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ETL Assessments
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Entry Level/Mid/Senior

ETL Assessments

ETL assessments are the ideal pre-employment assessment for recruiters & hiring managers to assess the ETL skills of candidates before an interview. The ETL assessment test helps hire for the positions of ETL Developers and Analysts. This assessment has helped customers reduce their hiring costs and time-to-hire by 40%.

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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 a suitable format & then loading the transformed data into the destination system (another database, file, data warehouse). An ETL developer is responsible for implementing the ETL process effectively to gather data warehouse information from unstructured data. It is then used by business users & senior authorities to form critical business decisions.

ETL assessments help tech recruiters and hiring managers to gauge developers' database engineering skills before hiring/recruiting. The ETL assessment test is designed & validated by experienced Subject Matter Experts (SME) to assess and hire ETL developers as per industry standards. Explore a comprehensive collection of ETL interview questions and expert-crafted answers.

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Test Summary

Our intelligent reports on the ETL skill assessment test provides a detailed analysis of skills-related strengths & weaknesses of the candidates to facilitate better hiring decisions.

The ETL skills assessment test may contain MCQs (Multiple Choice Questions), MAQs (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.

Useful for hiring
  • ETL Data warehouse Application Developer
  • ETL Developer
  • ETL Analyst
Test Duration
No. of Questions
Level of Expertise
Entry Level/Mid/Senior
Topics Covered

Data Reduction

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

DataStage Functions

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

Database Lifecycle

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

Data Warehouse

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

Data Stage

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

Data Objects DataStage Engine

Our test evaluates the candidate’s knowledge of the DataStage tool to extract, transform, and load data from the source to the destination.
Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.
Question type
Multiple Option
Topics covered


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.
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Test Report
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