【摘要】 为了确保多个用户能够并发访问试飞数据库中的同一数据,采用封锁技术实现数据的一致和完整性,并结合例程深入研究了Oracle封锁技术在试飞数据库系统中的应用,解决了实际问题。更多还原

【Abstract】 Erupt simultaneously and visit the same datum that take a flight test in the database for a lot of users,adopt unanimous and integrality of blockading the technology data.Combine example Cheng further investigate Oracle blockade technology in database application of the system of taking a flight test,have solved the practical problem.更多还原