In a real-world application, the server may be busy querying a database, computing a route, or performing some similar task that takes a while to complete. 在一个现实的应用软件中,这个服务器可能会忙于询问一个数据库,处理一个路由,或者执行一些类似需要消耗一些时间来完成的工作。
Snippets are little fragments of code that perform small tasks, such as running a regular expression on some input, connecting to the database, and querying the database. 片段是完成小任务(比如在一些输入中运行常规表达式、连接到数据库和查询数据库)的小部分代码。
All actions, from querying the database to creating or changing data in it, are performed via a REST-based API. 所有操作从查询数据库到创建或更改数据库中的数据都通过一个基于REST的API执行。
But unlike most wrapping frameworks, Rails can discover the features of the object model by querying the database table. 与大多数包装框架不同,Rails能通过查询数据库表发现对象模型的特征。
Querying a local database can be a slow process, especially if you have many rows of data or you need to start running complex queries that join multiple tables. 查询本地数据库是一个比较慢的过程,特别是,如果您有多行数据或者您需要在多个表之间运行复杂的查询语句。
By querying the database and asking for the zip codes within these exact borders, you eliminate using unneeded bandwidth, helping the server and also helping to cut back response time. 通过查询数据库,并请求这些精确边界内的邮政编码,您就可以避免使用不必要的带宽,降低服务器的负荷,且也有助于缩短响应时间。
Note that NHibernate has several features for querying a database to load business objects NHibernate在查询数据库上有好几种特性
A Knowledge-Based Approach to Fuzzy Querying over Relational Database 一种基于知识的关系数据库模糊查询方法
Design of Querying System of Heterogeneous Database Built on. NET Technology 基于.NET的异构数据库查询系统的设计
SQL statements should be used only as a last resort, if no other method of querying the database will work. SQL语句的方式应该是您选择的最后一种方式,如果上面几种方法不适合您的话。
SQL statements: You can submit SQL statements to NHibernate if the other methods of querying a database do not fit your needs. SQL语句:也可以通过原生SQL来查询数据库,如果上面几个方法不能满足你的需求的话。
The reconstruct of 3D head model was completed through displaying CT image, querying and changing database, and fitting CT slices. 通过CT影像显示、数据库查询修改、二维CT切片拟合完成参数化三维重建。
Future querying in moving objects database 移动对象数据库将来查询方法研究
Taking account of PQM data characteristics, a management pattern is suggested, which applies multi-level management of PQM master-slave files, dispatch of list querying database and combination of form-work-based dynamic reports. 考虑到PQM的数据特点,建议采用主、从数据文件多级管理,目录检索数据库调用,积木式动态报表组合的PQM数据管理模式。
The virtual vision is obtained by the method of querying graphics database. 虚拟视觉采用查询图形数据库的方法。
A general query wizard is added into the report tool, the wizard can fulfill the demand of connecting and querying from the database using ADO technology. 在报表设计器中加入了数据库查询向导,该向导利用ADO技术实现与数据库的连接以及对数据库的查询操作,并设计了友好的交互界面供用户方便的查取所需数据。
The authors make a research into recursive querying strategy of logic database from the side of rewriting rules and put forward the S-Counting strategy which could effectively detect cycle nodes, so that reduce the querying calculation. 从改写规则的角度对逻辑数据库的递归查询策略进行了研究,提出S-Counting策略,该策略能有效地判别出循环结点,减少查询过程的计算量。
On-Line Transaction Process ( OLTP) has been incapable of meeting the needs which terminal consumers have about querying and analyzing of database, and it has also not been satisfied consumers that SQL queries large database. 联机事务处理(OLTP)已不能满足终端用户对数据库查询分析的需要,SQL对大数据库进行的简单查询也不能满足用户分析的需求。
System functions include data querying data, maintaining database, printing, backuping and restoring database, users management. 系统功能包括数据查询、数据库数据维护、打印、备份和恢复、用户管理;
Querying the dynamic network database query system of this Website is very easy, convenient, well timely and has good intercommunication. 本网站所开发的农业水土工程信息数据库,数据查询操作简单,具有很好的动态交互性、及时性和便捷性。
This system has remote real-time monitoring and has sound-light alarm, handy calculating, trend forecasting, history data querying, perfect database saving and fault diagnosis ways. 该系统具有远程实时监测和声光报警功能,智能化计算模块,便捷的趋势预测分析,完备健全的数据库存储方案和历史数据查询功能,完善的故障诊断方法。
Combining with DM database development demand, we study the XML storing and querying technology in relational database. 本课题结合国产数据库管理系统的研制需要,开展了XML文档的存储与检索研究。
And this is the basis of querying database. 这也为进行数据库查询奠定了基础。
This paper analyses the Optimization of Database in Expert System based on the performance of Database, process of designing and querying of Database, and also this paper discusses the application of Database Optimization in aquiculture Expert System. 为此,从数据库性能、数据库设计、数据库查询等几个方面提出了专家系统中数据库优化的方法,并在水产专家系统开发中应用,提高了专家系统的运行效率和推理的准确性。
Thirdly, the paper discusses the connection method of the database and puts forward using the ADO of ASP. Then it sets up the users information database and querying database using the Access. And the paper realizes the connection of VRML and database by ADO. 第三,对各种数据库连接方法进行了比较研究,提出了用ASP中的ADO来连接数据库,在Access中建立了用户信息和查询数据库,并使用该方法完成了VRML与数据库的连接。
Comparing with other components, it meet performance problem especially in querying database. 尤其是在使用Web服务查询数据库时,相对于传统的构件模型,它的性能存在问题。
The applications contains computing Mountain X's coordinate and the lines of resistance, querying the database of faultage, joint and the information of mining engineering. 应用程序包括X山的平面直角坐标和高程求解、抵抗线求解、断层及节理信息查询数据库、工程资料查询数据库等。
But the difficulties in understanding natural language enable the Chinese interface of querying database slowly to achieve the practical level. 因此,研究中文自然语言查询短信的理解方法,对数据库中文查询系统的早日实用化有着十分积极的作用。
A Secure Querying Strategy of Logic Database 逻辑数据库的一种安全查询处理策略
It can be used for communication between Domino server and Internet server. In addition, sharing database, reading and sending e-mails, querying database and browsing the Web are available. 可以用它在Domino服务器和Internet服务器之间进行通信,除此之外,还可以共享数据库、读取和发送邮件、查找数据库以及浏览Web。