ssd7数据库选择题答案

时间:2013-11-21 10:55:45
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文件名称:ssd7数据库选择题答案

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更新时间:2013-11-21 10:55:45

ssd7数据库

icarnegieSSD7数据库课程选择题 1. An E-Commerce database contains data about customers, products, orders, system response times, etc. Which of the following can be specified as integrity constraints in an E-Commerce database system? No two products can have the same product ID. The DBMS response time for all Web requests should be at most 2 seconds. A customer order cannot have more than one shipping address.


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