Getting started with the SQL UPDATE syntax

SQL UPDATE Statement (Transact SQL) - Essential SQL

SQL UPDATE Statement

How to UPDATE from a SELECT statement in SQL Server

Optimize Large SQL Server Inserts, Updates, Deletes with SQL Batching Processing

How to Batch Updates A Few Thousand Rows at a Time - Brent Ozar Unlimited®

How to UPDATE a table by joining multiple tables in SQL?

SQL UPDATE query to update columns in multiple tables using INNER & LEFT JOIN with GROUP BY query

An overview of the SQL Server Update Join