Create a Database - SQL Server | Microsoft Docs

SQL - Part 15 - Aliases for Table Column Names AS Keyword

Explained SQL Commands INSERT, UPDATE, DELETE, WHERE, AND, OR, NOT Using with PHP in XAMPP

SQL - Part 31 - current_date(), curdate(), current_time(), curtime(), now() & sysdate()

SQL - Part 40 - Null Value, Is Null Operator and Is Not Null Operator