Alternatively, you can have a table striped across multiple drives to allow faster scanning than with the same table stored on a drive.
另外,您还可以选择将一个表拆开,放到多个驱动器上,这样比将同一个表存储在一个驱动器上扫描起来快。
Having a table on one physical drive and other tables on separate drives can improve throughputs and operational efficiency.
把一个表放在一个物理驱动器上而把其他的表放在单独的驱动器上可以提高吞吐量和操作效率。
Therefore, when deciding which join method to choose, the optimizer balances the sort cost and the performance benefit for the inner table scan to drive the decision.
因此,在决定选择哪种联接方法时,优化器为内部表扫描平衡排序成本和性能优势以便促进决策。
DB2 USES buffer pools to cache the table and index data as they are being read or written to the hard disk drive.
当从硬盘驱动器读写表和索引数据时,DB 2使用缓冲池来缓存它们。
However there is no guarantee that the user will actually fetch all the rows of the table and hence drive these changes through.
然而,我们无法保证用户将真正取表中的所有行,从而使这些更改通过。
Drive 15 minutes out of the city centre, and you come to Camps Bay (“a beautiful beach with gorgeous restaurants, nestled below Table Mountain”).
从市中心开车15分钟,你就到了坎普斯湾,有着美丽的坎普斯湾海滩,背依桌山,海岸边沿街布满各种高档的餐馆,时尚而浪漫。
Output Table Name is the name (and drive path) of the output table that will be created containing the spatial statistics.
输出表的名称是输出表的名称(和驱动器的路径),将创建一个包含空间统计。
Put this drive in any old x86 Linux box, and you'll find that it has an unknown partition table.
将这个硬盘放到一个老的x86Linux机器中,您会看到一个不能识别的分区表。
This dissertation gave a solution to improving positioning accuracy of rotary table by using a piezoelectric ceramic drive.
同样的,本文设计了一套方案,利用了压电陶瓷驱动器来提高回转定位精度。
The dissertation mainly discusses the servo stiffness of direct drive NC rotary table servo system.
本文主要研究了直接驱动永磁同步电机转台系统的伺服刚度问题。
To improve rotary table accuracy by using a piezoelectric ceramic drive is a qualitative leap, it give us a new method and new direction. to improve rotary table accuracy.
利用压电陶瓷驱动器来提高定位精度,在回转工作台的定位精度上是一个大的提高,同时,它也给我们带来了新的思考和新的方向。
The V belt wheels of noise experimental table of main carriage reduction gear must suit drive ratio, be lightest in weight and least in moment of inertia .
为降低轿车主减速器噪声测试试验台本底噪声,其传动系统采用了四对三角胶带传动。
To determine the correct drive letter, assume the system boots to DOS without a CD-ROM driver, and that all drives have the file Allocation Table (FAT) file system.
要确定正确的驱动器号,应假定系统在没有CD - ROM驱动器的情况下启动DOS,并且所有驱动器都有文件分配表(FAT)文件系统。
In the evening, every household hangs red lanterns at the entrance to drive away bad luck and all the family members get together around the table for a New Year's eve dinner.
晚上,家家户户在门口挂上红灯笼,驱除霉运,所有家庭成员则围坐一桌吃年夜饭。
When the operating system moves a file from one directory to another on the same drive, it merely relocates the file's entry in the disk's table of contents.
当文件从一个目录被移动到同一个硬盘下的另一个目录下时,操作系统仅仅是修改一下该硬盘的目录表,并不做实际的文件删除和重写文件操作。
The driven member may be provided by a drive bit on a portable router secured to the table top.
可以通过固定在工作台台面上的便携式刳刨机上的驱动钻头设置从动元件。
Direct Drive NC Table; Unequal Teeth Tips Width; Dual-Rotor; Phase Shifting; Repetitive Control.
直接驱动数控转台;不等齿顶宽;双转子;移相技术;重复控制。
The concrete cutting machine is composed of six parts: the frame, the turning table, the cross cutting structure, the horizontal cutting drive, the hydraulic system and the electronic control system.
混凝土切割机是由机架、翻转台、横切组织、水平切开车、液压体系和电控体系六个有些构成。
A high precision feed table and control system were developed to drive the optical head in a disc mastering device.
为实现母盘刻录机中光学头的精密进给,研制了精密微进给工作台及其伺服控制系统。
This paper investigates the application of quantitative feedback theory (QFT) to high speed linear motor direct-drive X-Y table positioning system.
研究定量反馈理论(QFT)在高速直线电机直接驱动平面运动定位系统控制中的应用问题。
This essay points out the significance of mastering the techniques of backhand Loop drive with non - handshake grip in table tennis and illustrates is essentials.
掌握乒乓球直拍反手孤圈球技术的意义;指出了直拍反手弧圈球技术的动作要领;
The belt-drive table is an important measuring tool for driving efficiency and sliding ratio, furthermore it is the machinery specialized essential teaching e.
带传动实验台是研究带传动运动规律、测量滑动率和传动效率的重要工具,也是工科院校机械专业必备的实验教学设备。
This paper presents the construction and drive system designs and operating load torque calculation for a caterpillar trailer fixed on table with VVVF s drive system.
介绍了新型台式变频履带牵引机的结构设计、工作负载转矩计算及拖动系统设计。
Mom will certainly set the table with all kinds of delicacy, and Dad will always squeeze time out of his busy schedule and drive us out.
妈妈一定会为我准备满满一桌美味佳肴,而老爸则总是忙里偷闲开车带着我们出去玩。
The laboratory table is designed with rational transmission project, transmission mode and drive.
通过选择合理的传动方案、传动方式和动力源,自行设计了排种器性能试验台。
The movement of top—spin and loop drive of the table tennis also follows the princinples of mechanics.
乒乓球运动中的上旋球及弧圈球运动,也遵循力学的运动原理,研究这些原理,对提高理论水平有帮助。
A router table comprises a table top, a bit mount, and a drive train.
一种刳刨机工作台包括工作台台面、钻头安装件和传动机构。
Working principle of speed change box sliding table is the longitudinal motion on the bed. Because the lead screw drive, couple with the function of gear box.
变速箱式滑台工作原理是滑板在床身上做纵向运动,因其丝杠传动,再加上变速箱的作用。
Working principle of speed change box sliding table is the longitudinal motion on the bed. Because the lead screw drive, couple with the function of gear box.
变速箱式滑台工作原理是滑板在床身上做纵向运动,因其丝杠传动,再加上变速箱的作用。
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