Working with PowerShell’s Invoke-SqlCmd

SQL Commands Cheat Sheet - Learn SQL Commands in One Go

Overview of the SQLCMD utility in SQL Server

Introduction to SQL Server's sqlcmd utility

Using SQL Server sqlcmd scripting variables

Execute SQL Server Script Files with the sqlcmd Utility

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

SQL Server Common Table Expressions (CTE) usage and examples