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Cognizant
Proud winner of ABECA 2024 - AmbitionBox Employee Choice Awards
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I applied via Naukri.com and was interviewed in Oct 2021. There were 4 interview rounds.
ETL on cloud can be setup using AWS Glue or third-party tools like Talend, Matillion, etc.
Choose a cloud-based ETL tool based on your requirements
Create a data pipeline to extract data from source systems
Transform the data using the ETL tool's built-in functions or custom scripts
Load the transformed data into a target data store like S3, Redshift, etc.
Schedule the ETL jobs to run at regular intervals
Monitor the ETL job
ETL components include extraction, transformation, and loading of data.
Extraction involves retrieving data from various sources such as databases, APIs, and files.
Transformation involves cleaning, filtering, and manipulating the data to fit the target system.
Loading involves inserting the transformed data into the target system such as a data warehouse or database.
Examples of ETL tools include Apache NiFi, Talend, and
I applied via Company Website and was interviewed in May 2022. There were 2 interview rounds.
Python
I applied via Walk-in and was interviewed before Jul 2021. There was 1 interview round.
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