Видео ютуба по тегу Comparing Null And Blank Values In Sql

How to Treat NULLs as '' (Empty Data) in SQL Comparisons
How to Treat NULLs as '' (Empty Data) in SQL Comparisons
Understanding MySQL Triggers: Handling NULL and Blank Values in Before Update Triggers
Understanding MySQL Triggers: Handling NULL and Blank Values in Before Update Triggers
SQL : Comparing empty string with null value - SQL Server
SQL : Comparing empty string with null value - SQL Server
Using SQL NULLIF with Missing Values | Essential SQL
Using SQL NULLIF with Missing Values | Essential SQL