Which of the following is NOT a stage of data modeling?
A. Conceptual model
B. Logical model
C. Speculative model
D. Physical model
查看答案
Which of the following is describes data manipulation?
Analysis of the information needs required to support business processes
B. Processing data to support decision making
C. Reorganising or transforming data to make it easier to read or more meaningful
D. Communicating data to decision makers
Which type of data analysis involves finding new relationships or features in a data set?
A. Confirmatory data analysis
B. Predictive data analysis
C. Exploratory data analysis
D. Text data analysis
Which type of data analysis involves proving or disproving an hypothesis?
A. Text data analysis
B. Exploratory data analysis
Confirmatory data analysis
D. Predictive data analysis
26.排球比赛中，发球运动员所在的位置是( )。
A. 1号位
B. 2号位
C. 3号位
D. 4号位
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