案例分析题An Intranet is () the application of Internet technology within an internal or closed user group.Internets are company () and do not have a () connection to the Internet.Used properly an Internet is highly effective corporate tool,capable of regularly () information to empower the workforce with the information needed to perform their roles.Used in this way,Internet represent a step towards the () office. capable of regularly () information to empower the workforce with the information needed to perform their roles.
A. update
B. updated
C. updates
D. updating
设有关系模式W(C, P, S, G,T, R),其中各属性的含义是:C为课程,P为教师,S为学生,G为成绩,T为时间,R为教室,根据定义有如下的函数依赖集 F=C’G, (S,C)’G, (T,R)’C,(T,P)’R, (T,S)’RW的规范程度最高达到______。若将关系模式W分解为3个关系模式W1(C,P),W2(S,C,G),W3(S,T,R,C),则W1的规范化程度最高可达到______,W的规范化程度最高可达到______,W3的规范化程度最高可到达______。