ETL Assessments for ETL Developer

Candidates Assessed


Organisations Served


ETL assessments is the ideal pre-employment assessment for recruiters & hiring managers to assess ETL skills of candidates before an interview. ETL assessment test is useful for hiring roles such as ETL developer and ETL analyst. This assessment has helped our customers reduce their hiring costs and time-to-hire by 40%. 

About ETL Assessments for ETL Developer

ETL (Extract, Transform & Load) is the process performed in the data warehouse. It involves the extraction of data from multiple data sources (relational database), a transformation of data into suitable format & then loading the transformed data into destination system (another database, file, data warehouse).  ETL developer is responsible for implementing this ETL process effectively in order to get the data warehouse information from unstructured data. It is then used by business users & senior authorities to make the important business decisions. 

ETL assessments help tech recruiters and hiring managers to gauge database engineering skills of developers before hiring/recruiting. ETL assessment test is designed & validated by experienced Subject Matter Experts (SME) to assess and hire ETL developers as per the industry standards. 

Are you a jobseeker looking to sharpen your skills?

Test Summary

Our intelligent reports on ETL skill assessment test will provide you the detailed analysis of skills related strengths & weaknesses of the candidates that will help you in making better hiring decisions. 
ETL skills assessment test may contain MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blanks, Descriptive, Whiteboard Questions, Audio / Video Questions, AI-LogicBox (AI-based Pseudo-Coding Platform), Coding Simulations, True or False Questions, etc. 

Test Duration: 40 minutes

No. of Questions: 20

Level of Expertise: Entry Level/Mid/Senior

Useful for hiring

  • ETL Data warehouse Application Developer
  • ETL Developer
  • ETL Analyst

Topics Covered

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Data Reduction

iMocha’s ETL assessment test evaluates candidate’s ability to use data reduction process to reduce certain aspect of data and represent it in a smaller volume  

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Data Mining Process

This ETL test assesses candidate’s understanding about Data Mining to analyze patterns and then extract from large amount of dataset  

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Data Integration and Transformation

This ETL online assessment test helps in evaluating candidate’s knowledge about data integration and data transformation    

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Data Modeling Techniques

Our ETL skills assessment test helps in evaluating candidate’s understanding about data modeling process which analyzes the data objects and their relation to other objects  

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Database Lifecycle

This test helps recruiters and hiring managers to assess a candidate’s understanding about database lifecycle management system to trace the history of database and make records in a system 

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Data Objects DataStage Engine

Our test evaluates candidate’s knowledge about DataStage tool to extract, transform, and load data from the source to destination   

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Aggregate Stage

This test helps in assessment of candidate’s understanding about using Aggregate stage to group operations  

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DataStage Functions

This test evaluates candidate’s working ability with different functions used in DataStage   

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Data Warehouse

This test evaluates candidate’s understanding about data warehousing to store information securely for a business  

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Data Stage

Our test helps recruiters in assessment of candidate’s understanding about DataStage ETL tool to extract and transform data from source to target destination 

Sample Questions

Choose from our 100,000+ question library or add your own questions to make powerful custom tests

Question types:

Multiple Option


Data Modeling : Entities



Q 1. Which of the following is a relationship?
A person, place, or thing
Property or characteristic of an entity
Link between entities
Weak entity

Question types:

Multiple Option





Q 2. Which of the following is true for three-tier data warehouses?
Once created, the data marts will keep on being updated from the data warehouse at periodic times.
Once created, the data marts will directly receive their new data from the operational databases.
The data marts are different groups of tables in the data warehouse.
A data mart becomes a data warehouse when it reaches a critical size.

Sample Report

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Skill wise performance report by iMocha

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You can customize this test by

difficulty level
Setting difficulty level of test      

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

multiple skills
Combining multiple skills into one test

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

adding own skill
Adding your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.                       

tailor made test
Requesting a tailor-made test                  

Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

Trusted By

Vipin Sharma, Mobile Programming
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“Thanks to Customer Success Team of iMocha, they have shared the best practices of quick test creation & also helped us in training all our recruiters for various functionalities of the tool. Now my team of 25 recruiters has adopted this measure & it has done wonders for our clients.”

Vipin Sharma, Mobile Programming

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