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,DB2将在块上采用一个独占的(X)锁,以便将它添加到目标单元。
For example, if you want a specific cell name, you can lock this value into the pattern; if you want to use the same pattern with different cell names, you can leave it for deploy-time specification. 例如,如果您希望有一个具体的单元名,您可以将该值锁定到模式中;如果您希望使用带不同单元名的同一模式,您可以将其留给部署时规范。
A lock rattled and there was a loud clank as the door of the next cell was flung open. 隔壁牢房的铁锁响了一声,接着,传来推开铁门的哗啦啦的巨响。(罗广斌《红岩》)
In order to lock the frequency of sum-frequency output to reference frequency, the direct absorption spectrum and saturated fluorescence spectrum produced by leading the sum-frequency output to the gas cell was studied in detail. 为了将和频光锁定到标准的参考频率上,详细研究了和频光通过气体吸收池之后不同温度下的直接吸收光谱和饱和荧光谱。