#SQL #DatabaseBasics #DataAggregation

Why GROUP BY Matters: From Thousands of Rows to Four

Name: Why GROUP BY Matters: From Thousands of Rows to Four
Uploaded: 2026-09-11T15:37:58+00:00
Duration: 3 min 43 s
Description: Learn how to transform raw data into meaningful insights using aggregation functions like SUM, AVG, MIN, and MAX combined with GROUP BY. Stephen Yoss walks through a real example showing how to reduce hundreds of rows down to four aggregated results—essential skills for financial analysis. Watch to see how it's done live, including the debugging that happens along the way.

3:43 · A clip from Automation For Increasing Personal Efficiency and Effectiveness, taught by Stephen Yoss

Learn how to transform raw data into meaningful insights using aggregation functions like SUM, AVG, MIN, and MAX combined with GROUP BY. Stephen Yoss walks through a real example showing how to reduce hundreds of rows down to four aggregated results—essential skills for financial analysis. Watch to see how it's done live, including the debugging that happens along the way. From the course “Automation For Increasing Personal Efficiency and Effectiveness” (3 CPE credits, Specialized Knowledge, Basic): https://www.cpetoday.com/course/automation-for-increasing-personal-efficiency-and-effectiveness-24c00972 Taught by Stephen Yoss — Speaker & Author, CPE Today. More from Stephen Yoss: https://www.cpetoday.com/instructor/stephen-yoss CPE Today offers live webinars, Live Replays and self-study for CPAs and accounting professionals. NASBA-sponsored (ID 167619) and an IRS-approved CE provider. https://www.cpetoday.com/ #SQL #DatabaseBasics #DataAggregation