Data Engineering Lead Interview Questions and Answers

Import vs direct query

• Importing data involves transferring data from a source to a destination, while direct query involves querying data directly from the source.

• Importing data can be useful for offline analysis or data transformation, while direct query is more suitable for real-time analysis.

• Importing data may require additional storage space, while direct query does not necessarily require storage.

• Importing data can be time-consuming for large datasets, while direct query...read more

Power BI and Tableau are both powerful data visualization tools, but they have some key differences.

• Power BI is more user-friendly and integrates well with Microsoft products.

• Tableau is known for its advanced analytics capabilities and flexibility in data visualization.

• Power BI is often preferred by organizations already using Microsoft products, while Tableau is popular among data analysts and data scientists.

• Tableau has a steeper learning curve compared to Power BI.

• Power BI...read more