The development process in the software ______ involves four phases: analysis, design, implementation, and testing.
A. maintenance
B. 1ife cycle
C. programming
D. upgrading
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()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);”。
A. FOR ALL
B. PUBLIC
C. WITH CHECK OPTION
D. WITH GRANT OPTION
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
______, 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