对这些运算不要求用户定义任何物理存取路径 对关系系统的最低要求:不支持关系数据结构的系统显然不能称为关系系统 仅支持关系数据结构,但没有选择、投影和连接运算功能的系统仍不能算作关系系统。
关系体裁知识是一个关系系统(relational system),它创造、卷入了大量参与者,并且实现了各类关系及其参与者在该系统内的互动[25]。
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... 关系文件 relational file 关系系统 relation system 关系演算 calculus of relations ...
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...ensory qualities)的秩序,并声称:“如果能成功揭示出这些生理事件和那些生理事件之间存在着一个关系系统(system of relations),而这一关系系统又与相应心理事件和其他心理事件之间的关系系统是同一(identical)的,那么,就能在特定的生理事件与特定的心理事...
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产业关系系统 industrial relations system
客户关系管理系统 CRM ; Customer Relationship Management ; Customer Relationship Management System ; CRM System
客户关系系统 CRM ; Customer Relationship Management
关系系统及其查询优化 Query Optimizing
模糊关系系统 fuzzy relation system
并使用客户关系系统 CRIVI
经验关系系统 empirical relation system
数值关系系统 Numerical Relation System
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关系系统的报表与数据仓库的差别非常大。
Reporting against an operational system is very different than against a warehouse.
目前,大多数结构化数据都使用关系系统进行维护。
Most of the structured data is maintained today in relational systems.
消费者关系系统指公司内由客户事务和客户关系联络中心负责的和客户的交道。
Consumer Relationship System (CRS) covers aspects of a company's dealing with customers handled by the Consumer Affairs and Customer Relations contact centers within a company.[1]
It's true of Windows, it's true of the Sequel Databases from guys like Oracle, the Google guys were at it for a number of years before that thing really took off.
视窗“系统就是这样,甲骨文公司的关系数据库也是这样,谷歌公司的创立者花了很多年,才让一切走上正轨。
Heat capacity relates the amount of heat that you add to the system to the change in temperature, and this is the relationship.
热容联系起给系统提供的,热量和温度的变化,关系式是这样的:
But their alphabet has got nothing to do with Mycenae; this is a new thing altogether.
但是他们的字母系统与迈锡尼的没有关系,它完全是一个全新的东西
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