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。
In particular, this feature was driven by the SAP application, but the work is generally applicable to a lock avoidance schemes for a much greater customer base.
特别地，该特性是由SAP应用程序驱动的，但是通常也适用于更多客户的锁避免机制。
Mirror lock-up (MLU) is a feature available in some SLR cameras which aims to minimize camera shake induced by mirror-slap (which produces the characteristic snapping sound of SLR cameras).
有些单反相机具有反光镜锁定(MLU)功能，可以减小镜面翻转造成的相机抖动(这也是单反相机经典“喀嚓声”的来源)。
Mirror lock-up (MLU) is a feature available in some SLR cameras which aims to minimize camera shake induced by mirror-slap (which produces the characteristic snapping sound of SLR cameras).
有些单反相机具有反光镜锁定(MLU)功能，可以减小镜面翻转造成的相机抖动(这也是单反相机经典“喀嚓声”的来源)。
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