文件或记录的死锁问题及解除方法

Deadly Embrace and Ravel Method of File or Record

多用户同时访问同一数据库时,用户为了保护自己的文件或记录,就采取加锁措施来保护自己的文件或记录,于是有 可能发生死锁现象.给出,文件、记录加锁解锁的方法及解决死锁问题的途径.

The same datebase is used by lots of users Hence, the file or reord is locked by user in order to protect file or record. At the same time deadly embrace can take place. Methods of file locking and record locking or file unlocking and record locking or file unlocking and record unlocking were given. We discuss how to solve deadly embrace.