This option indicates whether the federated server should consider pushing down any SQL operation for a relational source.
该选项表明联邦服务器是否应该考虑下推对一个关系数据源的任何SQL操作。
Conceptually, rows of relational data (tuples) flow through the operation nodes in the query plan from bottom to top.
从概念上来说，关系数据行(元组)按照自下向上的方式流过查询计划中的操作节点。
Similarly, an update operation can update the relational value too.
类似地，UPDATE操作也能更新关系值。
The Relational Database Service - A web service that attempts to simplify set up, operation, and scaling of relational databases in the cloud
关系数据库服务——该WebService旨在简化云环境下关系数据库的搭建、操作和伸缩
An operation can be a relational operator, a system - or user-defined function, or an SQL operator, such as GROUP BY, ORDER BY, and so on.
操作可以是一个关系运算符，或者系统或用户定义的函数，也可以是一个sql操作符，例如GROUPBY、ORDER BY等。
As join operation to relational database, structural join order selection is at the heart of query optimization in an XML database.
和关系数据库中的连接运算一样，结构连接顺序的选择是XML数据库查询优化的核心。
The system always adopt three kinds of technology that base on relational algebra operation, request decomposit localization, access route optimization to make optimization.
通常系统采用基于关系代数操作，请求分解定位和存取路径的优化三种技术对请求进行优化。
In relational databases, an operation in relational algebra.
在关系数据库中，关系代数中一种操作。
This paper describes how to model select operation for relational database using UML dynamic modeling.
本文阐述如何使用统一建模语言动态建模方法为关系数据库的查询操作建模。
Another operation used in conjunction with relational database is the JOIN operation. It is used to combine different relations into one relation.
另一个联同关系数据库的操作时联接操作，联接操作被用来合并不同的关系为一个关系。
Base on the theory of grey system, a new decision method, a grey relational decision model, is proposed and used to then multipurpose reservoir flood control operation.
以灰色系统的灰关联决策为理论基础，针对洪水调度的特点，提出了一个切实可行的多目标水库洪水调度的灰关联决策模型。
At last, the study has established an interface specification between relational schema and XML schema initially, unified the mode of operation among heterogeneous data sources.
初步建立起一种关系模式到XML模式的接口规范，实现异质数据源模式的统一操作。
At last, the study has established an interface specification between relational schema and XML schema initially, unified the mode of operation among heterogeneous data sources.
初步建立起一种关系模式到XML模式的接口规范，实现异质数据源模式的统一操作。
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