In this video, you will understand the basics of SQL Server Statistics. How are they created and how are they updated.
You can also visit DataPlatformGeeks (DPG) Video Library to watch more videos and to download video resources (presentation & demo code).
All DPG members (membership is free) have free access to many learning resources including in-person events, webinars, past event resources, videos, magazine & Hands-On-Labs.
If you wish to practice a SQL concept step-by-step, try SQLMaestros Hands-On-Labs. (Get access to hundreds of lab documents on SQL Server, Azure, Analytics, BI, Machine Learning, etc)
If you are looking for advanced SQL Server & MS Data Platform Training (in-person & online), explore SQLMaestros.