题目内容

（）has changed the way people buy, sell, hire, and, organize business activities in more ways and more rapidly than any other technology in the history of business.

A. EDI
B. Web page
C. The Internet
D. lectronic Funds Transfers

查看答案

搜索结果不匹配？点我反馈

更多问题

若将 Workers 表的插入权限赋予用户 User1，并允许其将该权限授予他人，那么对应的SQL 语句为“GRANT（） TABLE Workers TO User1（请作答此空）；”。

A. FOR ALL
B. PUBLIC
C. WITH CHECK OPTION
D. WITH GRANT OPTION

查看答案

An（），serving a function similar to a physical wallet, holds credit card numbers, electronic cash, owner identification, and owner contact information and provides that information at an electronic com

A. electronic wallet
B. electronic commerce
C. third party payment
D. Internet banking

查看答案

______, businesses offer services for which they charge a fee that is based on the number of size of transactions they process.

A. In the fee-for-transaction revenue model
B. In the web catalog revenue model
C. In the traditional catalog-based retail revenue model
D. In the advertising-supported revenue model

查看答案

给定教师关系 Teacher（T_no， T_name, Dept name, Tel），其中属性 T_no、T_name、Dept_name 和 Tel 的含义分别为教师号、教师姓名、学院名和电话。用 SQL 创建一个“给定学院名求该学院的教师数”的函数如下:Create function Dept_count（Dept_name varchar（20））（） begain （请作答此空）

A. returns integer
B. returns d_count integer
C. declare integer
D. declare d_count integer

查看答案

（）has changed the way people buy, sell, hire, and, organize business activities in more ways and more rapidly than any other technology in the history of business.

A. EDI B. Web page C. The Internet D. lectronic Funds Transfers

若将 Workers 表的插入权限赋予用户 User1，并允许其将该权限授予他人，那么对应的SQL 语句为“GRANT（） TABLE Workers TO User1（请作答此空）；”。

An（），serving a function similar to a physical wallet, holds credit card numbers, electronic cash, owner identification, and owner contact information and provides that information at an electronic com

______, businesses offer services for which they charge a fee that is based on the number of size of transactions they process.

A. EDI
B. Web page
C. The Internet
D. lectronic Funds Transfers