Overview of the SQLCMD utility in SQL Server

Introduction to SQL Server's sqlcmd utility

SQL Commands Cheat Sheet - Learn SQL Commands in One Go

Using SQL Server sqlcmd scripting variables

Execute SSIS Package with SQLCMD and Parameters

How to use SQLCMD commands in the SSMS query editor - SQL Shack

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

SQL Server Common Table Expressions (CTE) usage and examples

Working with PowerShell’s Invoke-SqlCmd