Overview of the SQLCMD utility in SQL Server

Using SQL Server sqlcmd scripting variables

SQL Commands Cheat Sheet - Learn SQL Commands in One Go

Execute SQL Server Script Files with the sqlcmd Utility

SQL Variable Examples in Stored Procedures, Functions, Scripts, SQLCMD

Introduction to SQL Server's sqlcmd utility

SQL Server Common Table Expressions (CTE) usage and examples

Working with PowerShell’s Invoke-SqlCmd