数据库应用系统的数据并发访问问题探讨

Study on the Problems of Concurrent Visit to Data in Database Application Sy stem

本文描述了数据库应用系统并发访问的两个问题，讨论了ＯＲＡＣＬＥ和ＦｏｘＰｒｏ数据库系统的封锁机制，并给出利用封锁机制解决这两个问题的方法。

This paper describes two probl ems of the concurrent visit to data in database application system. It also dis cusses the lock mechanism of ORACLE and FoxPro database system and provid es the methods to solve the two problems.