In fact, when this feature is enabled, and the INSERT operation requires a new or reused block, DB2 will take an exclusive (x) lock on the block in order to add it to the target cell.
实际上,当该特性被启用,并且INSERT操作要求一个新的或重用的块时,DB 2将在块上采用一个独占的(X)锁,以便将它添加到目标单元。
Resource hijack — Sending messages that lock or reserve resources on the target server as part of a never-completed transaction.
资源劫持(hijack)——作为一项永远无法结束的事务的一部分,发送锁定或占用目标服务器资源的消息。
A lock can fail, for example, if files on the target volume are currently opened by other programs.
锁定会有失败的情况,例如,当目标卷上的文件正被其他的程序打开。
A full release is obtained even if the lock is re-entrantly held due to nested synchronized calls on the target object.
即使是在目标对象上多次嵌套的同步调用,所持有的可重入锁也会完整的释放。
The program is able to reset permissions on all files stored on the target drive, create an unprotected folder if this is necessary and lock the device with a single click.
该方案是能够重置存储在目标驱动器上的所有文件的权限,创建一个未受保护的文件夹中,如果这是必要的,只需一次点击锁定装置。
The program is able to reset permissions on all files stored on the target drive, create an unprotected folder if this is necessary and lock the device with a single click.
该方案是能够重置存储在目标驱动器上的所有文件的权限,创建一个未受保护的文件夹中,如果这是必要的,只需一次点击锁定装置。
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