Frequently Asked Questions

What is data engineering?

Data engineering involves designing and building systems for collecting, storing, and analyzing data effectively.

How to optimize SQL queries?

Optimizing SQL queries can improve performance by using indexing, avoiding unnecessary columns, and analyzing execution plans.

What is ETL?

ETL stands for Extract, Transform, Load. It is a process used to integrate data from various sources into a data warehouse.

What tools are used for dashboards?

Common tools include Power BI and Tableau.

What is data warehousing?

Data warehousing is the process of collecting and managing data from various sources to provide meaningful business insights.

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