Establishes a connection with the support database and provides access methods to query and update the database.
建立一个到支持数据库的连接，提供一些访问方法来查询和更新数据库。
The same applies to the result set entries when a user queries items on the Business Process Choreographer database view using one of the query API methods (see Resources).
当用户使用queryAPI方法之一在业务流程编排数据库视图中查询项时，结果集项的情况也是如此(请参阅参考资料)。
The data Access Object got several finder methods to query the database.
数据访问对象(Data Access Object)有一些搜索方法以查询数据库。
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.
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。
This paper introduces the technique about the optimization of database query, and gives implementation methods with the SQL statement from some aspects.
通过介绍有关数据库查询优化技术，从几个方面来具体阐述SQL优化查询的实现方法。
Through analyzing query methods in order to data of report in the information system, it puts forward a kind of query mode based on the database, and it is design of report.
文章分析研究了为报表提供数据的查询方法，提出了一种基于数据库应用的通用查询模式，以及应用复杂报表的设计。
In this paper, first the query technology on database is analysed, then two optimization methods are offered: the disintegration query and the best access path selection.
本文对数据库的查询技术进行分析，给出两种优化方法：分解查询和选择最优存取路径。
There are two methods of database query optimization: cost-based and response time-based query optimization, all of which can improve the efficiency of complex query.
数据库查询优化包括两方面，基于代价的查询优化和基于响应时光的查询优化，可以有效地提高庞杂查询的效力。
It inquires into methods of building database, a mode of database access and applying structured query language.
详细探讨了建立数据库的方法，访问数据库的方式，以及查询语言的应用。
It inquires into methods of building database, a mode of database access and applying structured query language.
详细探讨了建立数据库的方法，访问数据库的方式，以及查询语言的应用。
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