value solution which simply uses key value method to store data where key serves as a unique identifier
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Graph-Based Solutions

Our NoSQL assessment test checks applicant’s knowledge about NoSQL graph database, database management technology that handles very large sets of structured, semi-structured or unstructured data
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Document-Store Id store system

This test evaluates candidate’s knowledge about Document-Store Id store which is a computer program and data storage system designed to store, retrieve and manage document-oriented information
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Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

Difficulty:

Easy

Question:

Consider the given code snippet:

rowID (1,2,3)
login(‘jratt’, ‘pratt’, ‘dsmith’)
email(jratt@company.com’, ‘pratt@company.com’, ‘dsmith@company.com’)
accesslevel(3,2,1)
lastloggedon (null, ‘1/1/2015’, null)
building (‘NY’, ‘IL’, null)

You are attempting the following insert:

Insert into users (rowID, login, email, accesslevel, building) values (2, ‘btompson’,‘pratt@company.com’, 2, ‘IL’)

Why will it not work?


Options

  • The email is already in use.
  • The row ID is already in use.
  • The accesslevel is already in use.
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