Видео с ютуба Joey Blue Sql

Learn SQL in 1 Hour - SQL Basics for Beginners

Database Normalization in SQL - 1NF, 2NF, 3NF, 4NF - SQL Training Online

SQL Server Management Studio (SSMS) | Full Course

SQL Joins Tutorial for Beginners - Inner Join, Left Join, Right Join, Full Outer Join

SQL Group By - SQL Training Online - Quick Tips Ep12

Learn SQL Server Integration Services (SSIS) in 2 Hours - Complete Beginner's Guide to ETL