新计算机专业英语实用教程 教学课件 梁晓晖 计算机专业英语（数据库3）.pptVIP

在线教务辅导网： 教材其余课件及动画素材请查阅在线教务辅导网 QQ:349134187 或者直接输入下面地址： 计算机专业英语 公欲成其事，必先利其器。 制作：梁晓晖 联系方式：icygirl66@126.com Unit Three Database Keywords： index 索引 view 视图 synonym 同义词 stored procedure 存储过程 trigger 触发器 maintain 维护 instance 实例 Passage Three Oracle Database Unit Three Database Keywords： state 状态 constant 常量 navigation 导航 worksheet 工作表 note 注意 schema 架构 confirm 确认 Passage Three Oracle Database Unit Three Database Keywords： prompt 提示 secure 安全 extension 扩展 default 缺省 context-sensitive 上下文智能感知 Web application development Web应用程序开发 Passage Three Oracle Database Word-building ： 动词+ment后缀=名词 develop发展，开发（动词） development 开发（名词） require需要（动词） requirement 需求（名词） manage管理（动词） management 管理（名词） Unit Three Database Passage Three Oracle Database Sentences ： Each table contains rows that represent the individual data records. The table rows are composed of columns that represent the various fields of the record. Passage Three Oracle Database Unit Three Database Sentences ： In an application where all records of the table must be distinct, a sequence can generate a serial list of unique integer numbers for a numeric column that represents the ID of each record. Passage Three Oracle Database Unit Three Database Sentences ： There are two broad families of computer languages: declarative languages that describe what should be done, and imperative languages that describe how things should be done. Passage Three Oracle Database Unit Three Database Sentences ： Passage Three Oracle Database Unit Three Database PL/SQL enables you to declare constants and variables define procedures and functions, use collections and object types, trap runtime errors, and create functions, packages, procedures and triggers that can be stored on the database for reuse by applications that are authored in any of the Oracle programmatic interfac