SQL Aggregate Functions Explained for Beginners: COUNT, SUM, AVG, MIN, MAX скачать в хорошем качестве

SQL Aggregate Functions Explained for Beginners: COUNT, SUM, AVG, MIN, MAX

Dive into the world of SQL aggregate functions! 🗂️ This beginner-friendly tutorial covers the essential functions you need to summarize and analyze your data effectively. Learn how to use COUNT, SUM, AVG (AVERAGE), MIN, and MAX with clear examples and explanations. We'll start with a basic overview of aggregate functions, explaining what they are and why they're so important for data analysis. Then, we'll walk through each function step-by-step, demonstrating its purpose, syntax, and practical applications with a sample 'orders' table. 📊 Discover how to count rows, calculate totals, find averages, identify minimum and maximum values, and group data for more insightful summaries. 📚 We'll also cover best practices for using aggregate functions, including handling NULL values and using column aliases. By the end of this video, you'll have a solid understanding of SQL aggregate functions and be able to use them to extract valuable insights from your databases. 🚀 #SQL #Database #AggregateFunctions #COUNT #SUM #AVG #MIN #MAX #SQLTutorial #DatabaseDesign #DataAnalysis #BeginnerSQL #SQLForBeginners #Coding #Programming #programming Chapters: 00:00 - SQL Aggregate Functions 00:17 - What Are SQL Aggregate Functions? 01:09 - Sample Data Table 01:31 - COUNT Function 02:13 - SUM Function 02:57 - AVG Function 03:48 - MIN and MAX Functions 04:46 - GROUP BY with Aggregate Functions 05:54 - SQL Aggregate Functions Summary 07:17 - Outro 🔗 Stay Connected: ▶️ YouTube:    / @thecodelucky   📱 Instagram:   / thecodelucky   📘 Facebook:   / codeluckyfb   🌐 Website: https://codelucky.com ⭐ Support us by Liking, Subscribing, and Sharing! 💬 Drop your questions in the comments below 🔔 Hit the notification bell to never miss an update #CodeLucky #WebDevelopment #Programming