He has five years of technical experience in java and server - side programming on multiple platforms and has worked with relational database systems , including db2 udb and oracle 他在多平台java和服务器端编程方面有5年的技术经验,曾使用过各种关系数据库系统,其中包括db2 udb和oracle 。
With the rapid development of computer technology and the constant enlargement of the application domain , the dbms ( database management system ) grew continually 随着计算机技术的飞速发展和应用领域的拓展,以db2 、 oracle 、 sybase 、 sqlserver等为代表的大型关系数据库系统( dbms )不断推出新版本。
With the development of the object - oriented technology , ordbms which based on the relational model , has been one of the most ubiquitous and promising research and application fields in recent years 而在近几年内基于成熟的关系模型上的对象-关系数据库系统( ordbms )正在成为一个被广泛接受且非常具有前景的研究以及应用的领域。
But as the development of enterprise informationization , extension of application , and promotion of resources including software and hardware , the heterogeneous problems of relational database systems emerge more and more seriously 但随着企业信息化建设的不断深入、软硬件资源的升级和各种应用的扩展,造成了多种关系数据库系统并存的异构问题。
The data model of traditional dbms can not efficiently present multimedia data because of the characteristics of multimedia data . though successful in the commerce market , the dbms is not suitable to process multimedia data 由于多媒体数据本身的特性,使得传统数据库的数据模型不适合描述多媒体数据,这使得在商务市场上成功的关系数据库系统不适合处理多媒体数据。
With the development of the object - oriented technology , ordbms ( object - oriented database system ) , which based on the relational model , has been one of the most ubiquitous and promising research and application fields in the recent years 随着面向对象技术的发展,在近几年内基于成熟的关系模型上的对象-关系数据库系统( ordbms )被广泛接受且非常具有前景的研究以及应用的领域。
The design of database is based on the theory of relational database system . the ways of maintaining integrality of database and using transaction in multiple table access to guarantee the consistency and recoverability of database are discussed in the thesis 以关系数据库系统理论为基础进行了数据库设计,并讨论了保证数据完整性、在多数据表操作中应用事务处理等问题。
Based on the strategy , the accessing functions for all entity types for relational databases are developed . used by the functions , the software can handle the persistency of product data in relational databases . examples show the validity of the research 基于这种访问策略,开发了各种类型实体的关系数据库访问接口函数,实现了利用这些访问接口函数对关系数据库系统中的产品数据进行添加、删除、修改和查询等操作。
Like many relational database systems that use indexes for quickly retrieving information , workplace web content management uses a proprietary set of indexes to retrieve the corresponding information regarding the relationships between the framework , templates , and authorizations 如同许多使用索引进行快速检索信息的关系数据库系统一样, workplace web content management使用一组专用的索引检索关于框架、模板和授权之间关系的相应信息。
Finally , how to manage this active fuzzy database is discussed . two structures , arrangement structure and module structure , of this database management system are given . and several kinds of channels of actualizing active fuzzy relation database system are discussed 最后,本论文讨论了如何对主动模糊数据库进行管理,并给出了此数据库管理系统的两种结构? ?层次结构和模块结构,探讨了主动模糊关系数据库系统的几种实现途径和技术选择。