Inside SQL Tables Understanding Arity & Cardinality #sql #sqltutorial #sqlcommands
1:20
YouTubeGate Smashers
Inside SQL Tables Understanding Arity & Cardinality #sql #sqltutorial #sqlcommands
In this quick SQL tutorial, learn how structured data fits into a relational model—the table. We explain how columns (attributes) and rows (tuples) make up a table, and why tables are called relations in RDBMS. Using a simple student table example, we clarify key terms such as arity (number of columns) and cardinality (number of rows ...
已浏览 2.1万 次1 周前
SQL Basics: Getting Started with Databases
SQL Tutorial - Full Database Course for Beginners
4:20:39
SQL Tutorial - Full Database Course for Beginners
YouTubefreeCodeCamp.org
已浏览 2025万 次2018年7月2日
Learn Basic SQL in 15 Minutes | Business Intelligence For Beginners | SQL Tutorial For Beginners 1/3
17:40
Learn Basic SQL in 15 Minutes | Business Intelligence For Beginners | SQL Tutorial For Beginners 1/3
YouTubeAdam Finer - Learn BI Online
已浏览 294.7万 次2020年11月11日
Learn How to Create a Database | First Steps in SQL Tutorial
7:00
Learn How to Create a Database | First Steps in SQL Tutorial
YouTube365 Data Science
已浏览 31.9万 次2019年2月5日
相关产品
Learning SQL
Easy SQL
Learn SQL Free
#SQL Basics
SQL Tutorial for Beginners
SQL Tutorial for Beginners
YouTube2022年3月22日
All SQL Fundamentals Explained in 10 Minutes | Learn SQL Basics for Beginners | SQL Crash Course
All SQL Fundamentals Explained in 10 Minutes | Learn SQL Basics for Beginners | SQL Crash Course
YouTube2023年7月29日
热门视频
SQL Full Course 2026 | Complete SQL Course For Beginners FREE | Intellipaat
SQL Full Course 2026 | Complete SQL Course For Beginners FREE | Intellipaat
YouTubeIntellipaat
已浏览 1.5万 次2 周前
SQL For Business Analytics 2026 | Learn SQL From Scratch | MySQL & Database Essentials | Simplilearn
5:53:04
SQL For Business Analytics 2026 | Learn SQL From Scratch | MySQL & Database Essentials | Simplilearn
YouTubeSimplilearn
已浏览 1738 次4 天之前
How to Install SQL Server 2025 on Windows 10/11 [ 2026 ] with SQL Server Management Studio 22 (SSMS)
5:17
How to Install SQL Server 2025 on Windows 10/11 [ 2026 ] with SQL Server Management Studio 22 (SSMS)
YouTubeGeeky Script
已浏览 6277 次2 周前
Advanced SQL Techniques: Mastering Complex Queries
Advanced SQL Tutorial | CTE (Common Table Expression)
3:44
Advanced SQL Tutorial | CTE (Common Table Expression)
YouTubeAlex The Analyst
已浏览 43.4万 次2020年12月8日
Advanced SQL Tutorial | Subqueries
8:37
Advanced SQL Tutorial | Subqueries
YouTubeAlex The Analyst
已浏览 45万 次2021年4月20日
6 Query Tuning Techniques - Solve 75% SQL Server Performance Problems (by Amit Bansal)
1:37:51
6 Query Tuning Techniques - Solve 75% SQL Server Performance Problems (by Amit Bansal)
YouTubeSQLMaestros
已浏览 15.3万 次2020年11月4日