Real interview questions asked at EY. Practice the most frequently asked questions and land your next role.
EY data engineering interviews test your ability across multiple domains. These questions are sourced from real EY interview experiences and sorted by frequency. Practice the ones that matter most.
What are Airflow Operators? Give examples.
How do you remove duplicate rows in BigQuery?
Explain the difference between Azure Data Factory (ADF) and Databricks.
What are the key components of AWS Glue, and how do they work together?
What is Azure Data Factory (ADF), and what are its main components?
What is Snowflake's architecture, and why is it unique?
What is the difference between S3 and HDFS?
What is the role of AWS Lambda in a data engineering pipeline?
What is the role of the Integration Runtime (IR) in ADF?
Difference Between Internal and External Tables in BigQuery
What is the difference between OLTP and OLAP?
Describe AWS Glue components and their functions.
Reverse a string with special characters preserved.
Write Python code to remove duplicates from a string.
Explain BigQuery Architecture.
Explain Data Modeling SCD Types (Type 1, 2, 3).
How many records result from Inner Join, Left Join, Right Join given Table A and Table B?
Self-introduction including current role, projects, and key responsibilities. Focus on SQL expertise, Python skills, and experience in data warehousing and modeling.
What are BigQuery Slots?
What are the benefits of BigQuery Warehouse?
What is BigQuery Cache?
What is UNNEST and provide a query example?
What is the difference between SELECT, COUNT(*), and COUNT(1)?
Write a Merge Statement for SCD Type 2.
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