Postgresql 中文操作指南
Chapter 13. Concurrency Control
Table of Contents
本章介绍当两个或多个会话尝试同时访问相同的数据时 PostgreSQL 数据库系统的行为。在这种情况下，目标是允许所有会话高效地访问数据，同时维护严格的数据完整性。每个数据库应用程序的开发人员都应熟悉本章中涵盖的主题。
This chapter describes the behavior of the PostgreSQL database system when two or more sessions try to access the same data at the same time. The goals in that situation are to allow efficient access for all sessions while maintaining strict data integrity. Every developer of database applications should be familiar with the topics covered in this chapter.