We discovered that there is a point where aggregate index costs—more-expensive INSERT and DELETE operations, for example—outweigh a new index's query speed-up benefit.
我发现有一个聚合索引成本的点 —例如,更为昂贵的INSERT和DELETE操作 —超出一个新索引的查询加速所能带来的效益。
I made no doubt that I could readily displace the bricks at this point, insert the corpse, and wall the wall up as before, so that no eye could detect anything suspicious.
我确信我可以很容易地把这部分的砖挖开,把尸体塞进去,再像以前一样把墙砌好,这样就没有人会发现可疑之处了。
The transaction containing the insert is (eventually) committed, at which point the log buffer record(s) are written to the log disk if they haven't already been.
最后提交包含该insert的事务,如果这时日志缓冲区中的记录还没有被写入日志文件的话,则将这些记录写到日志文件中。
You can see the two new insert statements that now point to GOSALESRT schema instead of GOSALESCT.
可以看到两个新insert语句现在指向 GOSALESRT架构而不是 GOSALESCT。
A grid can also be very useful as a point of reference when viewing graphs. Using the grid option, the following will inform gnuplot to insert a grid on the graph.
在查看图形时,使用网格作为参照点也非常有用。
Objective: to go to more exact point and direction during the screw fixation make sure to insert screw successfully by measuring the dimension of the lower cervical spine pedicle.
实验目的:本文目的基于进行下颈椎椎弓根的相关经线及角度测量,定位更准确的椎弓根进钉点、置钉方向,为成功应用经颈椎椎弓根螺钉技术提供必要信息。
Hydraulic control adopt insert type compact valve system, with reliable operation, long service life, minimized hydraulic shock, minimized duct connection and possible leak point.
液压控制采用插装阀集成系统,动作可靠,使用寿命长,液压冲击小,减少了连结管路与泄漏点。
The insert bears no vehicle load until the tire is punctured, at which point the load is transferred to the insert and vehicle movement may continue for a limited distance and speed.
这些单元在平时的时候不承载车辆的重量,只有当轮胎被打破了才会担负起承载的重任,这时候车辆的重量会转移到这些单元上,它们能支撑车辆继续以一定的速度移动一段距离。
Press beside the acupuncture point with the nail of the thumb or the index finger of the left hand and keep the needle tip closely to the nail, and then insert the needle point the point.
③舒张进针法:左手拇、食二指将腧穴的皮肤向两侧撑开,使皮肤绷紧,易于进针。
Press beside the acupuncture point with the nail of the thumb or the index finger of the left hand and keep the needle tip closely to the nail, and then insert the needle point the point.
③舒张进针法:左手拇、食二指将腧穴的皮肤向两侧撑开,使皮肤绷紧,易于进针。
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