The Data Definition Language ( DDL ) part of SQL permits database tables to be created or deleted.

Note that supplying connection information does not initiate data definition language ( DDL ) generation.

请注意,提供连接信息不启动数据定义语言 ( DDL ) 生成.

The program illustration about Web three-tier structure programming base on DDL middleware in the mean.

同时也给出了基于DDL中间 件实现Web三层结构程序设计的应用程序的开发实例.

You can also create database-level triggers that fire in response to Data Definition Language ( DDL ) statements.

也可以创建数据库级别的触发器,将引发这些触发器以响应数据定义语言 ( DDL ) 语句.

Overlapping , nonoverlapping and overrelaxation DDM are discussed.

讨论了重叠DDM 、 非重叠DDM和超松弛DDM的 迭代过程及其在EB一 FEM中的应用.

DDM has been absorbed completely.

14周后,DDM已基本吸收形成骨.

The direct dependency graph ( DDG ) , direct dependency matrix ( DDM ) , dependency relation matrix ( DRM ) , degree of direct dependency ( DDD ) and minimal cover ( MC ) were defined.

然后定义了直接依赖图 、 直接依赖 矩阵 、直接依赖度 、 依赖关系 矩阵 和最小覆盖等概念.

The selection of relaxation factor plays a key role in D? N domain decomposition methods ( DDM ).

在D? N区域分解算法中,松弛因子的选取起着关键作用.

In RTI , DDM is specially designed to filter data.

而RTI中的数据分发管理DDM就是专门为实现数据过滤而设计的.

Objective To study the clinical effects of demineralized dentin matrix ( DDM ) as a apexificating agent.

目的观察同种脱矿牙本质基质 ( DDM ) 用于根尖诱导成形术的临床效果.

The author also describes the framework and communications system of SCADA, such as server, RTU, DDN and GPRS etc.

着重描述SCADA系统的软硬件结构及通信系统, 包括实时数据采集服务器、历史数据服务器 、 远程控制单元RTU 、 DDN网及GPRS传输等.

These include , for example , electric drills rotary hammer, angle grinders, marble cutters, circular saws and trimmers.

电钻 、 电锤 、 角磨 、 切割机 、 电圆锯、修边机等.

Digital Data Network ( DDN ) is a data transmisston network using digital channels.

数字数据网 ( DDN ) 是采用数字信道来传输数据信号的数据传输网.

Main business: Carbide Circular Saw films, film-for-tooth carbide circular saws, grinding, renovation, maintenance.

主要业务: 硬质合金圆锯片 、 木工锯片、硬质合金圆锯片换齿 、 研磨 、 翻新 、 维修.

This paper introduces the mathod to realizing DDN service on C & C 08 cxchange.

介绍了数据业务在C & C08交换机上实现的方法.

Digital Data Network ( DDN ) is a data network designed to transmit data on digita ! channels .

数字数据网 ( DDN ) 是利用数字信道来传输数据信号的数字 传输网.

The software reaches the effect of IP phone on timbre and lime-delay.

通过在LAN和 ddn 上运行测试,数字语音通讯软件在音质和延时上达到了IP电话的效果.

With the full development of data communication, DDN service of Jiaozuo develops comparatively fast.

随着数据通信的飞速发展, 焦作的DDN业务发展较快.

Digita 1 Data Network ( DDN ) is a digita 1 transmittingnetwork that transmi ts data by digital channe 1 s.

数字数据网DDN ( DigitalDataNetwork ) 是利用数字信道传输数据信号的数据传输网络.

Distributedservice ( DDOS ) attacks have emerged as a prevalent way to compromise the availability of networks or servers.

DDOS攻击已经形成一种流行的破坏网络和服务器可用性的方法.

Most of the available DDOS literature review existing defenses.

大多数有用的DDOS文献 都评论已经存在的防御系统.