Overview of the SQLCMD utility in SQL Server

SQL Commands Cheat Sheet - Learn SQL Commands in One Go

Backup SQL Server database to and restoring from multiple files

Execute SQL Server Script Files with the sqlcmd Utility

Restoring the SQL Server Master Database Even Without a Backup

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

Working with PowerShell’s Invoke-SqlCmd

SQL Server Common Table Expressions (CTE) usage and examples