目的：建立药物仪器分析数据库查询系统。
OBJECTIVE: To establish medicine instrumental analysis database inquiry system.
一个例子是结构化查询语言，它是大多数关系数据库查询系统的基干形式。
An example is the language SQL (Structured query language), which forms the backbone of most relational database query system.
采用JSP实现了数据库查询系统、网上数据采集、数据比对等用户交互模块。
Some user mutual modules adopt the JSP technology to realize , such as the database query system , data collection, and data contrast system etc.
利用以上模型设计了一种视频数据库查询系统，用户可以根据不同的层次特征，对视频数据库进行有效地浏览和检索。
According to the model proposed, a video query system is designed, users can efficiently browse and search video database by different characteristics from different layers.
该文针对当前研究的热点问题——界面层自然语言理解的应用，设计了一个基于面向对象设计方法的受限自然语言数据库查询系统。
This paper aims at a hot researched question-the application of natural language comprehension in interface, designs a limited nature language database query system based on object-oriented design.
在数据库查询系统中应用自然语言理解技术，设计数据库自然语言查询接口，已成为自然语言研究中最具有广泛应用前景的方向之一。
Using NLU technology in the database query system and designing NLQID (natural language query interface of database) has become one of the most hopeful applied fields in the research on NLU.
学习如何利用数据库管理系统中的xml索引和查询过滤功能来确保强健的运行时性能。
Learn how to leverage XML indexing and query filtering capabilities in a database management system to ensure strong runtime performance.
如果输入以后会被用作操作系统命令、脚本和数据库查询的参数，那么对输入进行清理是非常重要的。
If the input will later be used as parameters to operating system commands, scripts, and database queries, then it is essential that you do so.
更新数据库服务器用于优化查询的系统编目表。
Update system catalog tables that the database server USES to optimize queries.
如果要监视的数据库系统是用于决策支持(DSS)的，查询比较长而且比较复杂，那么不要让质量控制(QC)代理运行大型的查询。
If the database system you are monitoring is for decision support (DSS), and the queries are long and complicated, don't have the quality control (QC) agent run a large query.
并且它们只有在数据库管理员在系统具有性能问题时在系统上运行查询剖析器时才会出现。
And they only appear when the database administrator runs a query profiler on your system when it has performance problems.
DB 2系统与数据库对象管理；提供了采用集成CommandEditor的交互式查询界面。
DB2 system and database object management; provides an interactive query interface using the integrated Command Editor.
与Oracle和SQLServer等其他关系数据库管理系统一样，Informix也有内部优化器，负责选择最佳的查询执行计划。
Like other relational database management systems such as Oracle and SQL Server, Informix has its internal optimizer, which is responsible for selecting the best query execution plan.
要查看是否对数据库执行了RUNSTATS，一种快捷方法便是查询一些系统目录表。
One quick way to see whether RUNSTATS has been performed on your database is to query some system catalog tables. For example, as shown in the script above, you can run this command.
系统应支持1000个并发用户同时查询数据库，而不会发生拥塞或数据丢失。
The system shall support 1,000 simultaneous users, all doing queries against the database at the same time, without crashing or losing data.
该portlet(控制台开发人员是这样叫的)提供了一个简单的方法，以针对系统数据库执行SQL查询和创建新的数据库。
This portlet (as they are called by the console developers) provides a simple way to perform SQL queries against the system database and create new databases.
在某些情况下，在原生XML数据库系统中使用XQuery（一种用于查询 XML数据集合的函数型语言）可能非常有用。
Using XQuery (a functional language designed to query collections of XML data) with native XML database systems can be extremely useful in some situations.
从数据源(数据库或文件系统)加载数据十分低效，若是每次想要访问该信息时都运行相同的查询，就尤显低效。
Loading the data from your data source (database or filesystem) is inefficient, especially if you ultimately run the same queries every time you want to access the information.
SQL结构化查询语言基础上建立的数据库系统使得用户能够对数据库进行简单的操作和管理。通过数据库技术可以让用户更好地对企业进行管理。
The database system based on the standard query language — SQL, makes user can easily manage and operate on the database.Users can manage the corporation better because of the database technology.
这两个数据库系统都支持主键，以及支持加速查询和约束输入的键索引。
The two database systems support primary keys, along with key indices that allow you to speed up queries and constrain input.
为了处理该查询，DB 2查询编译器查阅DB 2联邦数据库系统编目中的信息以及数据源包装器模块中的信息。
To process the query, the DB2 query compiler consults information in the DB2 federated database system catalog and the data source wrapper modules.
当您在大型审核日志表格中运行查询功能时，您可能会在您的数据库系统不得不向缓冲池读入数千页面以进行计算时而结束。
When you run queries for very large audit log tables, you can end up with a situation where your database system has to read thousands of pages into the bufferpool to compute the result.
这两个查询都表达了相同的语义，但是在我们的系统和数据库配置中，第二个查询运行起来要快9%。
Both queries express the same semantics but the second one runs about 9% faster on our system and database configuration.
人们买药时撕掉贴在包装上的一个标签，就会得到一串码，然后通过短信形式把它发送到一个计算机系统，通过这个系统可以在数据库中查询到相关信息。
People buying medicine scratch off a panel attached to the packaging. This reveals a code, which they can text to a computer system that looks it up in a database.
联邦技术将您带到更高级别的信息集成，它允许DB 2联邦系统充当一个虚拟的数据库，使得对远程对象的查询和对本地表的查询一样简单。
Federation takes you to the next level of information integration, allowing the DB2 federated system to act as a virtual database where remote objects can be queried like local tables.
联邦数据库系统的用户可以对存储在联邦系统中任意位置的数据进行分布式查询，不管自己的位置在哪里，也不管数据源使用的是哪种SQL方言。
Users of a federated database system can pose distributed queries over data stored anywhere in the federated system, regardless of its location or the SQL dialect of the data source.
查询精心设计和实现的原生xml数据库要比查询存储在文件系统中的文档快得多，原因有几个。
Queries over a well-designed, well-implemented native XML database are simply faster than queries over documents stored in a file system, and for several reasons.
在分布式数据库系统中，由于数据的分布和冗余，查询处理变得更为复杂。
For the distributed database systems, query processing becomes more difficult because of distribution and redundance of data.
WebSphereInformation Integrator不支持在分区数据库环境中引用昵称的系统管理的物化查询表。
WebSphere Information Integrator does not support system-maintained materialized query tables that reference nicknames in a partitioned database environment.
通过优化数据源提高OLAP系统的性能，文章详细介绍了优化数据库、聚合及采用记录客户查询的方法。
The paper introduces optimizing data sources to improve the performance of a OLAP system and the methods of optimizing database, aggregation and memorizing client record query.
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