Видео ютуба по тегу How To Select From Varchar Where Where `Value` Is Not Part Of A Group

Mastering MySQL: How to Select from Varchar When Values are Excluded
Mastering MySQL: How to Select from Varchar When Values are Excluded
Practice Activity - Retrieving the last row for each group in a table in SQL Server
Practice Activity - Retrieving the last row for each group in a table in SQL Server
SQL Server - Why Not Just Use VARCHAR(MAX)?
SQL Server - Why Not Just Use VARCHAR(MAX)?