计算机专业英语教案--31[3页]

教材名称：《计算机专业英语》

主编：来永春

出版时间：

电子教案

statistic adj. 统计的 look through 浏览 retrieve vt. 检索，恢复 script n. 脚本 subscriber n. 订购者 integrity n. 完整性 data-manipulation 数据控制 computer-intensive 信息密集的 Step 2. Introduction of training target 1 In this part, our target is to improve the speed of reading professional articles and the comprehension ability of the reader. 2.We have marked specialized vocabulary key words in some paragraphs so that the reader can quickly grasp the main idea of the sentences and paragraphs. Step 3. Leading in a short introduction to Foundation of Database System Database Systems are now used in various aspects of society, such as government apparatus, universities, airlines, banking, telecommunication and manufacturing. Step 4. Analyzing the structure of the complex sentences 1. In the management of economy, database can process statistic data, analyze and obtain a result so as to guide the enterprises to develop rapidly. 2. A DBMS can also format reports for printed output and can import and export data from other application using standard file formats. 3. Database model is the method used by a database management system (DBMS) to organize the structure of the database. Step 5. Memorizing and mastering the following key sentences in the text. 1. In government apparatus, database can be used to know information resources of human affairs and carders in various aspects as well.

2. In banking, database can be used for customer information, accounts, loans, and banking transactions.

3. In airlines, database can be used for reservations and schedule information.

4. In universities, database can be used for student information, course registrations and grades.

5. Data is a collection of facts made up of numbers, characters and symbols, stored on a computer in such a way that the computer can process it.

6. Data is different from information in that they are formed of facts stored in machine-readable form.

7. Database is a collection of related objects, including tables, forms, reports,

queries, and scripts, created and organized by a database management system (DBMS).

8. Database management system: Database management system is a software that controls the data in a database.

9. The most common database model is the relational database.

` 10. A front-end running on the user’s workstation and back-end running

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