What to use instead of the “lock” statement when the code is running on multiple machines?

Question

The lock statement ensures that one thread does not enter a critical section of code while another thread is in the critical section. However, it won\'t work if the workload is

Answer 1

If you have access to a centralized SQL Server instance, you can use it to act as a distributed lock coordinator and manage the application locks using the sp_getapplock and sp_releaseapplock stored procedures.

Application Locks (or Mutexes) in SQL Server 2005