Скачать или смотреть SQL for Data Analysis | Step-by-Step Tutorial

Master SQL for data analysis with this complete tutorial! 🚀 Learn how to inspect fact and dimension tables, classify sales, segment customers, and use advanced SQL functions for reporting and insights. Perfect for data analysts, business analysts, and anyone looking to sharpen their SQL skills.
Link to tutorial https://drive.google.com/file/d/1B6MH...
What You'll Learn:
• How to inspect fact and dimension tables
• Use CASE statements for sales bucket classification
• Segment customers into value tiers
• Apply SQL window functions for ranking, running totals, and analytics
• Identify top customers by revenue
• Perform running totals and cumulative calculations
• Reconcile data between tables for accuracy
• Analyze top 5% of customers contributing to revenue
Timeline:
00:00 – Introduction
01:28 – Inspecting Fact Table
04:59 – Inspecting Dimension Tables
06:59 – Using CASE Statement for Sales Bucket Classification
09:40 – Customer Value Tier
23:21 – Windows Functions
34:55 – Top Ten Customers
37:42 – Running Totals
41:50 – Time Intelligence Functions
50:43 – Data Reconciliation
57:37 – Top 5% Customers by Revenue
Resources & Downloads:
• Sample SQL Scripts: [Download Link]