In this paper, the authors describe their experience implementing PostgreSQL’s new serializable isolation level. It is based on the recently-developed Serializable Snapshot Isolation (SSI) technique.

Standard SQL defines four isolation levels that can be set using the SET TRANSACTION ISOLATION LEVEL statement: Serializable, Repeatable Read, Read Committed, and Read Uncommitted. Although all of the ...

Editor's Note: This article is excerpted from Chapter 31, "Serviced Components," of Francesco Balena and Giuseppe Dimauro's book, Practical Guidelines and Best Practices for Microsoft Visual Basic and ...