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In this video, we dive into advanced SQL topics by analyzing and solving 5 real-world business problems in a SQL mock interview. We'll cover joins, grouping, aggregations, CTEs, sub-queries, and window functions. The problems include finding department revenue, tracking user orders, analyzing customer orders, selecting the second-highest order amount, and discovering the highest month-over-month increase in order amount.

Chapters (Powered by ChapterMe) -
00:00 - Introduction to SQL for Analyzing Orders and Revenue
02:23 - Basics of Data Retrieval and Simple Filtering in SQL
03:22 - Advanced SQL Techniques: Joining Tables and Filtering Data
06:02 - Detailed Analysis: Order Breakdown by Department for 2020
12:34 - Utilizing Inner Joins to Enhance Data Accuracy
14:45 - Applying Time Constraints to Queries for Precise Data Analysis
18:48 - SQL Query Testing for Accuracy and Efficiency
23:17 - Advanced Data Grouping and Aggregation Techniques
27:51 - Identifying Key Insights: Ranking and Sorting Data
33:25 - Analyzing Monthly Trends and Departmental Performance
45:09 - Final Thoughts on SQL Query Optimization and Interview Strategies
50:44 - Conclusion and Reflections on SQL for Data Analysis

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