# Advanced SQL Patterns Day 2 Lecture

> Advanced SQL techniques are essential for data engineers looking to enhance their querying skills and excel in technical interviews. This lecture covers critical topics such as the differences between SQL interview scenarios and real-world applications, including the use of window functions, recurs…

- Web page: https://www.dataexpert.io/lesson/advanced-sql-patterns-day-2-lecture-jan2025
- Program: [2025 New Year  Data Engineering Boot Camp starting January 6th](https://www.dataexpert.io/program/2025-new-year-data-engineering-boot-camp-starting-january-6th)
- Access: Requires enrollment in 2025 New Year  Data Engineering Boot Camp starting January 6th
- Length: 27 min video
- Skills: SQL, Data Modeling
- Academy: DataExpert.io Academy

## About this lesson

Advanced SQL techniques are essential for data engineers looking to enhance their querying skills and excel in technical interviews. This lecture covers critical topics such as the differences between SQL interview scenarios and real-world applications, including the use of window functions, recursive CTEs, and advanced grouping techniques like grouping sets, roll-up, and cube. Participants will learn how to optimize their SQL for efficiency and clarity, ensuring they can tackle complex data modeling challenges effectively.

## Navigation

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