SQL Tutorial - PIVOT

SQL PIVOTS Made Easy (Rows to Columns)

Pivoting Data with SQL

How to Create a New Column with a 3% Increase in SQL

Mastering SQL: Adding Calculated Columns to Your Table

MS SQL tutorial on adding columns to existing tables. Alter table. Add Alter Drop column.

SQL Tutorial - UNPIVOT

Unpivot Columns to Rows in SQL Server (SQL Detailed Walkthrough)

SQL: Pivot and Unpivot Data in SQL Server Database Including Multiple Columns - A Step-By-Step Guide