文档介绍：计算机专业英语张起荣 U nit Three Database ? Keywords : definition 定义 architecture 体系结构 data base 数据库 database management system 数据库管理系统 conceptual 概念上的 relational database model 关系型数据库模型 DBMS 数据库管理系统 Passage One Database Overview U nit Three Database ? Keywords : security 安全 backup 备份 query 查询 entry 条目 update 升级 fetch 读取 execute 执行 Passage One Database Overview U nit Three Database ? Keywords : interpret 解释 optimizer 优化程序,优化器 transaction 事务 table 表 index 索引 referential integrity constraint 引用完整性约束 Passage One Database Overview U nit Three Database ? Keywords : Data Definition Language 数据定义语言 Data Control Language 数据控制语言 Data Manipulation Language 数据操作语言 retrieve mit 提交 rollback 回滚 recovery 恢复 data warehouse 数据仓库 Passage One Database Overview U nit Three Database ? Keywords : analytical 分析的 distributed 分布式的 hypermedia 超媒体 analogous 相似的 object-oriented data model 面向对象数据库模型 Passage One Database Overview ? Word-building : 连字符构词法两个词语通过连字符“-”连接在一起, 构成一个包含该两个词语含义的合成词。例如: object-enhanced post-relational pre-relational 等等 U nit Three Database Passage One Database Overview ? Sentences : Clearly separating the three levels was a major feature of the relational database model that dominates 21st century databases. U nit Three Database Passage One Database Overview ? Sentences : It provides mon view of the database that is plicated by details of how the data is stored or managed, and that can unify the various external views into a coherent whole. U nit Three Database Passage One Database Overview ? Sentences : A database management system (DBMS) consists of software that operates databases, providing storage, access, security, backup and other facilities. U nit Three Database Passage One Database Overview