HomeDatabase Tests
Database Normalization Skills Test
Test duration:
30
min
No. of questions:
20
Level of experience:
Mid/Senior

Database Normalization Skills Test

The assessment includes an in-depth analysis of candidates' database normalization skills, such as maintaining data integrity, security, privacy, database recovery, etc. It enables recruiters to improve the interview-selection ratio by 70% and measure your learning programs' ROI.

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Deloitte
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The United Nations
Fujitsu
The United Nations

What is Database Normalization?

It is a data management procedure followed by data engineers, architects, and administrators to store and maintain an application's data efficiently. It involves structuring and organizing data in such a way that it maximizes data efficiency and minimizes data redundancy.

Why Choose iMocha?

This skill test assesses the candidates' and employees' ability to work on data, normal forms, models, techniques, and more. At the same time, L&D managers can leverage this test to identify employees' weaknesses and strengths to make intelligent talent decisions.

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How it works

Test Summary

The skill assessment evaluates the following skills possessed by individuals:

  • Demonstration of data normal forms (1FN, 2NF, and 3NF)
  • Proficiency in creating data models
  • Ability to analyze functional dependency within the provided data
  • Application of data normalization techniques to transform data
  • Understanding of trade-offs for denormalizing data
  • Familiarity with database design practices, including indexing, query, optimization, data integrity

The test analytics feature also allows you to compare candidate scores and make informed decisions about who to hire and where to put extra training efforts.

Useful for hiring
  • Database Administrator (DBA)
  • Database Developer
  • Data Analyst
  • Data Engineer
  • Database Architect
  • Database Designer
  • Data Modeler
  • Database Consultant
  • Database Analyst
  • Database Specialist
Test Duration
30
min
No. of Questions
20
Level of Expertise
Mid/Senior
Topics Covered
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Sample Question
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Question:

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You can customize this test by

Setting the difficulty level of the test

Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.

Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment and assess multiple skills together.

Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.

Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.
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FAQ
How is this skill test customized?
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This skill test can be customized with the help of iMocha's SMEs (Subject Matter Experts). They can create a custom set of questions on areas like DBMS, SQL, data modeling, reasoning, and more. Furthermore, you can also set the difficulty level of the question to assess individuals' abilities better.

What are the most common interview questions related to Database Normalization?
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Here are the most common interview questions asked related to this domain:

  • Explain SQL statements along with their types.
  • How do you normalize the provided data?
  • Can you provide some real-world examples that require database normalization?
  • Elaborate on joins and their types.
  • What is your understanding of ACID and its types?

If you are looking for a more custom set of questions, iMocha can help!

What are the required skill sets to work in this domain?
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Here is a list of technical and non-technical skills required for the role:

Technical Skills:

  • Knowledge of DBMS (Database Management System)
  • Proficiency in normalization techniques
  • Ability to perform data modeling
  • Strong SQL Expertise
  • Understanding of performance optimization

Non-Technical Skills:

  • Analytical thinking
  • Problem-solving
  • Eye for detail
  • Effective and clear communication skills