DB 2 is IBM developed a set of database management software.

1、

Familiar with database system; Familiar with the knowledge of network.

了解数据库系统; 熟悉网络知识.

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2、

The database system mainly includes risk information database and project risk database.

该数据库系统主要包括风险信息数据库和工程风险数据库两部分.

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3、

Database System Design, Implementation, and Administration, Query Optimization, and SQL Performance Tuning.

数据库系统设计, 实施, 管理, 查询优化和SQL性能调优.

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4、

The functions of database system designed are introduced as follows.

研制的纳米材料数据库系统具有以下功能.

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5、

Dependence on the traditional database system is difficult with competent.

单纯依靠传统的数据库系统是难以胜任的.

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6、

Parallel query optimization is the critical technique of parallel database system.

查询优化是并行数据库系统的核心技术.

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7、

Recover mechanism is a very important part of distributed database system.

其中恢复机制是分布式数据库非常重要的组成部分.

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8、

Heterogeneous database data ― dump is most important in heterogeneous database system.

异构型数据库的数据转储是异构性数据库系统中非常重要的问题.

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9、

Enterprise Edition MS SQL database system need to buy later use.

企业版采用MSSQL数据库系统,需要购买后使用.

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10、

The EMS memory database system is realized by DLL and FileMaping.

内存数据库利用动态链接库和内存映射文件加以实现.

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11、

Fault tolerance and semantics of component based software

基于组件软件的容错及语义

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12、

At first, he developed a modal logic semantics, and has achieved notable successes.

起初，他发展了模态逻辑语义学，并取得了引人注目的成就。

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13、

A Logic Semantics Analysis Algorithm for Railway Station Layouts

一种站场图逻辑语义解析算法

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14、

Questions on Logic Semantics of Chinese Medical Terms

中医理论术语的逻辑语义问题

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15、

A Distributed Query Optimization Based on Semantics and Logic

基于语义和逻辑的分布查询优化

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16、

This method combines phrase dictionary and local analysis, and expand the query both in semantics and syntax.

本文将术语词典和局部分析法结合起来，从语义和语法两个层面做查询扩展。

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17、

Particularly, the index construction methods, semantic coordination, query semantics, query processing strategies, types of queries supported, and query optimization of P2P database-style queries are discussed in detail.

然后针对上述3个方面，论述P2P数据管理研究的现状，着重讨论了P2P数据库查询的索引构造策略、语义异构的解决方法、查询语义、查询处理策略、查询类型和查询优化技术。

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18、

Since/ text() generally makes a difference for query semantics, it also makes a difference for index eligibility.

既然/text（）通常会使查询语义不同，它也会使索引合格性不同。

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19、

Thus, in the general case, the query semantics are different depending on the use of/ text().

因此，一般情况下，查询语义是不同的，这取决于/text（）的使用。

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20、

Otherwise, the query semantics do not allow index usage.

否则，查询语义不允许使用索引。

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