Скачать с ютуб SQL Mock Interview (Data Analyst): Departments with the Highest Revenues в хорошем качестве

SQL Mock Interview (Data Analyst): Departments with the Highest Revenues

Don't leave your SQL interviews to chance. Sign up for Exponent's SQL interview course today: http://bit.ly/3TYla1W 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 Want more SQL content? Analyze a User's Posts:    • Analyze a User's Posts - Data Analyst...   Find employees who earn more than their managers:    • SQL Mock Interview: Find employees wh...   Analyze Marketing Channels:    • Data Science SQL Mock Interview - Ana...   SQL vs. NoSQL Explained (in 4 Minutes):    • SQL vs. NoSQL Explained (in 4 Minutes)   👉 Subscribe to our channel: http://bit.ly/exponentyt 🕊️ Follow us on Twitter: http://bit.ly/exptweet 💙 Like us on Facebook for special discounts: http://bit.ly/exponentfb 📷 Check us out on Instagram: http://bit.ly/exponentig 📹 Watch us on TikTok: https://bit.ly/exponenttiktok ABOUT US: Did you enjoy this interview question and answer? Want to land your dream career? Exponent is an online community, course, and coaching platform to help you ace your upcoming interview. Exponent has helped people land their dream careers at companies like Google, Microsoft, Amazon, and high-growth startups. Exponent is currently licensed by Stanford, Yale, UW, and others. Our courses include interview lessons, questions, and complete answers with video walkthroughs. Access hours of real interview videos, where we analyze what went right or wrong, and our 1000+ community of expert coaches and industry professionals, to help you get your dream job and more! #sql #sqlinterview #datascience #businessanalyst