Row Versioning Concurrency in SQL Server — Simple Talk
The optimistic concurrency model assumes that several concurrent transactions can usually complete without interfering with each other, and therefore do not require draconian locking on the resources they access. SQL Server 2005, and later, implements a form of this model called row versioning concurrency. It works by remembering the value of the data at the… Читать далее: Row Versioning Concurrency in SQL Server — Simple Talk »
