SQL Tutorial - PIVOT

SQL PIVOTS Made Easy (Rows to Columns)

Pivoting Data with SQL

Alter column size and Data Type in SQL Server

How to Expand Column Values in SQL Based on Group IDs

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

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

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

Unpivoting Data with SQL