Locking in Microsoft SQL Server (Part 13 – Schema locks) | About Sql Server
SQL Server Lock Types :: Chapter 38. Locking and Performance :: Part V: SQL Server Internals and Performance Tuning :: Microsoft SQL Server 2000 :: SQL :: eTutorials.org
LOCK TABLE
Transaction locking and row versioning guide - SQL Server | Microsoft Learn
A beginner's guide to database locking and the lost update phenomena - Vlad Mihalcea